Year 2022

1. Lorentz-Boost-Driven Magneto-Optics in a Dirac Nodal-LineSemimetal, 2022, Jan Wyzula, Xin Lu, David Santos-Cottin, Dibya Kanti Mukherjee, Ivan Mohelský, Florian Le Mardelé, Jiří Novák, Mario Novak, Raman Sankar, Yuriy Krupko, Benjamin A. Piot, Wei-Li Lee, Ana Akrap, Marek Potemski, Mark O. Goerbig, Milan Orlita*, Adv. Sci., 2105720.
2. Identification and Manipulation of Defects in Black Phosphorus, 2022, Rishav Harsh, Sourav Mondal, Devina Sharma, Mehdi Bouatou, Cyril Chacon, Maxim Ilyn, Celia Rogero, Vincent Repain, Amandine Bellec, Yann Girard, Sylvie Rousset, Raman Sankar, Woei Wu Pai, Shobhana Narasimhan, Jérôme Lagoute*, J. Phys. Chem. Lett., 13, 27, 6276-6282.
3. Tunable Ferroelectricity in Van der Waals Layered Antiferroelectric CuCrP2S6, 2022, Kwanghee Cho, Seungyeol Lee, Raju Kalaivanan, Raman Sankar, Kwang‐Yong Choi*, Soonyong Park*, Adv. Funct. Mater., 2204214.
4. Atomic-scale observation of spontaneous hole doping and concomitant lattice instabilities in strained nickelate films, 2022, IC Lin, MH Lee, PC Wu, SC Lin, JW Chen, CC Li, GY Guo, YH Chu*, Raman Sankar*, MW Chu*, New J. Phys., 24, 023011.
5. Spin dynamics of the one-dimensional double chain spin-1/2 antiferromagnet KNaCuP2O7, 2022, Ganesan Senthil Murugan*, Suheon Lee*, C Wang, H Luetkens, Kwang-Yong Choi, Raman Sankar, Phys. Rev. B, 105, 174442.
6. Improved Oxygen Redox Activity by High-Valent Fe and Co3+ Sites in the Perovskite LaNi1–xFe0.5xCo0.5xO3, 2022, Anjaiah Sheelam, Sakthipriya Balu, Adil Muneeb, Khasim Saheb Bayikadi, Dhenadhayalan Namasivayam, Erakulan E. Siddharthan, Arif I. Inamdar, Ranjit Thapa, Ming-Hsi Chiang, Song-Jeng Isaac Huang, and Raman Sankar*, ACS Appl. Energy Mater.,5, 1, 343-354.
7. Segmented Highly Reversible Thermochromic Layered Perovskite [(CH2)2(NH3)2] CuCl4 Crystal Coupled with an Inverse Magnetocaloric Effect, 2022, Somrita Dutta, Deepak Vishnu S. K, Sudipta Som, Rajneesh Chaurasiya, Dinesh Kumar Patel, Kalimuthu Moovendaran, Cheng-Chieh Lin, Chun-Wei Chen, Raman Sankar*, ACS Appl. Electron. Mater., 4, 1, 521-530.
8. Direct investigation of the reorientational dynamics of A-site cations in 2D organic-inorganic hybrid perovskite by solid-state NMR, 2022, Cheng-Chieh Lin, Shing-Jong Huang, Pei-Hao Wu, Tzu-Pei Chen, Chih-Ying Huang, Ying-Chiao Wang, Po-Tuan Chen, Denitsa Radeva, Ognyan Petrov, Vladimir M Gelev, Raman Sankar, Chia-Chun Chen, Chun-Wei Chen, Tsyr-Yan Yu, Nat. Commun.,13, 1, 1-10.
9. Regimented Charge Transport Phenomena in Semiconductive Self-Assembled Rhenium Nanotubes, 2022, Arif I Inamdar, Batjargal Sainbileg, Chi-Jia Lin, Muhammad Usman, Saqib Kamal, Kuan-Ru Chiou, Abhishek Pathak, Tzuoo-Tsair Luo, Khasim Saheb Bayikadi, Raman Sankar, Jenq-Wei Chen, Tien-Wen Tseng, Ruei-San Chen, Michitoshi Hayashi, Ming-Hsi Chiang, Kuang-Lieh Lu, ACS APPL MATER INTER, 14,12423-12433.
10. Phase Modulation of Self-Gating in Ionic Liquid-Functionalized InSe Field-Effect Transistors, 2022, Chih-Yi Cheng, Wei-Liang Pai, Yi-Hsun Chen, Naomi Tabudlong Paylaga, Pin-Yun Wu, Chun-Wei Chen, Chi-Te Liang, Fang-Cheng Chou, Raman Sankar, Michael S Fuhrer, Shao-Yu Chen, Wei-Hua Wang, Nano Letters, 22, 2270-2276.
11. Energy Barrier at Indium/Indium Selenide Nanosheet Interfaces: Implications of Metal-to-Insulator Transition for Field-Effect Transistor Modeling, 2022, Yi-Ying Lu, Yan-Ting Huang, Jia-Ni Chen, Jie Jhou, Liang-Wei Lan, Chien-Cheng Kuo, Jui-Hung Hsu, Shang-Hsien Hsieh, Chia-Hao Chen, Raman Sankar, ACS Appl. Nano Mater., 5, 1911-1916.
12. Scanning tunneling microscopy and spectroscopy of NiTe2, 2022, Brandon T Blue, Stephanie D Lough, Duy Le, Jesse E Thompson, Talat S Rahman, Raman Sankar, Masahiro Ishigami, Surf. Sci.,722, 122099.
13. Observation of a smoothly tunable Dirac point in Ge(BixSb1-x)2Te4, 2022, Sean Howard, Arjun Raghavan, Davide Iaia, Caizhi Xu, David Flötotto, Man-Hong Wong, Sung-Kwan Mo, Bahadur Singh, Raman Sankar, Hsin Lin, Tai-Chang Chiang, Vidya Madhavan, Phys. Rev. Materials, 6, 044201.
14. Wohlleben Effect and Emergent π junctions in superconducting Boron doped Diamond thin films, 2022, L Govindaraj, S Arumugam, R Thiyagarajan, Dinesh Kumar, M Kannan, Dhruba Das, TS Suraj, V Sankaranarayanan, Kanikrishnan Sethupathi, G Baskaran, Raman Sankar, MS Ramachandra Rao, Physica C, 1354065.
15. Effect of aliovalent substituted highly disordered GeTe compound's thermoelectric performance, 2022, Khasim Saheb Bayikadi, Safdar Imam, Mohammad Ubaid, Anver Aziz, Kuei-Hsien Chen, Raman Sankar*, J. Alloy. Compd., 922, 166221.

Year 2021

1. Magnetic Properties of Honeycomb Spin Lattice Compounds Na2M2TeO6 (M= Co, Ni) and Spin Dimer Compound Na2Cu2TeO6 Single Crystals by Flux-Growth
   Tahir Murtaza, Raju Kalaivanan, G Madeswaran, Khasimsaheb Bayikadi, Raman Sankar*, J. Mater. Res. Technol., 14,1601-1608 (2021). (MOST-108-2112-M-001 -049 -MY2)
2. Two-Dimensional Layered NiLiP2S6 Crystals as an Efficient Bifunctional Electrocatalyst for Overall Water Splitting
   Song-Jeng Huang, Adil Muneeb, Palani Sabhapathy, Khasim Saheb Bayikadi, Tahir Murtaza, Kalaivanan Raju, Li-Chyong Chen, Kuei-Hsien Chen, Raman Sankar*, Catalysts, 11, 7, 786 (2021). (MOST-108-2112-M-001 -049 -MY2)
3. Multistage development of anisotropic magnetic correlations in the Co-based honeycomb lattice Na2Co2TeO6
   CH Lee, S Lee, YS Choi, ZH Jang, R Kalaivanan, Raman Sankar*, K-Y Choi, Physical Review B, 103, 21, 214447 (2021). (MOST-108-2112-M-001 -049 -MY2)
4. Large magnetoresistance and quantum oscillations in Sn0.05Pb0.95Te
   Keshav Shrestha, Duncan Miertschin, Raman Sankar, Bernd Lorenz, Ching W Chu, J. Phys. Condens. Matter, 33, 33, 335501 (2021).>
5. Switching of the electron-phonon interaction in 1T−VSe2assisted by hot carriers
   Paulina Majchrzak, Sahar Pakdel, Deepnarayan Biswas, Alfred JH Jones, Klara Volckaert, Igor Marković, Federico Andreatta, Raman Sankar, Chris Jozwiak, Eli Rotenberg, Aaron Bostwick, Charlotte E Sanders, Yu Zhang, Gabriel Karras, Richard T Chapman, Adam Wyatt, Emma Springate, Jill A Miwa, Philip Hofmann, Phil DC King, Nicola Lanatà, Young Jun Chang, Søren Ulstrup, Physical Review B, 103, 24, L241108 (2021). (MOST-108-2112-M-001 -049 -MY2)
6. Robust topological state against magnetic impurities observed in the superconductor PbTaSe2
   Daniel Multer, Jia-Xin Yin, Songtian S. Zhang, Hao Zheng, Tay-Rong Chang, Guang Bian, Raman Sankar, and M. Zahid Hasan, Phys. Rev. B, 104, 075145 (2021).
7. Pressure-Induced Excitations in the Out-of-Plane Optical Response of the Nodal-Line Semimetal ZrSiS
   Jihaan Ebad-Allah, Serto Rojewski, Marcel Vöst, Georg Eickerling, Wolfgang Scherer, E Uykur, Raman Sankar, L Varrassi, C Franchini, K-H Ahn, J Kuneš, CA Kuntscher, Phys. Rev. Lett., 127, 076402 (2021). (MOST-108-2112-M-001 -049 -MY2)
8. Anisotropic transport in a possible quasi-one-dimensional topological candidate: TaNi2Te3
   Yi Liu, Chun-Qiang Xu, Wen-He Jiao, Ping-Gen Cai, Bin Li, Wei Zhou, Bin Qian, Xue-Fan Jiang, Raman Sankar, Xiang-Lin Ke, Guang-Han Cao, Xiao-Feng Xu, Tungsten, 1-7 (2021).
9. Dirac Nodal Line and Rashba Spin-split Surface States in Nonsymmorphic ZrGeTe
   Yun Yen, Cheng-Li Chiu, Ping-Hui Lin, Raman Sankar, Tien-Ming Chuang, Guang-Yu Guo, New J. Phys.,23 103019 (2021).
10. Chemical tuning of magnetic anisotropy and correlations in Ni1−xFexPS3
    Seungyeol Lee, Jaena Park, Youngsu Choi, Kalaivanan Raju, Wei-Tin Chen, Raman Sankar*and Kwang-Yong Choi, Physical Review B, 104, 174412 (2021). (MOST-110-2112-M-001-065-MY3)
11. Commensurate and incommensurate magnetic structure of the moderately frustrated antiferromagnet Li2M(WO4)2 with M = Co, Ni
    Sunil K Karna, CW Wang, Raman Sankar, D Temple, M Avdeev, Physical Review B, 104, 13, 134435 (2021). (MOST-110-2112-M-001-065-MY3)
12. Achieving synergistic performance through highly compacted microcrystalline rods induced in Mo doped GeTe based compounds
    Safdar Imam, Khasim Saheb Bayikadi, Mohammad Ubaid, VK Ranganayakulu, Sumangala Devi, Bhalchandra S Pujari, Yang-Yuan Chen, Li-Chyong Chen, Kuei-Hsien Chen, Feng-Li Lin, Raman Sankar*, Materials Today Physics, 100571 (2021). (MOST-110-2112-M-001-065-MY3)
13. Magnetic spin order in the honeycomb structured Pb6Co9(TeO6)5 compound
    I. Panneer Muthuselvam, K. Saranya, Deepa Kasinathan, R. N. Bhowmik, Raman Sankar, Namasivayam Dhenadhayalan, G. J. Shu, Wei-tin Chen , L. Kavitha and King-Chuen Lin, Physical Review B, 104, 174442 (2021). (MOST-108-2112-M-001 -049 -MY2)
14. Silicon-based two-dimensional chalcogenide of p-type semiconducting silicon telluride nanosheets for ultrahigh sensitive photodetector applications
    Chang-Yu Lin, Rajesh Kumar Ulaganathan, Raman Sankar*, Raghavan Chinnambedu Murugesan, Ambika Subramanian, Alex Rozhin, Shaik Firdoz, J. Mater. Chem. C, 9, 10478 (2021).
15. A Bi-Anti-Ambipolar Field Effect Transistor
    Christy Roshini Paul Inbaraj, Roshan Jesus Mathew, Rajesh Kumar Ulaganathan, Raman Sankar, Monika Kataria, Hsia Yu Lin, Yit-Tsong Chen, Mario Hofmann, Chih-Hao Lee, Yang-Fang Chen, ACS Nano, 15, 8686-8693 (2021). (MOST-108-2112-M-001-049 -MY2)
16. Magnetic Properties of Honeycomb Spin Lattice Compounds Na2M2TeO6 (M= Co, Ni) and Spin Dimer Compound Na2Cu2TeO6 Single Crystals by Flux-Growth
    Tahir Murtaza, Raju Kalaivanan, G Madeswaran, Khasimsaheb Bayikadi, Raman Sankar*, J. Mater. Res. Technol., 14,1601-1608 (2021). (MOST-108-2112-M-001 -049 -MY2)
17. Evidence for largest room temperature magnetic signal from Co2+ in antiphase-free & fully inverted CoFe2O4 in multiferroic-ferrimagnetic BiFeO3-CoFe2O4 nanopillar thin films.
    Xiao Wang, Zhiwei Hu, Stefano Agrestini, Javier Herrero-Martín, Manuel Valvidares, Raman Sankar, Fang-Cheng Chou, Ying-Hao Chu, Arata Tanaka, Liu Hao Tjeng, Eric Pellegrin, Journal of Magnetism and Magnetic Materials Volume 530, 167940 (2021).
18. The effect of Mg content and milling time on the solid solubility and microstructure of Ti–Mg alloys processed by mechanical milling.
    Song Jeng Huang, Adil Muneeb, Aqeel Abbas, Raman Sankar, Journal of Materials Research and Technology, Volume 11, 1424-1433 (2021).
19. Direct Investigation of the Reorientational Dynamics of A-site Cations in 2D Organic-Inorganic Hybrid Perovskite by Solid-State NMR.
    Cheng-Chieh Lin, Shing-Jong Huang, Pei-Hao Wu, Tzu-Pei Chen, Chih-Ying Huang, Ying-Chiao Wang, Po-Tuan Chen, Vladimir Gelev, Raman Sankar, Chun-Wei Chen, Tsyr-Yan Yu, doi.org/10.21203/rs.3.rs-183259/v1.
20. High magnetic anisotropy and magnon excitations in single crystals of the double spin chain compound PbMn2Ni6Te3O18.
    I Panneer Muthuselvam, K Saranya, Florian Büscher, Dirk Wulferding, Peter Lemmens, Wei-tin Chen, R Sankar, Phys. Rev. B 103, 064401.
21. Magnet.ic and structural dimer networks in layered K2Ni(MoO4)2.
    G Senthil Murugan, K Ramesh Babu, Raman Sankar, WT Chen, I Panneer Muthuselvam, Sumanta Chattopadhyay, K-Y Choi, Phys. Rev. B 103, 024451.
22. Magnetotransport in hybrid InSe/monolayer graphene on SiC.
    Chih-Yuan Wang, Yun-Wu Lin, Chiashain Chuang, Cheng-Hsueh Yang, Dinesh K Patel, Sheng-Zong Chen, Ching-Chen Yeh, Wei-Chen Chen, Chia-Chun Lin, Yi-Hsun Chen, Wei-Hua Wang, Raman Sankar, Fang-Cheng Chou, Mattias Kruskopf, Randolph E Elmquist, Chi-Te Liang, Nanotechnology, Volume 32, Number 15.
23. Internal and External Pressure Effects on Superconductivity in FeTexSe1-x (x= 0.46, 0.54) Single Crystals.
    Govindaraj Lingannan, Kalaiselvan Ganesan, Sathiskumar Mariappan, Raman Sankar, Y Uwatoko, S Arumugam, J Supercond Nov Magn (2021).
24. Revealing the Quasi-Periodic Crystallographic Structure of Self-Assembled SnTiS3 Misfit Compound.
    Nitul S Rajput, Hionsuck Baik, Jin-You Lu, Srinivasa Reddy Tamalampudi, Raman Sankar, Amal Al Ghaferi, Matteo Chiesa, J. Phys. Chem. C 2021,  10.1021/acs.jpcc.0c10756.
25. Engineering an Indium Selenide van der Waals Interface for Multilevel Charge Storage.
    Yi-Ying Lu, Yu-Ting Peng, Yan-Ting Huang, Jia-Ni Chen, Jie Jhou, Liang-Wei Lan, Shi-Hao Jian, Chien-Cheng Kuo, Shang-Hsien Hsieh, Chia-Hao Chen, Raman Sankar, Fang-Cheng Chou, ACS Appl. Mater. Interfaces 2021, 13, 3, 4618–4625.
26. Water-assisted spin-flop antiferromagnetic behaviour of hydrophobic Cu-based metal–organic frameworks.
    Arif I Inamdar, Batjargal Sainbileg, Saqib Kamal, Khasim Saheb Bayikadi, Raman Sankar, Tzuoo Tsair Luo, Michitoshi Hayashi, Ming-Hsi Chiang, Kuang-Lieh Lu, Dalton Trans., 2021, 50, 5754-5758.
27. Tailoring the Co4+/Co3+ active sites in a single perovskite as a bifunctional catalyst for the oxygen electrode reactions.
    Song-Jeng Huang, Adil Muneeb, Palani Sabhapathy, Anji Sheelam, Khasim Saheb Bayikadi, Raman Sankar*, RSC Dalton Transactions 10.1039/d0dt04333h.
28. Assessing the stability of Cd 3 As 2 Dirac semimetal in humid environments: the influence of defects, steps and surface oxidation.
    Yanxue Zhang, Silvia Nappini, Raman Sankar, Federica Bondino, Junfeng Gao, Antonio Politano,  J. Mater. Chem. C, 2021, 9, 1235-1244.
29. Staggered band offset induced high performance opto-electronic devices: Atomically thin vertically stacked GaSe-SnS2 van der Waals pn heterostructures.
    Packiyaraj Perumal, Rajesh Kumar Ulaganathan, Raman Sankar, Ling Zhu, Applied Surface Science, Volume 535, 1 January 2021, 147480.

Year 2020

1. Repurposing INCI-registered compounds as skin prebiotics for probiotic Staphylococcus epidermidis against UV-B.
   Arun Balasubramaniam, Prakoso Adi, Sunita Keshari, Raman Sankar, Chien-Lung Chen, Chun-Ming Huang, Scientific Reports volume 10, 21585 (2020).
2. Thin film LiV3O8 nanorod formation through Pulsed Laser Deposition and the effect of heat treatment.
   Rojin Varghese, V Shobin Vijay, S Rajesh, A Sakunthala, P Senthil Kumar, Raman Sankar, Vacuum, Volume 182, December 2020, 109722.
3. Multilayer GaSe/InSe Heterointerface-Based Devices for Charge Transport and Optoelectronics.
   Yi-Ying Lu, Chuan-Ruei Guo, Hui-Lin Yeh, He-Wen Chen, Chien-Cheng Kuo, Jui-Hung Hsu, Jie Jhou, Yan-Ting Huang, Shang-Hsien Hsieh, Chia-Hao Chen, Ching-Hwa Ho, Raman Sankar, Fang-Cheng Chou, ACS Appl. Nano Mater. 2020, 3, 12, 11769–11776.
4. Hot carrier-assisted switching of the electron-phonon interaction in 1T-VSe2.
   Paulina Majchrzak, Sahar Pakdel, Deepnarayan Biswas, Alfred JH Jones, Klara Volckaert, Igor Marković, Federico Andreatta, Raman Sankar, Chris Jozwiak, Eli Rotenberg, Aaron Bostwick, Charlotte E Sanders, Yu Zhang, Gabriel Karras, Richard T Chapman, Adam Wyatt, Emma Springate, Jill A Miwa, Philip Hofmann, Phil DC King, Nicola Lanata, Young Jun Chang, Søren Ulstrup, arXiv preprint arXiv:2011.06358.
5. Experimental study of multiple magnetic transitions in micrometer and nano-grain sized Ni3TeO6-type oxide.
   I Panneer Muthuselvam, K Saranya, R Sankar, RN Bhowmik, L Kavitha, Journal of Applied Physics 128 (12), 123902.
6. Anisotropic Transport and Quantum Oscillations in the Quasi-One-Dimensional TaNiTe5: Evidence for the Nontrivial Band Topology.
   Chunqiang Xu, Yi Liu, Pinggen Cai, Bin Li, Wen-He Jiao, Yunlong Li, Junyi Zhang, Wei Zhou, Bin Qian, Xuefan Jiang, Zhixiang Shi, Raman Sankar, Jinglei Zhang, Feng Yang, Zengwei Zhu, Pabitra Biswas, Dong Qian, Xianglin Ke, Xiaofeng Xu, J. Phys. Chem. Lett. 2020, 11, 7782−7789.
7. Anisotropic Magnetic Properties of Nonsymmorphic Semimetallic Single Crystal NdSbTe.
   Raman Sankar*, I Panneer Muthuselvam, Karthik Rajagopal, K Ramesh Babu, G Senthil Murugan, Khasim Saheb Bayikadi, K Moovendaran, Chien Ting Wu, Guang-Yu Guo, Cryst. Growth Des. 2020, 20,6585-6591.  
8. Fully gapped superconductivity without sign reversal in the topological superconductor PbTaSe2.
   Yue Sun, Shunichiro Kittaka, Toshiro Sakakibara, Kazushige Machida, R. Sankar, Xiaofeng Xu, Nan Zhou, Xiangzhuo Xing, Zhixiang Shi, Sunseng Pyon, and Tsuyoshi Tamegai Phys. Rev. B (2020)102, 024517. 
9. Superposition of semiconductor and semi-metal properties of self-assembled 2D SnTiS3 heterostructures.
   Srinivasa Reddy Tamalampudi, Jin-You Lu, Nitul Rajput, Chia-Yun Lai, Boulos Alfakes, Raman Sankar, Harry Apostoleris, Shashikant P Patole, Ibraheem Almansouri, Matteo Chiesa, npj 2D Materials and Applications 4(1), (2020) 18.
10. Carbon-supported cobalt (III) complex for direct reduction of oxygen in alkaline medium.
    Anjaiah Sheelam, Raman Sankar*, International Journal of Hydrogen Energy, 45 (2020), 24738-24748.
11. Highly improved thermoelectric performance of BiCuTeO achieved by decreasing the oxygen content.
    Hui-Ching Chang, Ting-Hsuan Chen, Raman Sankar, Ying-Jay Yang, Li-Chyong Chen, Kuei-Hsien Chen, Materials Today Physics 15 (2020) 1002482.
12. Nickel-based Hybrid Material for Electrochemical Oxygen Redox Reactions in Alkaline Medium.
    Prabu Mani, Anjaiah Sheelam, Pitchiah E Karthik, Raman Sankar, Kothandaraman Ramanujam, Sukhendu Mandal, ACS Appl. Energy Mater. 2020, 3, 7, 6408–6415.
13. Flexible and free-standing polyvinyl alcohol-reduced graphene oxide-Cu2 O/CuO thin films for electrochemical reduction of carbon dioxide.
    Anjaiah Sheelam, Adil Muneeb, Biva Talukdar, Rini Ravindranath, Song-Jeng Huang, Chun-Hong Kuo, Raman Sankar*, Journal of Applied Electrochemistry 50 (9), (2020) 979-991.
14. Magnetic and orbital correlations in multiferroic CaMn7O12  probed by x-ray resonant elastic scattering.
    K Gautam, SS Majid, S Francoual, A Ahad, K Dey, MC Rahn, R Sankar, FC Chou, DK Shukla, Phys. Rev. B 101, (2020) 224430.
15. Femtosecond time-evolution of mid-infrared spectral line shapes of Dirac fermions in topological insulators.
    Tien-Tien Yeh, Chien-Ming Tu, Wen-Hao Lin, Cheng-Maw Cheng, Wen-Yen Tzeng, Chen-Yu Chang, Hideto Shirai, Takao Fuji, Raman Sankar, Fang-Cheng Chou, Marin M Gospodinov, Takayoshi Kobayashi, Chih-Wei Luo, Scientific Reports volume 10, (2020) 9803.
16. Synergistic optimization of thermoelectric performance in earth-abundant Cu2ZnSnS4 by inclusion of graphene nanosheets.
    Sarita Sharma, Khasimsaheb Bayikadi, Raman Sankar, Sonnathi Neeleshwar, doi.org/10.1088/1361-6528/ab9393, IOP Nanotechlogy, May 2020.
17. Modulating charge separation with h-BN mediation in vertical van der Waals heterostructures.
    Christy Roshini Paul Inbaraj, Roshan Jesus Mathew, Rajesh Kumar Ulaganathan, Raman Sankar, Monika Kataria, Hsia Yu Lin, Hao-Yu Cheng, Kung-Hsuan Lin, Hung-I Lin, Yu-Ming Liao, Fang-Cheng Chou, Yit-Tsong Chen, Chih-Hao Lee, Yang-Fang Chen, ACS Appl. Mater. Interfaces 2020, 12, 26213−26221.
18. Evidence for nematic superconductivity of topological surface states in PbTaSe2.
    Tian Le, Yue Sun, Hui-Ke Jin, Liqiang Che, Lichang Yin, Guiming Pang, Chunqiang Xu, Lingxiao Zhao, Shunichiro Kittaka, Toshiro Sakakibara, Kazushige Machida, Raman Sankar, Huiqiu Yuan, Genfu Chen, Xiaofeng Xu, Shiyan Li, Yi Zhou, Xin Lu, Science Bulletin 65 (16), 1349-1355.
19. Electron-Electron Interactions in 2D Semiconductor InSe.
    Shankar Kumar Arvind; Premasiri Kasun; Gao Min; Kumar U. Rajesh; Sankar Raman; Chou Fang-Cheng; Gao Xuan P. A. Phys. Rev. B  102 (12), 121301.
20. Ultralow Schottky Barriers in Hexagonal Boron Nitride-Encapsulated Monolayer WSe2 Tunnel Field-Effect Transistors.
    Gaurav Pande, Jyun-Yan Siao, Wei-Liang Chen, Chien-Ju Lee, Raman Sankar, Yu-Ming Chang, Chii-Dong Chen, Wen-Hao Chang, Fang-Cheng Chou and Minn-Tsong Lin, ACS Appl. Mater. Interfaces 2020, 12, 16, 18667–18673.
21. Field-free platform for Majorana-like zero mode in superconductors with a topological surface state.
    Songtian S. Zhang, Jia-Xin Yin, Guangyang Dai, Lingxiao Zhao, Tay-Rong Chang, Nana Shumiya, Kun Jiang, Hao Zheng, Guang Bian, Daniel Multer, Maksim Litskevich, Guoqing Chang, Ilya Belopolski, Tyler A. Cochran, Xianxin Wu, Desheng Wu, Jianlin Luo, Genfu Chen, Hsin Lin, Fang-Cheng Chou, Xiancheng Wang, Changqing Jin, Raman Sankar, Ziqiang Wang, and M. Zahid Hasan, Phys. Rev. B 101, 100507(R).
22. Selenium nanoparticle prepared by femtosecond laser-induced plasma shock wave.
    Wen-Yen Tzeng, Ya-Hsin Tseng, Tien-Tien Yeh, Chien-Ming Tu, Raman Sankar, Yu-Han Chen, Bang-Hao Huang, Fang-Cheng Chou, Chih-Wei Luo, Vol. 28, No. 1, 6 January 2020, Optics Express.
23. Synergistic optimization of thermoelectric performance of Sb doped GeTe with a strained domain and domain boundaries.
    Khasim Saheb Bayikadi, Chien Ting Wu, Li-Chyong Chen, Kuei-Hsien Chen, Fang-Cheng Chou and Raman Sankar. J. Mater. Chem. A, 2020, 8, 5332-5341.
24. Electrosynthesis of carbon aerogel-modified AuNPs@ quercetin via an environmentally benign method for hydrazine (HZ) and hydroxylamine (HA) detection.
    Chellakannu Rajkumar, Raja Nehru, Shen-Ming Chen, Haekyoung Kim, S. Arumugame and Raman Sankar. New J. Chem., 2020, 44, 586.

Year 2019

1. Oxidized-monolayer tunneling barrier for strong Fermi-level depinning in layered InSe transistors.
   Yi-Hsun Chen, Chih-Yi Cheng, Shao-Yu Chen, Jan Sebastian Dominic Rodriguez, Han-Ting Liao, Kenji Watanabe, Takashi Taniguchi, Chun-Wei Chen, Raman Sankar, Fang-Cheng Chou, Hsiang-Chih Chiu & Wei-Hua Wang. npj 2D Materials and Applications volume 3, Article number: 49 (2019). 
2. High‐Performance Flexible Broadband Photodetectors Based on 2D Hafnium Selenosulfide Nanosheets.
   Rajesh Kumar Ulaganathan, Raman Sankar, Chang‐Yu Lin, Raghavan Chinnambedu Murugesan, Kechao Tang, Fang‐Cheng Chou. Adv. Electron. Mater. (2019) 1900794.
3. Two-gap superconductivity and topological surface states in TaOsSi.
   C. Q. Xu, B. Li, J. J. Feng, W. H. Jiao, Y. K. Li, S. W. Liu, Y. X. Zhou, R. Sankar, Nikolai D. Zhigadlo, H. B. Wang, Z. D. Han, B. Qian, W. Ye, W. Zhou, T. Shiroka, Pabitra K. Biswas, Xiaofeng Xu, and Z. X. Shi. Phys. Rev. B 100 (2019) 134503.
4. Possible manifestations of the chiral anomaly and evidence for a magnetic field induced topological phase transition in the type-I Weyl semimetal TaAs.
   QR Zhang, B Zeng, YC Chiu, R Schönemann, S Memaran, W Zheng, D Rhodes, K-W Chen, T Besara, R Sankar, F Chou, GT McCandless, JY Chan, N Alidoust, S-Y Xu, I Belopolski, MZ Hasan, FF Balakirev, L Balicas. Phys. Rev. B 100 (2019) 115138.
5. Crystal growth and magnetic properties of topological nodal-line semimetal GdSbTe with Antiferromagnetic spin ordering.
   Raman Sankar, I Panneer Muthuselvam, K Ramesh Babu, G Senthil Murugan, Karthik Rajagopal, Rakesh Kumar, Tsung-Chi Wu, Cheng-Yen Wen, Wei-Li Lee, Guang-Yu Guo, Fang-Cheng Chou. Inorg. Chem. 58 (2019) 11730-11737.
6. Heavy Mediator at Quantum Dot/Graphene Heterojunction for Efficient Charge Carrier Transfer: Alternative Approach for High-Performance Optoelectronic Devices.
   Rapti Ghosh, Kanchan Yadav, Monika Kataria, Hung-I Lin, Christy Roshini Paul Inbaraj, Yu-Ming Liao, Yen Nguyen, Cheng-Hsin Lu, Mario Hofmann, Raman Sankar, Wei-Heng Shih, Ya-Ping Hsieh, Yang-Fang Chen. ACS Appl. Mater. Interfaces 11 (2019) 26518-26527.
7. Sn-Doping Enhanced Ultrahigh Mobility In1-xSnxSe Phototransistor.
   CR Inbaraj Paul, Vijay Kumar Gudelli, Roshan Jesus Mathew, Rajesh Kumar Ulaganathan, Raman Sankar, Hsia Yu Lin, Hung-I Lin, Yu-Ming Liao, Hao-Yu Cheng, Kung-Hsuan Lin, Fang Cheng Chou, Yit-Tsong Chen, Chih-Hao Lee, Guang-Yu Guo, Yang-Fang Chen. ACS Appl. Mater. Interfaces 11 (2019) 24269-24278.  
8. A chitosan grafted mesoporous carbon aerogel for ultra-sensitive voltammetric determination of isoniazid..
   Chellakannu Rajkumar, Raja Nehru, Shen-Ming Chen, S Arumugam, Raman Sankar. Microchim Acta 186 (2019) 419.
9. Thickness-Dependent Resonant Raman and E' Photoluminescence Spectra of Indium Selenide and Indium Selenide/Graphene Heterostructures..
   Srinivasa Reddy Tamalampudi, Raman Sankar, Harry Apostoleris, Mariam Ali AlMahri, Boulos Alfakes, Abdulrahman Al-Hagri, Ru Li, Adel Gougam, Ibraheem Almansouri, Matteo Chiesa, Jinyou Lu. J. Phys. Chem. C 123 (2019) 15345-15353.
10. Surface Instability and Chemical Reactivity of ZrSiS and ZrSiSe Nodal‐Line Semimetals.
    Danil W Boukhvalov, Raju Edla, Anna Cupolillo, Vito Fabio, Raman Sankar, Yanglin Zhu, Zhiqiang Mao, Jin Hu, Piero Torelli, Gennaro Chiarello, Luca Ottaviano, Antonio Politano. Adv. Funt. Mater. 29 (2019) 1900438.
11. Enhanced thermoelectric performance of BiCuTeO by excess Bi additions.
    Hui-Ching Chang, Hao-Jen You, Raman Sankar, Ying-Jay Yang, Li-Chyong Chen, Kuei-Hsien Chen. Ceram Int. 45 (2019) 9254-9259.
12. Gd2Te3: an antiferromagnetic semimetal.
    I Panneer Muthuselvam, Raja Nehru, K Ramesh Babu, K Saranya, SN Kaul, Shen-Ming Chen, Wei-Tin Chen, Yanwen Liu, Guang-Yu Guo, Faxian Xiu, R Sankar. J. Phys.: Condens. Matter 31 (2019) 285802.
13. Topological nature of step-edge states on the surface of the topological crystalline insulator Pb0.7Sn0.3Se.
    Davide Iaia, Chang-Yan Wang, Yulia Maximenko, Daniel Walkup, R Sankar, Fangcheng Chou, Yuan-Ming Lu, Vidya Madhavan. Phys. Rev. B 99 (2019) 155116.
14. Photodriven Dipole Reordering: Key to Carrier Separation in Metalorganic Halide Perovskites.
    Hung-Chang Hsu, Bo-Chao Huang, Shu-Cheng Chin, Cheng-Rong Hsing, Duc-Long Nguyen, Michael Schnedler, Raman Sankar, Rafal E Dunin-Borkowski, Ching-Ming Wei, Chun-Wei Chen, Philipp Ebert, Ya-Ping Chiu. ACS Nano 13 (2019) 4402-4409.
15. High Temperature Defect-Induced Hopping Conduction in Multi-Layered Germanium Sulfide for Optoelectronics Applications in Harsh Environments.
    Srinivasa Reddy Tamalampudi, Shashikant Patole, Boulos Alfakes, Raman Sankar, Ibraheem Almansouri, Matteo Chiesa, Jin-You Lu. ACS Appl. Nano Mater. 2 (2019) 2169-2175.
16. Contrasting the Surface Phonon Dispersion of  Pb0.7Sn0.3Se in Its Topologically Trivial and Nontrivial Phases.
    S. Kalish, C. Chamon, M. El-Batanouny, L. H. Santos, R. Sankar, and F. C. Chou. Phys. Rev. Lett. 122 (2019) 116101.
17. Sonochemical driven simple preparation of nitrogen-doped carbon quantum dots/SnO2 nanocomposite: A novel electrocatalyst for sensitive voltammetric determination of riboflavin.
    Ganesan Muthusankar, Chellakannu Rajkumar, Shen-Ming Chen, Rajendran Karkuzhali, Gopalakrishnan Gopu, Arumugam Sangili, Nallathambi Sengottuvelan. Raman Sankar. Sens Actuators B Chem. 281 (2019) 602-612.
18. Extreme magnetoresistance and pressure-induced superconductivity in the topological semimetal candidate YBi.
    C. Q. Xu, B. Li, M. R. van Delft, W. H. Jiao, W. Zhou, B. Qian, Nikolai D. Zhigadlo, Dong Qian, R. Sankar, N. E. Hussey, and Xiaofeng Xu. Phys. Rev. B 99 (2019) 024110.
19. Optical signatures of Dirac nodal lines in NbAS2.
    Yinming Shao, Zhiyuan Sun, Ying Wang, Chenchao Xu, Raman Sankar, Alexander J Breindel, Chao Cao, Michael M Fogler, Andrew J Millis, Fangcheng Chou, Zhiqiang Li, Thomas Timusk, M Brian Maple, DN Basov. Proc. Natl. Acad. Sci. U.S.A. 116 (2019) 1168-1173.
20. Electrosynthesis of Carbon Aerogels Modified AuNPs@Quercetin via Environmentally Benign Method for hydrazine (HZ) and hydroxylamine (HA) Detection.
    Rajkumar Chellakannu, Raja Nehru, Shen Ming Chen, Haekyoung Kim, S Arumugam, Raman Sankar. New J. Chem., (2019) DOI:10.1039/C9NJ05360C.
21. High unsaturated room-temperature magnetoresistance in phase-engineered MoxW1-xTe2+.
    Roshan Jesus Mathew, Christy Roshini Paul Inbaraj, Raman Sankar, Shemsia Mohammed Hudie, Revannath Dnyandeo Nikam, Chi-Ang Tseng, Chih-Hao Lee, Yit-Tsong Chen. J. Mater. Chem. C 7 (2019) 10996-11004.
22. Enhanced thermoelectric performance of GeTe through in situ microdomain and Ge-vacancy control.
    Khasim Saheb Bayikadi, Raman Sankar, Chien Ting Wu, Chengliang Xia, Yue Chen, Li-Chyong Chen, Kuei-Hsien Chen and Fang-Cheng Chou. J. Mater. Chem. A 7 (2019) 15181-15189.
23. Surface Reconstruction, Oxidation Mechanism, and Stability of Cd3As2.
    Junfeng Gao, Anna Cupolillo, Silvia Nappini, Federica Bondino, Raju Edla, Vito Fabio, Raman Sankar, Yong‐Wei Zhang, Gennaro Chiarello, Antonio Politano. Adv. Funt. Mater. (2019) 1900965.
24. Enhanced Thermoelectric Performance via Oxygen Manipulation in BiCuTeO. Hui-Ching Chang, Hao-Jen You, Raman Sankar, Ying-Jay Yang, Li-Chyong Chen, Kuei-Hsien Chen. MRS Adv. 4 (2019) 499-505.

Year 2018

1. Superconductivity in a misfit layered (SnS)1.15(TaS2) compound.
   Raman Sankar. G Peramaiyan, I Panneer Muthuselvam, Cheng-Yen Wen, Xiaofeng Xu, FC Chou, Chemistry of Materials., 30 (2018), 1373-1378
2. Surface termination dependent quasiparticle scattering interference and magneto-transport study on ZrSiS.
   Chih-Chuan Su, Chi-Sheng Li, Tzu-Cheng Wang, Syu-You Guan, Raman Sankar, Fang-Cheng Chou, Chia-Seng Chang, Wei-Li Lee, Guang-Yu Guo, Tien-Ming Chuang New J. Phys (2018)
3. 3D Dirac semimetal Cd3As2: a review of material properties I Crassee.
   R Sankar, W-L Lee, A Akrap, M Orlita Physical Review B 97 (2018), 195134
4. Distinct multiple fermionic states in a single topological metal M Mofazzel Hosen.
   Klauss Dimitri, Ashis K Nandy, Alex Aperis, Raman Sankar, Gyanendra Dhakal, Pablo Maldonado, Firoza Kabir, Christopher Sims, Fangcheng Chou, Dariusz Kaczorowski, Tomasz Durakiewicz, Peter M Oppeneer, Madhab Neupane Nature Communications(2018) 9, 3002
5. Low-Threshold Lasing from 2D Homologous Organic–Inorganic Hybrid Ruddlesden–Popper Perovskite Single Crystals Chinnambedu Murugesan Raghavan.
   Tzu-Pei Chen, Shao-Sian Li, Wei-Liang Chen, Chao-Yuan Lo, Yu-Ming Liao, Golam Haider, Cheng-Chieh Lin, Chia-Chun Chen, Raman Sankar, Yu-Ming Chang, Fang-Cheng Chou, Chun-Wei Chen Nano letters 18 (5), 3221-3228
6. Emergence of a Metal–Insulator Transition and High-Temperature Charge-Density Waves in VSe2 at the Monolayer Limit Ganbat Duvjir.
   Byoung Ki Choi, Iksu Jang, Søren Ulstrup, Soonmin Kang, Trinh Thi Ly, Sanghwa Kim, Young Hwan Choi, Chris Jozwiak, Aaron Bostwick, Eli Rotenberg, Je-Geun Park, Raman Sankar, Ki-Seok Kim, Jungdae Kim, Young Jun Chang Nano Lett., 2018, 18 (9), 5432–5438
7. Enhanced Light Emission from the Ridge of Two-dimensional InSe Flakes.
   Yang Li, Tianmeng Wang, Han Wang, Zhipeng Li, Yanwen Chen, Damien West, Raman Sankar, Rajesh K Ulaganathan, Fangcheng Chou, Christian Wetzel, Cheng-Yan Xu, Shengbai Zhang, Su-Fei Shi Nano letters 18 (8), 5078-5084
8. High-performance InSe transistors with ohmic contact enabled by nonrectifying-barrier-type indium electrodes.
   Yu-Ting Huang, Yi-Hsun Chen, Yi-Ju Ho, Shih-Wei Huang, Yih-Ren Chang, Kenji Watanabe, Takashi Taniguchi, Hsiang-Chih Chiu, Chi-Te Liang, Raman Sankar, Fang-Cheng Chou, Chun-Wei Chen, Wei-Hua Wang ACS Appl. Mater. Interfaces, 2018, 10 (39), 33450–33456
9. Interplay of orbital effects and nanoscale strain in topological crystalline insulators.
   Daniel Walkup, Badih A Assaf, Kane L Scipioni, R Sankar, Fangcheng Chou, Guoqing Chang, Hsin Lin, Ilija Zeljkovic, Vidya Madhavan Nature communications 9 (1), 1550.
10. Topological Type-II Dirac Fermions Approaching the Fermi Level in a Transition Metal Dichalcogenide NiTe2.
    Chunqiang Xu, Bin Li, Wenhe Jiao, Wei Zhou, Bin Qian, Raman Sankar, Nikolai D Zhigadlo, Yanpeng Qi, Dong Qian, Fang-Cheng Chou, Xiaofeng Xu Chemistry of Materials., (2018).
11. Anisotropic magnetotransport and extremely large magnetoresistance in NbAs2 single crystals G Peramaiyan.
    Raman Sankar, I Panneer Muthuselvam, Wei-Li Lee Scientific reports 8 (2018), 6414
12. Ultrasensitive tunability of the direct bandgap of two-dimensional InSe flakes via strain engineering.
    Yang Li, Tianmeng Wang, Meng Wu, Ting Cao, Yanwen Chen, Raman Sankar, Rajesh Kumar Ulaganathan, Fang-Cheng Chou, Christian Wetzel, Chengyan Xu, Steven G Louie, Sufei Shi., 2D Mater. 5 (2018) 021002.
13. Evidence of s-wave superconductivity in the noncentrosymmetric La7Ir3.
    B Li, CQ Xu, W Zhou, WH Jiao, R Sankar, FM Zhang, HH Hou, XF Jiang, B Qian, B Chen, AF Bangura, Xiaofeng Xu., Scientific Reports. 8 (2018) 651.
14. Kondo behavior and metamagnetic phase transition in the heavy-fermion compound CeBi2.
    W Zhou, CQ Xu, B Li, R Sankar, FM Zhang, B Qian, C Cao, JH Dai, Jianming Lu, WX Jiang, Dong Qian, Xiaofeng Xu Physical Review B 97 (19), 195120
15. Optical spectroscopy study on pressure-induced phase transitions in the three-dimensional Dirac semimetal Cd3As2.
    E Uykur, R Sankar, D Schmitz, CA Kuntscher Physical Review B 97 (2018), 195134
16. Reinvestigating the surface and bulk electronic properties of Cd3 As2.
    S Roth, H Lee, A Sterzi, M Zacchigna, A Politano, R Sankar, FC Chou, G Di Santo, L Petaccia, OV Yazyev, A Crepaldi Physical Review B 97 (2018), 165439
17. Energy scale of Dirac electrons in Cd3As2.
    M Hakl, S Tchoumakov, I Crassee, A Akrap, BA Piot, C Faugeras, G Martinez, A Nateprov, E Arushanov, Frederic Teppe, R Sankar, Wei-li Lee, J Debray, O Caha, J Novak, MO Goerbig, M Potemski, M Orlita Physical Review B 97 (2018), 115206.
18. Inducing Strong Superconductivity in WTe2 by Proximity Effect.
    Ce Huang, Awadhesh Narayan, Enze Zhang, Yanwen Liu, Xiao Yan, Jiaxiang Wang, Cheng Zhang, Weiyi Wang, Tong Zhou, Changjiang Yi, Shanshan Liu, Jiwei Ling, Huiqin Zhang, Ran Liu, Raman Sankar, Fang-Cheng Chou, Yihua Wang, Youguo Shi, Kam Tuen Law, Stefano Sanvito, Peng Zhou, Zheng Han, Faxian Xiu ACS Nano, 12 (2018), 7185–7196
19. Tuning Rashba Spin-Orbit Coupling in Gated Multi-layer InSe Kasun Premasiri.
    Santosh Kumar, Sukrit Sucharitakul, Rajesh Kumar Ulaganathan, Raman Sankar, Fang-Cheng Chou, Yit-Tsong Chen, Xuan PA Gao Nano Lett. 18, (2018), 4403.
20. Dynamic surface electronic reconstruction as symmetry-protected topological orders in topological insulator Bi2 Se3.
    GJ Shu, SC Liou, SK Karna, R Sankar, M Hayashi, FC Chou Physical Review Materials 2 (4), 044201.
21. Resistivity Anomaly in Weyl Semimetal candidate Molybdenum Telluride(MoTe2).
    Dhavala Suri, Christopher Linderalv, Bogdan Karpiak, Linnea Anderson, Sandeep Kumar Singh, Andre Dankert, FC Chou., Raman Sankar., Paul Erhart, Saroj P Dash, RS Patel., APL. (2018)-AR-00763.
22. Pressure-induced electronic and structural phase transitions in Dirac semimetal Cd3As2: Raman study.
    SN Gupta, DVS Muthu, C Shekhar, R Sankar, C Felser, AK Sood EPL (Europhysics Letters) 120 (5), 57003
23. Ferromagnetic nature in low-dimensional S= 1 antiferromagnetic Li2Ni(WO4)2 nanoparticles.
    IP Muthuselvam, R Sankar, GN Rao, SK Karna, FC Chou., Journal of Magnetism and Magnetic Materials. 449 (2018) 83–87.
24. Two-dimensional transport and strong spin–orbit interaction in SrMnSb2.
    Jiwei Ling, Yanwen Liu, Zhao Jin, Sha Huang, Weiyi Wang, Cheng Zhang, Xiang Yuan, Shanshan Liu, Enze Zhang, Ce Huang, Raman Sankar, Fang-Cheng Chou, Zhengcai Xia, Faxian Xiu, Chinese Physics B. 27 (2018) 017504.

Year 2017

1. Surface oxidation doping to enhance photo generated carrier separation efficiency for ultrahigh gain indium selenide photodetector.
   YR Chang, PH Ho, CY Wen, TP Chen, SS Li, JY Wang, MK Li, CA Tsai, Raman Sankar, Wei-Hua Wang, Po-Wen Chiu, Fang-Cheng Chou, and Chun-Wei Chen., ACS Photonics. 4 (2017) 2930-2936.
2. Anomalous Acoustic Plasmon Mode from Topologically Protected States.
   Xun Jia, Shuyuan Zhang, Raman Sankar, Fang-Cheng Chou, Weihua Wang, K Kempa, EW Plummer, Jiandi Zhang, Xuetao Zhu, Jiandong Guo, Physical Review Letter. 119 (2017) 136805.
3. Observation of ultrahigh mobility surface states in a topological crystalline insulator by infrared spectroscopy.
   Y Wang, G Luo, J Liu, R Sankar, NL Wang, F Chou, L Fu, Z Li., Nature Communications. 8 (1) (2017) 366.
4. Proximity-effect-induced Superconducting Gap in Topological Surface States- A point contact Spectroscopy study of NbSe2/Bi2Se3.
   Wenqing Dai, Anthony Richardella, Renzhong Du, Weiwei Zhao, Xin Liu, C.X. Liu, Song-Hsun Huang, Raman Sankar, Fangcheng Chou, Nitin Samarth, and Qi Li., Scientific Reports. 7 (2017) 7631.
5. Optical spectroscopy study on pressure-induced phase transitions in the three-dimensional Dirac semimetal Cd3As2.
   E Uykur, R Sankar, D Schmitz, CA Kuntscher., Phys. Rev. B. 96, (2017) 195137.
6. Correlation between non-Fermi-liquid behavior and superconductivity in (Ca, La)(Fe, Co) As2 iron arsenides: A high-pressure study.
   W Zhou, F Ke, Xiaofeng Xu, R Sankar, X Xing, CQ Xu, XF Jiang, B Qian, N Zhou, Y Zhang, M Xu, B Li, B Chen, ZX Shi., Physical Review B. 96 (18) 184503.
7. Quasiparticle Interference in ZrSiS-Strongly Band-Selective Scattering Depending on Impurity Lattice Site.
   CJ Butler, YM Wu, CR Hsing, Y Tseng, R Sankar, CM Wei, FC Chou, Physical Review B. 96 (2017) 195125.
8. Enhanced electron correlations in the binary stannide PdSn 4: A homologue of the Dirac nodal arc semimetal PtSn4.
   CQ Xu, W Zhou, R Sankar, XZ Xing, ZX Shi, ZD Han, B Qian, JH Wang, Zengwei Zhu, JL Zhang, AF Bangura, NE Hussey, Xiaofeng Xu, Physical Review Materials 1 (2017) 064201.
9. Topological quantum phase transition and superconductivity induced by pressure in the bismuth tellurohalide BiTeI.
   Yanpeng Qi, Wujun Shi, Pavel G Naumov, Nitesh Kumar, Raman Sankar, Walter Schnelle, Chandra Shekhar, FC Chou, Claudia Felser, Binghai Yan, Sergey A Medvedev, Adv. Mater. 29 (2017) 1605965.
10. Antiferromagnetism of Li2Cu5Si4O14 with alternating dimers and trimers in chains.
    GS Murugan, PJ Chen, R Sankar, IP Muthuselvam, GN Rao, FC Chou, Physical Review B. 95 (2017) 174442.
11. Magnetic field-induced electronic and topological phase transitions in Weyl type-I semi-metals.
    QR Zhang, B Zeng, D Rhodes, S Memaran, T Besara, R Sankar, F Chou, N Alidoust, S-Y Xu, I Belopolski, MZ Hasan, L Balicas., arXiv preprint arXiv: 1705 (2017) 00920.
12. Large negative thermal expansion in the cubic phase of CaMn7O12.
    K Gautam, DK Shukla, S Francoual, J Bednarcik, JRL Mardegan, H-P Liermann, R Sankar, FC Chou, DM Phase, J Strempfer, Physical Review B. 95 (2017) 144112.
13. Tunability of the topological nodal-line semimetal phase in ZrSi X-type materials (X= S, Se, Te).
    M Mofazzel Hosen, Klauss Dimitri, Ilya Belopolski, Pablo Maldonado, Raman Sankar, Nagendra Dhakal, Gyanendra Dhakal, Taiason Cole, Peter M Oppeneer, Dariusz Kaczorowski, Fangcheng Chou, M Zahid Hasan, Tomasz Durakiewicz, Madhab Neupane, Physical Review B. 95 (2017)161101.
14. µSR study of noncentrosymmetric superconductor PbTaSe2.
    MN Wilson, AM Hallas, Y Cai, S Guo, Z Gong, R Sankar, FC Chou, YJ Uemura, GM Luke., Physical Review B. 95 (2017) 224506 .
15. Sodium layer chiral distribution and spin structure of Na2Ni2TeO6 with a Ni honeycomb lattice.
    Sunil K Karna, Y Zhao, R Sankar, M Avdeev, PC Tseng, CW Wang, GJ Shu, K Matan, GY Guo, FC Chou., Physical Review B. 95 (2017) 104408.
16. Observation of surface superstructure induced by systematic vacancies in the topological Dirac semimetal Cd3As2.
    Christopher J Butler, Yi Tseng, Cheng-Rong Hsing, Yu-Mi Wu, Raman Sankar, Mei-Fang Wang, Ching-Ming Wei, Fang-Cheng Chou, Minn-Tsong Lin, Physical Review B. 95 (2017) 081410.
17. Anisotropic superconducting property studies of single crystal PbTaSe2.
    Raman Sankar, G Narsinga Rao, I Panneer Muthuselvam, Tay-Rong Chang, HT Jeng, G Senthil Murugan, Wei-Li Lee, FC Chou, Journal of Physics: Condensed Matter. 29 (2017) 095601.
18. Crystal growth of Dirac semimetal ZrSiS with high magnetoresistance and mobility.
    Raman Sankar, G Peramaiyan, I Panneer Muthuselvam, Christopher J Butler, Klauss Dimitri, Madhab Neupane, G Narsinga Rao, M-T Lin, FC Chou, Scientific reports. 7 (2017) 40603.
19. Optical phonon dynamics and electronic fluctuations in the Dirac semimetal Cd3As2.
    A Sharafeev, V Gnezdilov, R Sankar, FC Chou, P Lemmens, Physical Review B. 23 May 2017 (Accepted).
20. Epitaxial growth of vertically stacked p-MoS2/n-MoS2 heterostructures by chemical vapor deposition for light emitting devices.
    Revannath Dnyandeo Nikam, Poonam Ashok Sonawane, Raman Sankar, Yit-Tsong Chen, 32(2017) 454.
21. Polymorphic layered MoTe2 from semiconductor, topological insulator, to Weyl Semimetal.
    Raman Sankar, G Narsinga Rao, I Panneer Muthuselvam, Christopher Butler, Nitesh Kumar, G Senthil Murugan, Chandra Shekhar, Tay-Rong Chang, Cheng-Yen Wen, Chun-Wei Chen, Wei-Li Lee, M-T Lin, Horng-Tay Jeng, Claudia Felser, FC Chou, Chemistry of Materials 29 (2017) 699-707.

Year 2016

1. Surface states dominated infrared conductivity in a topological crystalline insulator.
   Ying Wang, Guoyu Luo, Junwei Liu, R Sankar, Nan-Lin Wang, Fangcheng Chou, Liang Fu, Zhiqiang Li, arXiv preprint arXiv:1611.04302 (2016)
2. Superconducting topological surface states in the non-centrosymmetric bulk superconductor PbTaSe2.
   Syu-You Guan, Peng-Jen Chen, Ming-Wen Chu, Raman Sankar, Fangcheng Chou, Horng-Tay Jeng, Chia-Seng Chang, Tien-Ming Chuang., Science Advances. 2 (2016) 1600894.
3. Interplay of orbital effects and nanoscale strain in topological crystalline insulators.
   Daniel Walkup, Badih Assaf, Kane L Scipioni, R Sankar, Fangcheng Chou, Guoqing Chang, Hsin Lin, Ilija Zeljkovic, Vidya Madhavan, arXiv preprint arXiv:1610.09337 (2016).
4. Influence of induced defects on transport properties of the Bridgman-grown Bi2Se3-based single crystals.
   KK Wu, B Ramachandran, YK Kuo, R Sankar, FC Chou, Journal of Alloys and Compounds. 682 (2016) 225.
5. Quasiparticle Scattering in the Rashba Semiconductor BiTeBr: The Roles of Spin and Defect Lattice Site.
   Christopher John Butler, Po-Ya Yang, Raman Sankar, Yen-Neng Lien, Chun-I Lu, Luo-Yueh Chang, Chia-Hao Chen, Ching-Ming Wei, Fang-Cheng Chou, Minn-Tsong Lin, ACS nano. 10 (2016) 9361
6. Topological Dirac surface states and superconducting pairing correlations in PbTaSe2.
   Tay-Rong Chang, Peng-Jen Chen, Guang Bian, Shin-Ming Huang, Hao Zheng, Titus Neupert, Raman Sankar, Su-Yang Xu, Ilya Belopolski, Guoqing Chang, BaoKai Wang, Fangcheng Chou, Arun Bansil, Horng-Tay Jeng, Hsin Lin, M Zahid Hasan, Physical Review B. 93 (2016) 245130.
7. Tunable photoinduced carrier transport of a black phosphorus transistor with extended stability using a light-sensitized encapsulated layer.
   Po-Hsun Ho, Min-Ken Li, Raman Sankar, Fu-Yu Shih, Shao-Sian Li, Yih-Ren Chang, Wei-Hua Wang, Fang-Cheng Chou, Chun-Wei Chen., ACS Photonics. 3 (2016) 1102.
8. Ultra‐thin layered ternary single crystals [Sn (SxSe1− x)2] with bandgap engineering for high performance phototransistors on versatile substrates.
   Packiyaraj Perumal, Rajesh Kumar Ulaganathan, Raman Sankar, Yu‐Ming Liao, Tzu‐Min Sun, Ming‐Wen Chu, Fang Cheng Chou, Yit‐Tsong Chen, Min‐Hsiung Shih, Yang‐Fang Chen, Advanced Functional Materials. 26 (2016) 3630.
9. Observation of topological nodal fermion semimetal phase in ZrSiS.
   Madhab Neupane, Ilya Belopolski, M Mofazzel Hosen, Daniel S Sanchez, Raman Sankar, Maria Szlawska, Su-Yang Xu, Klauss Dimitri, Nagendra Dhakal, Pablo Maldonado, Peter M Oppeneer, Dariusz Kaczorowski, Fangcheng Chou, M Zahid Hasan, Tomasz Durakiewic, Physical Review B. 93 (2016) 201104.
10. Tellurium-bridged two-leg spin ladder in Ba2CuTeO6.
    G Narsinga Rao, R Sankar, Akansha Singh, I Panneer Muthuselvam, WT Chen, Viveka Nand Singh, Guang-Yu Guo, FC Chou, Physical Review B. 93 (2016) 104401.
11. Growth of the Bi2Se3 Surface Oxide for Metal–Semiconductor–Metal Device Applications.
    Yun-Chieh Yeh, Po-Hsun Ho, Cheng-Yen Wen, Guo-Jiun Shu, Raman Sankar, Fang-Cheng Chou, Chun-Wei Chen, J. Phys. Chem. C., 120 (2016) 3314.
12. Topological nodal-line fermions in spin-orbit metal PbTaSe2.
    Guang Bian, Tay-Rong Chang, Raman Sankar, Su-Yang Xu, Hao Zheng, Titus Neupert, Ching-Kai Chiu, Shin-Ming Huang, Guoqing Chang, Ilya Belopolski, Daniel S Sanchez, Madhab Neupane, Nasser Alidoust, Chang Liu, BaoKai Wang, Chi-Cheng Lee, Horng-Tay Jeng, Chenglong Zhang, Zhujun Yuan, Shuang Jia, Arun Bansil, Fangcheng Chou, Hsin Lin, M Zahid Hasan, Nature Communications. 7 (2016) 10556.
13. Atomic-scale visualization of quantum interference on a Weyl semimetal surface by scanning tunneling microscopy.
    Hao Zheng, Su-Yang Xu, Guang Bian, Cheng Guo, Guoqing Chang, Daniel S Sanchez, Ilya Belopolski, Chi-Cheng Lee, Shin-Ming Huang, Xiao Zhang, Raman Sankar, Nasser Alidoust, Tay-Rong Chang, Fan Wu, Titus Neupert, Fangcheng Chou, Horng-Tay Jeng, Nan Yao, Arun Bansil, Shuang Jia, Hsin Lin, M Zahid Hasan, ACS nano. 10 (2016) 1378.
14. Screening limited switching performance of multilayer 2D semiconductor FETs: the case for SnS.
    Sukrit Sucharitakul, U Rajesh Kumar, Raman Sankar, Fang-Cheng Chou, Yit-Tsong Chen, Chuhan Wang, Cai He, Rui He, Xuan PA Gao, Nanoscale. 8 (2016) 19050.
15. Observation of the spin-polarized surface state in a non-centrosymmetric superconductor BiPd.
    Madhab Neupane, Nasser Alidoust, M Mofazzel Hosen, Jian-Xin Zhu, Klauss Dimitri, Su-Yang Xu, Nagendra Dhakal, Raman Sankar, Ilya Belopolski, Daniel S Sanchez, Tay-Rong Chang, Horng-Tay Jeng, Koji Miyamoto, Taichi Okuda, Hsin Lin, Arun Bansil, Dariusz Kaczorowski, Fangcheng Chou, M Zahid Hasan, Tomasz Durakiewicz, Nature Communications.7 (2016) 13315.
16. Large transverse Hall-like signal in topological Dirac semimetal Cd3As2.
    Shih-Ting Guo, R Sankar, Yung-Yu Chien, Tay-Rong Chang, Horng-Tay Jeng, Guang-Yu Guo, FC Chou, Wei-Li Lee, Scientific Reports. 6 (2016) 27487.
17. Intermixing-seeded growth for high-performance planar heterojunction perovskite solar cells assisted by precursor-capped nanoparticles.
    Shao-Sian Li, Chi-Huang Chang, Ying-Chiao Wang, Chung-Wei Lin, Di-Yan Wang, Jou-Chun Lin, Chia-Chun Chen, Hwo-Shuenn Sheu, Hao-Chung Chia, Wei-Ru Wu, U-Ser Jeng, Chi-Te Liang, Raman Sankar, Fang-Cheng Chou, Chun-Wei Chen, Energy & Environmental Science. 9 (2016) 1282.
18. High photosensitivity and broad spectral response of multi-layered germanium sulfide transistors.
    Rajesh Kumar Ulaganathan, Yi-Ying Lu, Chia-Jung Kuo, Srinivasa Reddy Tamalampudi, Raman Sankar, Karunakara Moorthy Boopathi, Ankur Anand, Kanchan Yadav, Roshan Jesus Mathew, Chia-Rung Liu, Fang Cheng Chou, Yit-Tsong Chen, Nanoscale. 8 (2016) 2284.
19. Electronic structure and relaxation dynamics in a superconducting topological material.
    Madhab Neupane, Yukiaki Ishida, Raman Sankar, Jian-Xin Zhu, Daniel S Sanchez, Ilya Belopolski, Su-Yang Xu, Nasser Alidoust, M Mofazzel Hosen, Shik Shin, Fangcheng Chou, M Zahid Hasan, Tomasz Durakiewicz, Scientific Reports. 6 (2016) 22557.

Year 2015

1. Experimental discovery of a topological Weyl semimetal state in TaP.
   Su-Yang Xu, Ilya Belopolski, Daniel S Sanchez, Chenglong Zhang, Guoqing Chang, Cheng Guo, Guang Bian, Zhujun Yuan, Hong Lu, Tay-Rong Chang, Pavel P Shibayev, Mykhailo L Prokopovych, Nasser Alidoust, Hao Zheng, Chi-Cheng Lee, Shin-Ming Huang, Raman Sankar, Fangcheng Chou, Chuang-Han Hsu, Horng-Tay Jeng, Arun Bansil, Titus Neupert, Vladimir N Strocov, Hsin Lin, Shuang Jia, M Zahid Hasan., Science Advances. 1 (2015) e1501092.
2. Successive spin orderings of tungstate-bridged Li2Ni(WO4)2 of spin1.
   I Panneer Muthuselvam, R Sankar, AV Ushakov, WT Chen, G Narsinga Rao, Sergey V Streltsov, Sunil K Karna, L Zhao, MK Wu, FC Chou, Journal of Physics: Condensed Matter. 27 (2015) 456001.
3. Organic Monolayer Protected Topological Surface State.
   Hung-Hsiang Yang, Yu-Hsun Chu, Chun-I Lu, Christopher John Butler, Raman Sankar, Fang-Cheng Chou, Minn-Tsong Lin, Nano letters. 15 (2015) 6896.
4. Enhancement of thermoelectric figure of merit in β-Zn4Sb3 by indium doping control.
   Pai-Chun Wei, Chun-Chuen Yang, Jeng-Lung Chen, Raman Sankar, Chi-Liang Chen, Chia-Hao Hsu, Chung-Chieh Chang, Cheng-Lung Chen, Chung-Li Dong, Fang-Cheng Chou, Kuei-Hsien Chen, Maw-Kuen Wu, Yang-Yuan Chen, Applied Physics Letters. 107 (2015) 123902.
5. Hierarchical spin-orbital polarization of a giant Rashba system.
   Lewis Bawden, Jonathan M Riley, Choong H Kim, Raman Sankar, Eric J Monkman, Daniel E Shai, Haofei I Wei, Edward B Lochocki, Justin W Wells, Worawat Meevasana, Timur K Kim, Moritz Hoesch, Yoshiyuki Ohtsubo, Patrick Le Fèvre, Craig J Fennie, Kyle M Shen, Fangcheng Chou, Phil DC King, Science Advances. 1 (2015) e1500495.
6. Fe-excess Ions as Electronic Charge Suppliers for Zero Thermal Expansion in the Normal State of Fe1.16Te0.6Se0.4.
   Sunil K Karna, Chi-Hung Lee, Wen-Hsien Li, Raman Sankar, Fang-Cheng Chou, Maxim Avdeev, Journal of the Physical Society of Japan. 84 (2015) 094713.
7. Strain engineering Dirac surface states in heteroepitaxial topological crystalline insulator thin films.
   Ilija Zeljkovic, Daniel Walkup, Badih A Assaf, Kane L Scipioni, Raman Sankar, Fangcheng Chou, Vidya Madhavan, Nature Nanotechnology. 10 (2015) 849.
8. Topological phase diagram and saddle point singularity in a tunable topological crystalline insulator.
   Madhab Neupane, Su-Yang Xu, R Sankar, Q Gibson, YJ Wang, I Belopolski, N Alidoust, G Bian, PP Shibayev, DS Sanchez, Y Ohtsubo, A Taleb-Ibrahimi, S Basak, W-F Tsai, H Lin, Tomasz Durakiewicz, RJ Cava, A Bansil, FC Chou, M Zahid Hasan, Physical Review B. 92 (2015) 075131.
9. Large single crystal growth, transport property, and spectroscopic characterizations of three-dimensional Dirac semimetal Cd3As2.
   R Sankar, M Neupane, S-Y Xu, CJ Butler, I Zeljkovic, I Panneer Muthuselvam, F-T Huang, S-T Guo, Sunil K Karna, M-W Chu, WL Lee, M-T Lin, R Jayavel, V Madhavan, MZ Hasan, FC Chou, Scientific Reports. 5 (2015) 12966.
10. Lifshitz transition and Van Hove singularity in a three-dimensional topological Dirac semimetal.
    Su-Yang Xu, Chang Liu, I Belopolski, SK Kushwaha, R Sankar, JW Krizan, T-R Chang, CM Polley, Johan Adell, T Balasubramanian, K Miyamoto, N Alidoust, Guang Bian, M Neupane, H-T Jeng, C-Y Huang, W-F Tsai, T Okuda, A Bansil, FC Chou, RJ Cava, Hsin Lin, M Zahid Hasan, Physical Review B. 92 (2015) 075115.
11. Discovery of a Weyl fermion semimetal and topological Fermi arcs.
    Su-Yang Xu, Ilya Belopolski, Nasser Alidoust, Madhab Neupane, Guang Bian, Chenglong Zhang, Raman Sankar, Guoqing Chang, Zhujun Yuan, Chi-Cheng Lee, Shin-Ming Huang, Hao Zheng, Jie Ma, Daniel S Sanchez, BaoKai Wang, Arun Bansil, Fangcheng Chou, Pavel P Shibayev, Hsin Lin, Shuang Jia, M Zahid Hasan, Science. 349 (2015) 613.
12. Antiferromagnetic spin structure and negative thermal expansion of Li2Ni(WO4)2.
    Sunil K Karna, CW Wang, R Sankar, M Avdeev, A Singh, I Panneer Muthuselvam, VN Singh, GY Guo, FC Chou, Physical Review B. 92 (2015) 014413.
13. Surface versus bulk Dirac state tuning in a three-dimensional topological Dirac semimetal.
    Madhab Neupane, Su-Yang Xu, Nasser Alidoust, Raman Sankar, Ilya Belopolski, Daniel S Sanchez, Guang Bian, Chang Liu, Tay-Rong Chang, Horng-Tay Jeng, BaoKai Wang, Guoqing Chang, Hsin Lin, Arun Bansil, Fangcheng Chou, M Zahid Hasan, Physical Review B. 91 (2015) 241114.
14. Intrinsic electron mobility exceeding 103 cm2/(Vs) in multilayer InSe FETs.
    Sukrit Sucharitakul, Nicholas J Goble, U Rajesh Kumar, Raman Sankar, Zachary A Bogorad, Fang-Cheng Chou, Yit-Tsong Chen, Xuan PA Gao, Nano letters. 15 (2015), 3815.
15. Doping effects on charge density instability in non-centrosymmetric PbxTaSe2.
    Azat Sharafeev, Raman Sankar, Alexander Glamazda, Kwang-Yong Choi, Robert Bohle, Peter Lemmens, Fangcheng Chou, arXiv preprint arXiv:1505.00748 (2015).
16. Magnetic Orderings in Li2Cu(WO4)2 with Tungstate-Bridged Quasi-1D Spin-1/2 Chains.
    I Panneer Muthuselvam, Raman Sankar, Viveka Nand Singh, G Narsinga Rao, Wei-Li Lee, Guang-Yu Guo, Fang-Cheng Chou, Inorganic chemistry. 54 (2015) 4303.
17. Nanoscale determination of the mass enhancement factor in the lightly doped bulk insulator lead selenide.
    Ilija Zeljkovic, Kane L Scipioni, Daniel Walkup, Yoshinori Okada, Wenwen Zhou, Raman Sankar, Guoqing Chang, Yung Jui Wang, Hsin Lin, Arun Bansil, Fangcheng Chou, Ziqiang Wang, Vidya Madhavan. Nature Communications. 6 (2015) 6559.
18. Graphene-like conjugated π bond system in Pb1− xSnxSe.
    GJ Shu, SC Liou, S Karna, R Sankar, M Hayashi, M-W Chu, FC Chou, Applied Physics Letters. 106 (2015) 122101.
19. Dirac mass generation from crystal symmetry breaking on the surfaces of topological crystalline insulators.
    Ilija Zeljkovic, Yoshinori Okada, Maksym Serbyn, R Sankar, Daniel Walkup, Wenwen Zhou, Junwei Liu, Guoqing Chang, Yung Jui Wang, M Zahid Hasan, Fangcheng Chou, Hsin Lin, Arun Bansil, Liang Fu, Vidya Madhavan, Nature materials. 14 (2015) 318.
20. Antiferromagnetism of Ni2NbBO6 with S= 1 dimer quasi-one-dimensional armchair chains.
    G Narsinga Rao, Viveka Nand Singh, R Sankar, I Panneer Muthuselvam, Guang-Yu Guo, FC Chou, Physical Review B. 91 (2015) 014423.
21. Observation of Fermi arc surface states in a topological metal.
    Su-Yang Xu, Chang Liu, Satya K Kushwaha, Raman Sankar, Jason W Krizan, Ilya Belopolski, Madhab Neupane, Guang Bian, Nasser Alidoust, Tay-Rong Chang, Horng-Tay Jeng, Cheng-Yi Huang, Wei-Feng Tsai, Hsin Lin, Pavel P Shibayev, Fang-Cheng Chou, Robert J Cava, M Zahid Hasan, Science. 347 (2015) 294.
22. Manifestation of a second Dirac surface state and bulk bands in THz radiation from topological insulators.
    Chien-Ming Tu, Tien-Tien Yeh, Wen-Yen Tzeng, Yi-Ru Chen, Hsueh-Ju Chen, Shin-An Ku, Chih-Wei Luo, Jiunn-Yuan Lin, Kaung-Hsiung Wu, Jenh-Yih Juang, Takayoshi Kobayashi, Cheng-Maw Cheng, Ku-Ding Tsuei, Helmuth Berger, Raman Sankar, Fang-Cheng Chou, Scientific Reports. 5 (2015) 14128.
23. Development of a ferromagnetic component in the superconducting state of Fe-excess Fe1.12Te1-xSex by electronic charge redistribution.
    Wen-Hsien Li, Sunil K Karna, Han Hsu, Chi-Yen Li, Chi-Hung Lee, Raman Sankar, Fang Cheng Chou, Scientific Reports. 5 (2015) 10951.
24. Enhanced thermoelectric performance of GeTe-rich germanium antimony tellurides through the control of composition and structure.
    Raman Sankar, Deniz P Wong, Chiao-Song Chi, Wei-Lun Chien, Jih-Shang Hwang, Fang-Cheng Chou, Li-Chyong Chen, Kuei-Hsien Chen, Cryst Eng Comm. 17 (2015) 3440.
25. Experimental realization of a topological Weyl semimetal phase with Fermi arc surface states in TaAs.
    Su-Yang Xu, Ilya Belopolski, Nasser Alidoust, Madhab Neupane, Chenglong Zhang, Raman Sankar, Shin-Ming Huang, Chi-Cheng Lee, Guoqing Chang, B Wang, Guang Bian, Hao Zheng, Daniel S Sanchez, Fangcheng Chou, Hsin Lin, Shuang Jia, M Zahid Hasan, Science. 349 (2015) 613.

Year 2014

1. Crystal growth and evidence of cationic mixing and magnetic ordering in the honeycomb layer of Na2Ni2TeO6 and Na2Cu2TeO6.
   R. Sankar, I. Panneer Muthuselvam, G. J. Shu and W. T. Chen, R. Jayavel and F.C.Chou, Cryst Eng Comm. 16 (2014) 10791.
2. Room temperature agglomeration for the growth of BiTeI single crystal with giant Rashba effect.
   R. Sankar, Christopher John Butler, S.-C. Liou, I. Panneer Muthuselvam, yM.-W. Chu, y W. L. Lee, Minn-Tsong Lin, x R.Jayavel, and F. C. Chou., Cryst Eng Comm. 16 (2014) 8678.
3. Observation of a topological 3D Dirac semimetal phase in high-mobility Cd3As2 and related materials.
   M. Neupane, SuYang Xu, R. Sankar, N. Alidoust, G. Bian, Chang Liu, I. Belopolski, T. -R. Chang, H. -T. Jeng, H. Lin, A. Bansil,Fangcheng Chou, M. Z. Hasan., Nature Communications. 5 (2014) 3786.
4. Momentum space imaging of Cooper pairing in a half Dirac gas.
   Su-Yang Xu, Nasser Alidoust, Ilya Belopolski, Anthony Richardella, Chang Liu, Madhab, Neupane, Guang Bian, Song-Hsun Huang, Raman Sankar, Brian Dellabetta, Chen Fang, Wenqing Dai, Qi Li, Matthew J. Gilbert, Fangcheng Chou, Nitin Samarth, and M. Zahid Hasan, Nature Phy. 10 (2014) 943.
5. Mapping Polarization Induced Surface Band Bending on the Rashba Semiconductor BiTeI.
   Christopher John Butler, Hung-Hsiang Yang, Jhen-Yong Hong, Shih-Hao Hsu, Raman Sankar, Chun-I Lu, Hsin-Yu Lu, Kui-Hon Ou Yang, Hung-Wei Shiu, Chia-HaoChen, Chao-Cheng Kaun, Guo-Jiun Shu, Fang-Cheng Chou, and Minn-Tsong Lin, Nature Communications. 5 (2014) 4066.
6. Transformation of Dirac Surface States across the Quantum Phase Transition in a Topological Crystalline Insulator.
   Ilija Zeljkovic, Yoshinori Okada, Maksym Serbyn, R. Sankar, Daniel Walkup,Wenwen Zhou, M. Zahid Hasa Fangcheng Chou, Liang Fu and Vidya Madhavan. Science (2014) ( Accepted)
7. Solution-processable bismuth iodide nanosheets as hole transport layers for organic solar cells.
   Karunakara Moorthy Boopathi, Sankar Raman, Rajesh kumar Mohanraman, Fang-Cheng Chou, Yang-Yuang Chen, Chih-Hao Lee, Feng-Chih Chang, Chih-Wei Chu Solar Energy Materials & Solar Cells. 121 (2014) 35.
8. Two-step antiferromagnetic orderings and moderate triabgular frustration in Li2Co(WO4)2.
   Panneer Muthuselvam I, Sankar R, Ushakov A V, Narsinga Rao G, Sergey V. Streltsov and Chou F C, Phys. Rev. B. 90 (2014) 174430.
9. A High Performance and Broad Spectral Response Photodetector Based on Few-Layered InSe Nanosheets Fabricated on Rigid and Flexible Substrates. Srinivasa Reddy Tamalampudi, Yi-Ying Lu, Rajesh Kumar U., Raman Sankar, Chun-Da Liao, Karunakara Moorthy B., Che-Hsuan Cheng, Fang Cheng Chou, and Yit-Tsong Chen. Nano Lett. 14 (5) (2014) 2800.
10. Influence of In doping on the thermoelectric properties of AgSbTe2compound with enhanced figure of merit.
    Rajesh kumar Mohanraman, Raman Sankar, Karunakara Moorthy Boopathi, Fang-Cheng Chou, Chih Wei Chu, Chih-Hao Lee and Yang-Yuan Chen, J. Mater. Chem. A. 2 (2014) 2839.
11. Observation of monolayer valence band spin-orbit effect and induced quantum well states in MoX2.
    Nasser Alidoust, Guang Bian, Su-Yang Xu, Raman Sankar, Madhab Neupane, Chang Liu, Ilya Belopolski, Dong-Xia Qu, Jonathan D. Denlinger,Fang-Cheng Chou, M. Zahid Hasan., Nature Communications. 5 (2014) 4673.
12. Enhanced quasiparticle dynamics of quantum well states: The giant Rashba system BiTeIand topological insulators.
    V. Gnezdilov, D. Wulferding, P. Lemmens, A. Möller, P. Recher,4 H. Berger, R. Sankar and F. C. Chou., Phy.Rev.B 89 (2014) 195117.
13. Mapping the unconventional orbital texture in topological crystalline insulators.
    Ilija Zeljkovic, Yoshinori Okada, Cheng-Yi Huang, R. Sankar, Daniel Walkup, Wenwen Zhou, Maksym Serbyn, Fangcheng Chou, Wei-Feng Tsai, Hsin Lin, Arun Bansil, Liang Fu, M. Zahid Hasan, Vidya Madhavan., Nature Physics. 10 (2014) 572.
14. Magnetic and thermal property studies of RCrTeO6 (R-trivalentlanthanides) with layered honeycomb sublattices.
    G. Narsinga Rao, R. Sankar, I. Panneer Muthuselvama, F.C. Chou., Journal of Magnetism and Magnetic Materials. 370 (2014) 13.
15. Direct Interplay between Superconductivity and Ferromagnetism in Fe1+y(Te0.5Se0.5).
    Sunil K. Karna1Han Hsu, Chi-Yen Li Shin-Bin Liu, Chi-Hung Lee1Wen-Hsien Li1+, Raman Sankar and Fang Cheng Chou., Journal of Physical Society of Japan. 83 (2014) 074709.

Year 2013

1. Growing of fixed orientation plane of single crystal using the Flux Growth technique and Ferrimagnetic ordering in Ni3TeO6 of stacked 2D honeycomb rings.
   R. Sankar, G. J. Shu, and F. C. Chou., Dalton Trans. 42 (2013) 10439.
2. Observation of Dirac Node Formation and Mass Acquisition in a Topological Crystalline Insulator.
   Yoshinori Okada, Maksym Serbyn, Hsin Lin, Daniel Walkup, Wenwen Zhou,Chetan Dhital, Madhab Neupane, Suyang Xu, Yung Jui Wang, R Sankar,Fangcheng Chou, Arun Bansil, M Zahid Hasan, Stephen D Wilson, Liang Fu,Vidya Madhavan., Science. 341 (2013) 1496.
3. THz Generation and Detection on Dirac Fermions in Topological Insulators.
   C. W. Luo, C. C. Lee, H. -J. Chen, C. M. Tu, S. A. Ku, W. Y. Tzeng,T. T. Yeh, M. C. Chiang, H. J. Wang, W. C. Chu, [......], K. H. Wu, J. Y. Juang, T. Kobayashi, C. -M. Cheng, C. -H. Chen, K. -D. Tsuei, H. Berger, R. Sankar, F. C. Chou, H. D. Yang., Adv. Optical Mater. l (2013) 804.
4. Enhanced thermoelectric performance in Bi-doped p-type AgSbTe2 compounds.
   R. Mohanraman, Raman Sankar, F.C.Chou, C. H Lee and Y.. Chen, Journal of Applied Physics. 114 (2013) 163712.
5. Large magnetoresistance and charge transfer between the conduction and magnetic electrons in layered oxyselenide BiOCu0.96Se.
   Sunil K. Karna, C.-H. Hung, C.-M Wu, C.-W. Wang, W.-H. Li, R. Sankar, F.C. Chou, and M. Avdeev, Dalton Trans. 42 (2013) 15581.
6. Magnetic-field-tunable negative thermal expansion in layered oxyselenide BiOCuSe.
   Sunil K. Karna, W.-H. Li, C.-M. Wu, C. W. Wang, R. Sankar and F. C. Chou. J. Phys. Soc. Jpn. 82 (2013) 094705.
7. Anomalous behavior in the phonon dispersion of the (001) surface of Bi2Te3 determined from helium atom-surface scattering measurements.
   Colin Howard and M. El-Batanouny, R. Sankar and F. C. Chou., Phys. Rev. B. 88 (2013) 035402.
8. Snapshots of Dirac Fermions near the Dirac Point in Topological Insulators.
   C. W. Luo, H. J. Wang, S. A. Ku, H.-J. Chen, T. T. Yeh, J.-Y. Lin, K. H. Wu, R. Sankar, F. C. Chou,K. A. Kokh, O. E. Tereshchenko, E. V. Chulkov, Yu. M. Andreev, and G. D. Gu., Nano Lett. 13 (2013) 5797.
9. Plasmons dispersion and nonvertical interband transitions in single crystal Bi2Se3 investigated by electron energy-loss spectroscopy.
   S. C. Liou, M.-W. Chu, R. Sankar, F.-T. Huang, G. J. Shu, F. C. Chou, and C. H. Chen, Phy.Rev. B. 87 (2013) 085126.
10. Magneto-transport measurement in BiTeI single crystal.
    Chang-Ran Wang ,Raman Sankar Chia-Tso Hsieh , , Wei-Li Lee , Guang-Yu Hsu , Y.H. Matsuda , K. Kindo , C.C. Chou , H.D. Yang , H. Berger , F.C. Chou., Phys. Rev. B. 88, (2013) 081104.

Year 2012

1. Observation of a topological crystalline insulator phase and topological phase transition in Pb1_xSnxTe.
   Su-Yang Xu, Chang Liu, N. Alidoust, M. Neupane, D. Qian, I. Belopolski, J.D. Denlinger, Y.J. Wang, H. Lin, L.A.Wray, G. Landolt, B. Slomski, J.H. Dil, A. Marcinkova, E. Morosan, Q. Gibson, R. Sankar, F.C. Chou, R.J. Cava, A. Bansil & M.Z. Hasan., Nature Communications. 3 (2012) 1192.
2. Probing the bulk electronic states of Bi2Se3 using nuclear magnetic resonance.
   Young, Ben-Li; Lai, Zong-Yo; Xu, Zhijun; Yang, Alina; Gu, G. D.; Pan, Z.-H.; Valla, T.; Shu, G. J.; Sankar, R.; Chou, F. C., Phys. Rev. B. 86 (2012) 075137.
3. Phonon dynamics in CuxBi2Se3 (x=0, 0.1, 0.125) and Bi2Se2 crystals studied using femtosecond spectroscopy.
   H.-J. Chen, K. H. Wu, C. W. Luo, T. M. Uen, J. Y. Juang, J.-Y. Lin, T. Kobayashi, H.-D. Yang, R. Sankar, F. C. Chou, H. Berger, and J. M. Liu., Appl. Phys. Lett. 101 (2012) 121912.
4. Nonstoichiometric doping and Bi antisite defect in single crystal Bi2Se3.
   F.-T. Huang, M.-W. Chu, H. H. Kung, W. L. Lee, R. Sankar, S.-C. Liou, K. K. Wu, Y. K. Kuo, and F. C. Chou., Phy.Rev.B. 86 (2012) 081104.
5. Electron-Phonon Coupling on the Surface of the Topological Insulator Bi2Se3 Determined from Surface-Phonon Dispersion Measurements.
   Xuetao Zhu, L.Santos, C. Howard, R. Sankar, F. C. Chou, C. Chamon, and M. El-Batanouny Phy.Rev.Let. 108 (2012) 185501.
6. Spin, charge and lattice couplings in Cu-deficient oxysulphide BiOCu0:94S.
   Sunil K Karna, Chin-Wei Wang, Chun-MingWu, Chien-Kang Hsu, Daniel Hsu, Chih-Jen Wang, Wen-Hsien Li, Raman Sankar and Fang-Cheng Chou, J. Phys.: Condens. Matter. 24 (2012) 266004.

Year 2011

1. Interaction of Phonons and Dirac Fermions on the Surface of Bi2Se3: A Strong Kohn Anomaly.
   Xuetao Zhu, L. Santos, R. Sankar, S. Chikara, C. Howard, F.C. Chou, C. Chamon, M. El-Batanouny, Phy.Rev.Lett. 107 (2011) 186102.
2. Interplay between the Crystalline and Magnetic Structures in BiOCu0.94.
   Sunil K. KARNA1, Raman SANKAR, Chun-Ming WU, Chin-Wei WANG,Daniel HSU1, Chih-Jen WANG, Fang-Cheng CHOU and Wen-Hsien L, J. Phys. Soc. Jpn. 80, (2011) Art. No. SB011.
3. Local inhomogeneity and surface degradation of Fe1.15Te and Fe1.03Te0.62Se0.38 s ingle crystals.
   S. V. Rajasekaran, T. Tite, Y.-M. Chang, R. Sankar, F. C. Chou, J Mater Sci 46 (2011) 7582.

Year 2010

1. Metastable zone width, induction period and interfacial energy of potassium ferrocyanide trihydrate (KFCT).
   R. Kanagadurai, R. Sankar, G. Sivanesan, R. Jayavel , E-Journal of Chemistry. 7 ( 2010) 137.
2. Studies on the growth, structural, optical, thermal and electrical properties of nonlinear optical cadmium mercury thiocyanate glycol monomethyl ether single crystal.
   C.M. Raghavan, A.Bhaskaran, R. Sankar, R. Jayavel., Current Applied Physics. 10 (2010) 1346-51.

Year 2009

1. Synthesis, growth and characterization of nonlinear optical Diaqua (Thiocyanato) Manganese mercury – N,N- dimethyl acetamide single crystals.
   C.M. Raghavan, R. Sankar, R. MohanKumar, R. Jayavel., J. Cryst.Growth. 311 (2009) 1346.
2. Nucleation Kinetics, Growth and Characterization Studies of a Diamagnetic Crystal-Zinc Sulphate Heptahydrate (ZSHH).
   R. Kanagadurai, R. Sankar, G. Sivanesan, S. Srinivasan,. Rajasekaran, and R. Jayavel E-Journal of Chemistry. 6 ( 2009) 871.
3. Synthesis, growth and characterization of semi-organic nonlinear optical bis thiourea antimony tri bromide (BTAB) single crystals.
   N. Karthick, R. Sankar, R. Jayavel, S. Pandi., J.Cryst.Growth, 312 (2009) 114.
4. Synthes¬is and growth of Sodium Bitartrate monohydrate a new Organometallic nonlinear optical single crystal.
   V. Siva Shankar, R. Siddheswaran, R. Sankar, R. Jayavel, P. Murugakoothan,. Current Applied Physics. 9 (2009) 1125.
5. Growth, optical, thermal and dielectric studies of an amino acid organic nonlinear optical material: l-Alanine.
   M. Lydia Caroline, R. Sankar, R.M. Indirani, S. Vasudevan., Materials Chemistry and Physics. 114 (2009) 494.
6. Growth and characterization of new semiorganic nonlinear optical single crystal L-Phenylalanine L-Phenylalaninium perchlorate (LPPAPC).
   V. Siva Shankar, R. Siddheswaran, R. Sankar, R. Jayavel, P. Murugakoothan. Materials Letters. 63 (2009) 363.

Year 2008

1. Growth, spectral and thermal properties of KAP single crystals in the presence of DL-Alanine and L-Methionine amino acid dopants.
   K.Uthayarani, R.Sankar and C.K.Shashidharan Nair, Cryst. Res. Technol. 43 (2008) 733.
2. Investigations on the nucleation kinetics of Tetrathiourea mercury (II) tetrathiocyanato zinc(II) single crystals.
   K. Rajarajan, R. Sankar, I. Vetha Potheher, P. Sagayaraj., Materials Letters. 62 (2008) 4480.
3. Growth and characterization of nonlinear optical bis-(dimethylsulfoxide) cadmium mercury thiocyanate single crystal.
   C.M. Raghavan, R. Sankar, R. Mohan Kumar, R. Jayavel J.Cryst.Growth 310 (2008) 4570.
4. Growth and characterization of tetra l-lysine alanine mono hydrochloride dihydrate (TLAMHCl), a new semiorganic nonlinear optical single crystal.
   V. Siva Shankar, R. Sankar, R. Siddheswaran, R. Jayavel, P. Murugakoothan Materials Chemistry and Physics. 109 (2008) 119.
5. Growth and characterization studies of ferroelectric diglycine nitrate (DGN) single crystals.
   R. Kanagadurai, R. Sankar, G. Sivanesan, S. Srinivasan, R. Rajasekaran, R. Jayavel., Materials Chemistry and Physics. 108 (2008) 170.
6. Effect of amino acid doping on the growth and ferroelectric properties of triglycine sulphate single crystals.
   C.M. Raghavan, R. Sankar, R. Mohan Kumar, R. Jayavel., Materials Research Bulletin. 43 (2008) 305.
7. Structural, thermal, mechanical and optical properties of l-arginine diiodate crystal: A new nonlinear optical material.
   R. Sankar, R. Muralidharan, C.M. Raghavan, R. Jayavel., Materials Chemistry and Physics. 107 (2008) 51.
8. Growth and characterization of semiorganic nonlinear optical rubidium bis-dl-malato borate single crystals.
   D. Balasubramanian, R. Sankar, V. Siva Shankar, P. Murugakoothan, P. Arulmozhichelvan, R. Jayavel, Materials Chemistry and Physics. 107 (2008) 57.
9. Synthesis, growth, and characterization of nonlinear optical material l-arginine iodate crystal.
   R. Sankar, R. Muralidharan, C.M. Rahgavan, R. Mohan Kumar, R. Jayavel., Materials Letters. 62 (2008) 133.
10. Nucleation kinetics and growth of nonlinear optical bis (dimethyl sulfoxide) manganese mercury thiocyanate single crystals.
    C. M. Raghavan, R. Sankar, R. Mohan Kumar, R. Jayavel, Cryst. Res. Tech. 43 (2008) 1083.
11. Growth, spectral and thermal properties of KAP single crystals in the presence of DL- Alanine and L-Methionine amino acid dopants.
    K. Uthayarani, R. Sankar, C. K. Shashidharan Nair, Cryst. Res. Tech. 43 (2008) 733.

Year 2007

1. Growth and characterization of semiorganic nonlinear optical tetrakis thiourea nickel chloride single crystals.
   A. Bhaskaran, C. M. Ragavan, R. Sankar, R. Mohankumar, R. Jayavel, Cryst. Res. Tech. 42 (2007) 477.
2. Growth and characterization of bis-glycine sodium nitrate (BGSN), a novel semi-organic nonlinear optical crystal.
   R. Sankar, C.M. Ragahvan, R. Mohan Kumar, R. Jayavel J.Cryst.Growth. 309 (2007) 30.
3. Growth and characterization of rare earth metal ion (La, Pr, Sm) doped potassium acid phthalate single crystals.
   K.Uthayarani, R.Sankar and C.K.Shashidharan Nair, J. Curr. Sci. 10 (2007) 75.
4. Effect of divalent metal ions on the structure, optical and mechanical properties of KAP single crystals.
   K.Uthayarani, R.Sankar and C.K.Shashidharan Nair, Materials Science Research India, 4 (2007) 127.
5. Growth and Characterization of a new semiorganic nonlinear opticalThiosemicarbazide Cadmium Chloride Monohydrate (Cd(NH2NHCSNH2) Cl2.H2O) single crystals.
   R. Sankar, C.M. Raghavan, R. Mohan Kumar and R. Jayavel, J.Cryst.Growth. 305 (2007) 156.
6. Synthesis and Growth of Triaquaglycinesulfatozinc (II), a New Semiorganic Nonlinear Optical Crystal.
   R. Sankar, C. M. Raghavan, M. Balaji, R. Mohan Kumar, and R. Jayavel, Crystal Growth & Design, 7 (2007) 348.
7. Bulk growth and characterization of semi organic nonlinear optical bis thiourea bismuth chloride single crystals (BTBC).
   R. Sankar, C.M. Raghavan. R. Jayavel., Crystal Growth & Design, 7 (2007) 501.

Year 2006

1. Preparation and Characterization of ZnO Nano fibers by Electrospinning.
   R. Siddheswaran, R. Sankar, M. Ramesh babu, M. Rathnakumari, R. Jayavel, P. Murugakoothan, P. Sureshkumar, Cryst. Res. Tech. 5 (2006) 41.
2. Investigation on thermal and electrical properties of Tri Glycine Sulpho Phosphate (TGSP) and L-Asparagine doped TGSP crystals.
   M. Beatrice Margaret, R.Sankar, S. Kalainathan, R.Jayavel and T.Irusan, Cryst. Res, Tech., 6 (2006) 71.
3. Growth and spectroscopy studies of Allyl thiourea mercury chloride ATMC crystal.
   R. Siddheswaran, R. Sankar, M. Ramesh babu, M. Rathnakumari, R. Jayavel, P. Murugakoothan, P. Sureshkumar, Cryst. Res.Tech. 7 (2006) 71.
4. Growth and characterization of ferroelectric (KFe(CN)6) single crystals.
   R.Kanagadurai, R. Sankar, G. Sivanesan, S. Srinivasan,. Rajasekaran, and R. Jayavel., Cryst. Res. Technol. 41 (2006) 853.
5. Nucleation kinetics and growth of Bis thiourea cadmium acetate single crystals.
   R. Sankar, C.M. Raghavan, R. Jayavel Cryst. Res. Tech. 41(2006) 919.
6. Growth and characterization of a new semi-organic nonlinear optical crystal L-Argininehydrocholrofluroide monohydrate (LAHClF).
   R. Siddheswaran, R. Sankar, M. Rathnakumari, R. Jayavel, P. Murugakoothan, P. Sureshkumar, Surface Review and Letters. 13 (2006) 803.
7. Nucleation, growth and characterization studies of a nonlinear optical crystal–tris allylthiourea cadmium chloride (ATCC).
   R. Siddheswaran ,R. Sankar, M. Rathnakumari , R. Jayavel, P. Murugakoothan , P. Sureshkumar., Laser. Phy. Lett, 3 (2006) 588.

Year 2005

1. Metastable zone width, induction period and interfacial energy of bis thiourea zinc acetate (BTZA).
   D. Jayalakshmi, R. Sankar, R. Jayavel, J. Kumar, J. Cryst. Growth. 276 (2005) 243.

Year 2004

1. Growth, structural, optical and thermal studies of non-linear optical L-threonine single crystals.
   G. Ramesh Kumar, S. Gokul Raj, R. Sankar, R. Mohan, S. Pandi, R. Jayavel, J.Cryst.Growth. 267 (2004) 213.