Group Leader	Visited Scholar	Post-Doctors
Doctoral Students	Research Assistants	Graduate Students
Undergraduate Students

Doctoral Students

Wei-Han Tsai

Fan-Yun Chiu

V. K. Ranganayakulu

Fred Chien	Te-Chih Hsiung	Tessera Alemneh
Shih-Syun Yu

Wei-Han Tsai 蔡瑋瀚

E-mail: ham0444@gmail.com

Research Fields: Thermoelectric materials, Nano materials, Thermal conductivity measurement, Seebeck coefficient measurement, X-ray diffraction analysis

Position:

Institute of Physics, Academia Sinica
Nano Science and Technology Program, Taiwan International Graduate Program, Academia Sinica and National Taiwan University
Department of Physics, National Taiwan University
• Publication:

1. Chia-Hua Chien, Ping-Chung Lee*, Wei-Han Tsai, Chien-Hung Lin, Chih-Hao Lee1 and Yang-Yuan Chen*, 2016, “In-situ Observation of Size Dependent Transport and Thermal Properties of Bi-Sb-Te Nanowire in FIB Trimming”, Scientific Report-Nature Publishing Group, Sci. Rep. 6, 23672.

Fan-Yun Chiu 邱凡芸

E-mail: fychiu@gate.sinica.edu.tw

Education:

B.S. Department of Applied Physics, National Pingtung University of Education
M.S. Department of Physics, National Chung Hsing University

Research Fields: Specific heat, High Tc Superconductors

Position:

Institute of Physics, Academia Sinica
Nano Science and Technology Program, Taiwan International Graduate Program, Academia Sinica and National Taiwan University
Department of Physics, National Taiwan University

Publication:

1. “Magnetotransport properties of Sb2Te3 nanoflake” Yi-Chi Huang, P.C.Lee, C.H.Chien, F.Y.Chiu , Y.Y.Chen , Sergey R.Harutyunyan Physica B: Physics of Condensed Matter 452, 108-112 (2014)
2. “A comparative study of size-dependent magnetoresistance and hall resistance of Sb2Te3 nanoflakes” Ping Chung Lee, Yi-Chi Huang, C.H. Chien, F.Y. Chiu, Y.Y. Chen, Sergey R. Harutyunyan Physica B: Physics of Condensed Matter 459 12-15 (2015)
3. “Self-assisted nucleation and growth of [010]-oriented Sb2Se3 whisker :the crystal structure and thermoelectric property.” H.-J. Wu*, P.-C. Lee, F.-Y. Chiu, S.-W. Chen and Y.-Y. Chen. Journal of Materials Chemistry C, Vol.3, pp.10488-10493 (2015)

Awards:

1. “Miniaturized Thermoelectric Power Generator”
   2016中華民國物理學會研究生優良壁報論文獎 佳作
2. “The specific heat study of a nano-gram NbN crystal by 3ω Method”
   2020中華民國物理學會研究生優良壁報論文獎 佳作

Vankayala Krishna Ranganayakulu

E-mail: vkranganayakulu66@gmail.com

Education: Master of Science

Research Fields: Thermoelectrics, Superconductivity, Crystal Growth techniques

Position: Ph.D. student (2016- )

Institute of Physics, Academia Sinica
Dept. of Engineering and System Science, National Tsing Hua University
Taiwan International Graduate Program

Publication:

1. “High zT and its origin in Sb-doped GeTe single crystals”
   Ranganayakulu K. Vankayala, Tian-Wey Lan, Prakash Parajuli, Fengjiao Liu, Rahul Rao,Shih Hsun Yu, Tsu-Lien Hung, Chih-Hao Lee, Shin-ichiro Yano, Cheng-Rong Hsing,Duc-Long Nguyen, Cheng-Lung Chen, Sriparna Bhattacharya, Kuei-Hsien Chen, Min-Nan Ou, Oliver Rancu, Apparao M. Rao, and Yang-Yuan Chen, Adv. Sci.2020,7,2002494.
2. “Interfacial Stability in Bi2Te3 Thermoelectric Joints”
   Chun-Hsien Wang, Hsien-Chien Hsieh, Zhen-Wei Sun, V. K. Ranganayakulu, Tian-Wey Lan, Yang-Yuan Chen, Ying-Yi Chang, and Albert T. Wu, ACS Appl. Mater. Interfaces 2020, 12, 27001?27009.
3. “Dense rotational twins in superconducting (111)-orientated delta-NbN epitaxial films on 4H-SiC substrates”
   HW Chang, VK Ranganayakulu, SY Guan, PJ Chen, MN Ou, YY Chen, TM Chuang, CS Chang, MK Wu, MJ Wang, SUPERCONDUCTOR SCIENCE & TECHNOLOGY, 34(4), 045019.
4. “Trititanate Nanotubes as highly efficient adsorbent for fluoride removal from water: Adsorption performance and uptake mechanism”
   Prathibha Chinnakoti, Ranganayakulu K. Vankayala, Avinash L.A. Chunduri, Lakshmana Reddy Nagappagari, Shankar V. Muthukonda, Venkataramaniah Kamisetti, Journal of Environmental Chemical Engineering 4(2016) 4754-4768.
5. “Enhanced fluoride adsorption by nano crystalline c-alumina: adsorption kinetics, isotherm modeling and thermodynamic studies.”
   Prathibha Chinnakoti, Avinash L.A. Chunduri, Ranganayakulu K. Vankayala, Sandeep Patnaik, Venkataramaniah Kamisetti ,Applied Water Science volume 7, 2413–2423 (2017).

Fred Chien 錢佳華

• E-mail：chchien@phys.sinica.edu.tw
• Tel：+886-2-789-8401
• Education：B.S. in Chemistry, Fu Jen Catholic University /M.S. in Chemistry, National Taiwan Normal University
• Research Fields：To synthesize nano particles in chemical methods

Te-Chih Hsiung 熊德智

• E-mail：techi@phys.sinica.edu.tw
• Tel：+886-2-789-8357
• Education：Department of Physics, National Central University
• Research Fields：
• Publication：

1. "The general potential V(x,t) in which Airy wave packets remain nonspreading"
   Chyi-Lung Lin , Te-Chih Hsiung and Meng-Jie Huang
   EPL 83 30002 (2008)
2. "Relativistic formulation for the Doppler-broadened line profile"
   Young-Sea Huang, Juang-Han Chiue, Yi-Chi Huang, and Te-Chih Hsiung
   Phys. Rev. A 82, 010102 (2010)
3. "Enhanced surface mobility and quantum oscillations in topological insulator Bi_1.5Sb_0.5Te_1.7Se_1.3 nanoflakes"
   Te-Chih Hsiung, Ding-Yuan Chen, Li Zhao, Yi-Hsin Lin, Chung-Yu Mou, Ting-Kuo Lee, Maw-Kuen Wu, and Yang-Yuan Chen
   Appl. Phys. Lett. 103, 163111 (2013)

Tessera Alemneh

• E-mail：Alemneh.tessera@gmail.com
• Tel：+886-2-789-8401
• Education：
• Position：
• Research Fields：

Shih-Syun Yu 余世勛

• E-mail：s4901551@gmail.com
• Tel：+886-2-789-8301
• Education：Department of Materials and Optoelectronic Sceience, National Sun Yat-Sen University
• Position：Academia Sinica doctoral student
• Research Fields：