陳洋元 / 兼任研究員

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連絡資訊

學歷

  • 加州大學爾灣分校物理學博士

研究興趣

  • 低溫物理
  • 低溫比熱
  • 奈米粒子
  • 熱電材料
  • 冰凍工程

獎項及殊榮

(1) 國內學術研究獎項 2025-01 台灣物理學會會士
(2) 國內學術研究獎項 2023-10 中央研究院學術研究績效優等 中央研究院
(3) 國內學術研究獎項 2023-10 中央研究院淨零科技研發講座 中央研究院
(4) 國內學術研究獎項 2021-01-24 台灣熱電學會第二屆理事長
(5) 國內學術研究獎項 2020-12-01 第十七屆國家新創獎學研新創獎
(6) 國內學術研究獎項 2020-07 中央研究院特優學術研究獎
(7) 國際學術研究獎項 2020-02 Invited talk, 2020 TMS annual meeting, San Diego, California, 2/23–27, 2020
(8) 國內學術研究獎項 2019-12 科技部2019未來科技突破獎 本院物理研究所陳洋元研究員所帶領的研究團隊，以開發薄型熱電晶片，利用微小溫差產生之電力做為微機電系統之輔助電源，獲科技部頒發「2019未來科技突破獎」，成果並將12/5~12/8 台北世貿一館「2019未來科技展」展出。 The research team led by research fellow Dr. Yang-Yuan Chen of the Institute of Physics developed thin thermoelectric chips, using the power ge
(9) 國際學術研究獎項 2019-02 Invited talk, Symposium for the Promotion of Applied Research Collaboration in Asia, Okinawa, Japan, 2/28-3/3, 2019
(10) 國內學術研究獎項 2019-01-23 台灣熱電學會第一屆理事長
(11) 國內學術研究獎項 2019-01 Invited talk, Annual Meeting of the Physical Society of Taiwan, 1/23-25, 2019
(12) 國際學術研究獎項 2019 Outstanding research achievement award
(13) 國際學術研究獎項 2018-10 Invited talk, The 3rd Asian Conference on Thermoelectrics (ACT3), Taiwan, 10/7-9, 2018
(14) 國內學術研究獎項 2018 Academia Sinica Outstanding Research Award,研究績效優等
(15) 國際學術研究獎項 2017-02 Invited talk, 2017 TMS annual meeting in San Diego, California, USA, 2/26-3/2, 2017
(16) 國內學術研究獎項 2017 Academia Sinica Outstanding Research Award,研究績效優等
(17) 國際學術研究獎項 2016-05 Invited talk, The 35th International Conference & The 1st Asian Conference on Thermoelectricis, Wuhan, China, 5/29-6/2, 2016
(18) 國內學術研究獎項 2016 Academia Sinica Outstanding Research Award,研究績效優等
(19) 國內學術研究獎項 2015 Academia Sinica Outstanding Research Award,研究績效優等
(20) 國內學術研究獎項 2014 Academia Sinica Outstanding Research Award,研究績效優等
(21) 國內學術研究獎項 2013 Academia Sinica Outstanding Research Award,研究績效優等
(22) 國內學術研究獎項 2012 Academia Sinica Outstanding Research Award,研究績效優等
(23) 國內學術研究獎項 2011 Academia Sinica Outstanding Research Award,研究績效優等
(24) 國內學術研究獎項 2010 Outstanding Alumnus / Soochow University東吳大學傑出校友
(25) 國內學術研究獎項 2010 Academia Sinica Outstanding Research Award,研究績效優等
(26) 國內學術研究獎項 2009 Academia Sinica Outstanding Research Award,研究績效優等

經歷

  • 紐約羅轍斯特大學博士後研究
  • 本所副研究員

研究成果

期刊論文

  • [1]     P.-Y. Cheng , Mohamed Oudah, T.-L. Hung C.-M. Cheng , M.-N. Ou W.-T. Chen , C.-E. Hsu , C.-C. Chang , L. Z. Deng , J.-Y. Haung, T.-C. Liu, C.-C. Lee C.-S. Lue , Janna Machts , Kenji M. Kojima, Alannah M. Hallas , Y.-Y. Chen, C.-N. Kuo, and C.-L. Huang*, 2024, “Physical properties and electronic structure of the two-gap superconductor V2Ga5”, Physical Review Research, 6, 33253. (SCIE)

  • [2]     Cheng-Lung Chen, Cheng Huang, Sheng-Chi Chen,⁎, Yen-Chen Liub, Min-Chen Chuang, Chao-Kuang Wen, Wei-Sheng Huang, Wen-Sheng Yangf, Yang-Yuan Chen, 2024, “Fabrication of tantalum silicate films with low TCR and low resistivity by magnetron sputtering”, Vacuum, 226, 113330. (SCIE) (IF: 3.9; SCI ranking: 43.4%,32.9%)

  • [3]     Wei-Han Tsai, Cheng-Lung Chen§, Ranganayakulu K. Vankayala, Ying-Hsiang Lo, Wen-Pin Hsieh, Te-Hsien Wang, Ssu-Yen Huang, Yang-Yuan Chen*, 2024, “Enhancement of ZT in Bi0.5Sb1.5Te3 Thin Film through Lattice Orientation Management”, Nanomaterials, 2024,14,747, 747. (SCIE) (IF: 4.3; SCI ranking: 36.6%,39.9%,53.3%,29.2%)

  • [4]     Peramaiyan Ganesana*, Chandra Shekar Gantepogua, Sidharth Duraisamya, Suneesh Meledath Valiyaveettilb, Wei-Han Tsaia, Cheng-Rong Hsingc, Kung-Hsuan Lina, Kuei-Hsien Chenb, Yang-Yuan Chena, Maw-Kuen Wu*, 2024, “Carrier optimization and reduced thermal conductivity leading to enhanced thermoelectric performance in (Mg, S) co-doped AgSbTe2”, Materials Today Physics, 42, 2024, 101358, 101358. (SCIE) (IF: 9.7; SCI ranking: 12.5%,10.6%)

  • [5]     Chen Cheng-Lung, Chen Sheng-Chi, Chou Ching-Lin, Wang Te-Hsien, Chuang Min-Chen, Tang Bo-Chen, Chen Yang-Yuan, 2024, “Enhanced Thermoelectric Performance of Mg–Sn Thin Films: Role of Mg<sub>9</sub>Sn<sub>5</sub> Phase and One-Dimensional Electronic Structure”, ACS Applied Materials & Interfaces, 16(3), 3520-3531. (SCIE)

  • [6]     V.K. Ranganayakulu, ‡abc Te-Hsien Wang,‡d Cheng-Lung Chen,*ef Angus Huang,ghi Ma-Hsuan Ma,j Chun-Min Wu,k Wei-Han Tsai,ac Tsu-Lien Hung,a Min-Nan Ou,a Horng-Tay Jeng,*agi Chih-Hao Lee,b Kuei-Hsien Chen,l Wen-Hsien Li,j Madison K. Brod,m G. Jeffrey Snyder,m Yang-Yuan Chen,*an, 2024, “Ultrahigh zT from strong electron-phonon interactions and low-dimensional Fermi surface”, Energy & Environmental Science, 2024,17, 1904-1915. (SCIE) (IF: 31; SCI ranking: 2.3%,3.3%,1.4%,0.7%)

  • [7]     V.K. Ranganayakulu, Cheng-Lung Chen, Min-Nan Ou, Chih-Hao Lee,Yang-Yuan Chen *, 2022, “Boosting the thermoelectric performance of GeTe via vacancy control and engineering sintering parameters”, Materials Today Communications, 33, 104411. (SCIE) (IF: 4.5; SCI ranking: 38.2%)

  • [8]     Zhen-Wei Sun, Kai-Wen Cheng, Si-Wei Lin, V. K. Ranganayakulu, Yang-Yuan Chen, Shang-Jui Chiu, Tai-Wei Lee, and Albert T. Wu*, 2022, “Stoichiometric Effect of Sb2Te3 Thin Film on Thermoelectric Property”, ACS Applied Energy Materials, 5, 7026-7033. (SCIE) (IF: 5.6; SCI ranking: 31.3%,41.7%,30.3%)

  • [9]     Alangadu Kothandan Vivekanandan , Chen-Wei Lee, Rui-Zhe Wu , Wei-Han Tsai , Shih-Hsun Chen ,* , Yang-Yuan Chen ,* and Chia-Ting Lin, 2022, “Tailoring InSb Nanowires for High Thermoelectric Performance Using AAO Template- Assisted Die Casting Process”, Nanomaterials, 12, 1-13. (SCIE) (IF: 4.3; SCI ranking: 36.6%,39.9%,53.3%,29.2%)

  • [10]     207.Fan-Yun Chiu,Tsu-Lien Hung&, Cheng-Yen Liu, Ya-Hsin Pai, Wei Liang Chien, Peng-Jen Chen,Ting-Kuo Lee, Ming-Jye Wang, Min-Nu Ou#, Chang C. Tsuei,Maw-Kuen Wu, Chia-Seng Chang, Yang-Yuan Chen*, 2022, “Absence of Superconductivity inm-Size ε-NbN Single Crystal”, Physical Review B, 105, 174512-1-174512-8. (SCIE) (IF: 3.7; SCI ranking: 46.1%,34.8%,38.8%)

  • [11]     Cheng-Lung Chen#, Te-Hsien Wang, Zih-Gin Yu, Yohanes Hutabalian, Ranganayakulu K.Vankayala, Chao-Chih Chen, Wen-Pin Hsieh, Horng-Tay Jeng, Da-Hua Wei, Yang-Yuan Chen*, 2022, “Modulation doping enables ultrahigh power factor and thermoelectric ZT in n-type Bi2Te2.7Se0.3”, Advanced Science, 2022, 2201353. (SCIE) (IF: 14.1; SCI ranking: 9.1%,7.9%,11.2%)

  • [12]     205.Safdar Imam a, b , Khasim Saheb Bayikadi b , Mohammad Ubaid c , V.K. Ranganayakulu b , Sumangala Devi b , Bhalchandra S. Pujari d , Yang-Yuan Chen b , Li-Chyong Chen e , Kuei-Hsien Chen f , Feng-Li Lin a, **, Raman Sankar b, *, 2021, “Achieving synergistic performance through highly compacted microcrystalline rods induced in Mo doped GeTe based compounds”, Materials Today Physics, 22, 100571. (SCIE) (IF: 9.7; SCI ranking: 12.5%,10.6%)

  • [13]     T.L. Hung*, C.H. Huang*, L.Z. Den2*, M.N. Ou, Y.Y. Chen and M.K. Wu+, S.Y. Huyan and C.W. Chu, P.J. Chen, T.K. Lee, 2021, “Pressure induced superconductivity in MnSe”, Nature Communication, 12, 5436. (SCIE) (IF: 15.7; SCI ranking: 10.8%)

  • [14]     202.Chang, Hsiao-Wen; Ranganayakulu, Vankayala; Guan, Syu-You; Chen, Peng-Jen; Ou, Min-Nan; Chen, Yang-Yuan; Chuang, Tien-Ming; Chang, C; Wu, Maw-Kuen; Wang, Ming-Jye, 2021, “Dense Rotational Twins in Superconducting (111)-orientated δ-NbN Epitaxial Films on 4H-SiC Substrates”, Superconductor Science and Technology, 34, 045019. (SCIE) (IF: 4.2; SCI ranking: 31.1%,37.3%)

  • [15]     Dedi*, Ping-Chung Lee, Pai-Chun Wei and Yang-Yuan Chen, 2021, “Thermoelectric characteristics of a single-crystalline topological insulator Bi2Se3 nanowire”, Nanomaterials, 11, 819. (SCIE) (IF: 4.3; SCI ranking: 36.6%,39.9%,53.3%,29.2%)

  • [16]     Ashoka Karunarathne , Prakash Parajuli , Gautam Priyadarshan , Sriparna Bhattacharya ,* Rahul Rao ,Pai-Chun Wei , Yang-Yuan Chen, Joseph R. Gladden ,† and Apparao M. Rao, 2021, “Anisotropic elasticity drives negative thermal expansion in monocrystalline SnSe”, Physical Review B, 103, 054108-1-054108-8. (SCIE) (IF: 3.7; SCI ranking: 46.1%,34.8%,38.8%)

  • [17]     Tung, Yang-Hsiang; Chen, Yi-Jung; Yang, Chun-Chuen; Weng, Cheng-Yu; Huang, Yen-Kai; Chen, Yang-Yuan; Wu, Maw-Kuen, 2021, “Size effect on multiferroicity of GdMn2O5 nanorods”, Chinese Journal of Physics, 70, 336-341. (SCIE) (IF: 4.6; SCI ranking: 25.9%)

  • [18]     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, 「Yang-Yuan Chen,*」, 2020, “High zT and its origin in Sb-doped GeTe single crystals”, Advanced Science, 2020, 2002494. (SCIE) (IF: 14.1; SCI ranking: 9.1%,7.9%,11.2%)

  • [19]     199.Shih-Chieh Hsu, Jhen-Yong Hong, Cheng-Lung Chen, Sheng-Chi Chen*, Jia-Han Zhen, Wen-Pin Hsieh, Yang-Yuan Chen, Tung-Han Chuang, 2020, “The structures and thermoelectric properties of Zn-Sb alloy films fabricated by electron beam evaporation through an ion beam assisted deposition”, Applied Surface Science, 540, 148264. (SCIE) (IF: 6.9; SCI ranking: 25.2%,9.5%,15.5%,22.4%)

  • [20]     197.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*, 2020, “Interfacial Stability in Bi2Te3 Thermoelectric Joints”, ACS Appl. Mater. Interfaces, 2020, 12, 27001-27009.

  • [21]     Tian-Wey Lan, Kai-Han Su, Chung-Chieh Chang, Cheng-Lung Chen, Chi-Liang Chen, Min-Nan Ou, Dong-Ze Wu, Phillip M. Wu, Maw-Kuen Wu* and Yang-Yuan Chen*, 2020, “Enhancing the Figure of Merit in Thermoelectric Materials by Adding Silicate Aerogel”, Materials Today Physics, v13, 2020,100215. (SCIE) (IF: 9.7; SCI ranking: 12.5%,10.6%)

  • [22]     H. C. Hsieh, C.H. Wang, T.W. Lan, T.H. Lee, Yang-Yuan Chen, H. S. Chu, Albert T. Wu*, 2020, “Joint properties enhancement for PbTe thermoelectric materials by addition of diffusion barrier”, Materials Chemistry and physics, 246, 122848. (SCIE) (IF: 4.7; SCI ranking: 34.1%)

  • [23]     Shih-Hsun Yu, Min-Nan Ou*, Mitch M. C. Chou*, Yang-Yuan Chen*, 2019, “The zero Cu valence and Superconductivity in high quality CuxBi2Se3 crystal”, PHYSICAL REVIEW B, 100, 174502 (2019). (SCIE) (IF: 3.7; SCI ranking: 46.1%,34.8%,38.8%)

  • [24]     Pai-Chun Wei*, Cheng-Xun Cai, Cheng-Rong Hsing, Ching-Ming Wei,3 Shih-Hsun Yu, Hsin-Jay Wu, Cheng-Lung Chen*, Da-Hua Wei, Duc-Long Nguyen, Mitch M.C. Chou, Yang-Yuan Chen*, 2019, “Enhancing thermoelectric performance by Fermi level tuning and thermal conductivity degradation in (Ge1-xBix)Te crystals”, SCIENTIFIC REPORTS, 9,8616 (2019). (SCIE) (IF: 3.9; SCI ranking: 29.7%)

  • [25]     Pai-Chun Wei, Sriparna Bhattacharya, Yu-Fei Liu, Fengjiao Liu, Jian He, Yung-Shiang Tung, Chun-Chuen Yang, Cheng-Rong Hsing, Duc-Long Nguyen, Ching-Ming Wei, Mei-Yin Chou, Yen-Chung Lai, Tsu-Lien Hung, Syu-You Guan, Chia-Seng Chang, Hsin-Jay Wu, Chi-Hung Lee, Wen-Hsien Li, Raphael P. Hermann, Yang-Yuan Chen, * Apparao M. Rao*, 2019, “Thermoelectric figure-of-merit of fully dense single crystalline SnSe”, ACS Omega, 4, 5442-5450, 2019. (SCIE) (IF: 4.3; SCI ranking: 36.6%)

  • [26]     Sarita Devi Sharma, B. Khasimsaheb, Y.Y. Chen, S. Neeleshwar⁎, 2019, “Enhanced thermoelectric performance of Cu2ZnSnS4 (CZTS) by incorporating Ag nanoparticles”, Ceramics International 45, 2060-2068, 2019, 45, 2060-2068, 2019.

  • [27]     F. Liu, P. Parajuli, R. Rao,* P.C. Wei, A. Karunarathne, S. Bhattacharya, R. Podila, J. He, B. Maruyama, G. Priyadarshan, J. R. Gladden, Y. Y. Chen, A. M. Rao*, 2018, “Phonon Anharmonicity in Single Crystalline SnSe”, Phys. Rev. B, 98, 224309, 2018. (SCIE) (IF: 3.7; SCI ranking: 46.1%,34.8%,38.8%)

  • [28]     Ashoka Karunarathne, Joseph R. Gladden*, Gautam Priyadarshan, Pai-Chun Wei,Tsu-Lien Hung, Prakash Parajuli, Sriparna Bhattacharya*, Yang-Yuan Chen, and Apparao M. Rao, 2018, “Room Temperature Resonant Ultrasound Spectroscopy of Single Crystalline SnSe”, ACS Appl. Energy Materials. 1, 6123-6128, 2018, 1, 6123-6128.

  • [29]     Chun-Yang Cheng, Ya-Chu Yang, Yi-Zhen Zhong, Yang-Yuan Chen, Tung Hsu, Jien-Wei Yeh*, 2017, “Physical metallurgy of concentrated solid solutions from low-entropy to high-entropy alloys”, Current Opinion in Solid State and Materials Science, 21, 299–311,. (SCIE) (IF: 13.4; SCI ranking: 8.5%,6.2%,10.4%)

  • [30]     Xuejie Zhang, Mu-Huai Fang,Yi-Ting Tsai, Agata Lazarowska,* Sebastian Mahlik, Tadeusz Lesniewski, Marek Grinberg, Wei Kong Pang, Fengjuan Pan,Chaolun Liang, Wuzong Zhou,Jing Wang, Jyh-Fu Lee, Bing-Ming Cheng, Tsu-Lien Hung, Yang-Yuan Chen, and Ru-Shi Liu*, 2017, “Controlling of Structural Ordering and Rigidity of β-SiAlON:Eu through Chemical Cosubstitution to Approach Narrow-Band-Emission for Light-Emitting Diodes Application”, Chem. Mater, 29, 6781-6792. (SCIE) (IF: 7; SCI ranking: 23.9%,21.9%)

  • [31]     Chia-Hua Chien, Chung-Chieh Chang, Cheng-Lung Chen,* Chuan-Ming Tseng, Yu-Ruei Wu, Maw-Kuen Wu, Chih-Hao Lee and Yang-Yuan Chen*, 2017, “Facile chemical synthesis and enhanced thermoelectric properties of Ag doped SnSe nanocrystals”, RSC advances, 7, 34300-34306. (SCIE) (IF: 4.6; SCI ranking: 34.3%)

  • [32]     Chia-Hsiang Chang, Cheng-Lung Chen*, Wan-Ting Chiu, Yang-Yuan Chen*, 2017, “Enhanced thermoelectric properties of Cu3SbSe4 by germanium doping”, Materials Letters, 186, 227-230. (SCIE) (IF: 2.7; SCI ranking: 61.2%,50.9%)

  • [33]     Pai-Chun Wei, S. Bhattacharya, J. He, S. Neeleshwar, R. Podila, Y. Y. Chen*, 2016, “The intrinsic thermal conductivity of SnSe ”, NATURE, 3 Nov 2016 Vol 539, E1. (SCIE) (IF: 48.5; SCI ranking: 2.7%)

  • [34]     176. Wan-Ting Chiu, Cheng-Lung Chen*, and Yang-Yuan Chen*, 2016, “A strategy to optimize the thermoelectric performance in spark plasma sintering process”, Scientific Report-Nature Publishing Group, Sci. Rep. 6, 23143.

  • [35]     177. 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.

  • [36]     174. Pai-Chun Wei*, Ta-Sung Huang, Shu-Wei Lin, Guang-Yu Guo, Yang-Yuan Chen*, 2015, “Thermoelectric properties optimization of Fe2VGa by tuning electronic density of states via titanium doping”, JOURNAL OF APPLIED PHYSICS, 118, 165102, 2015. (SCIE) (IF: 2.5; SCI ranking: 54%)

  • [37]     173. 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, and Yang-Yuan Chen*, 2015, “Enhancement of thermoelectric figure of merit in β-Zn4Sb3 by indium doping control”, APPLIED PHYSICS LETTERS, 107, 123902. (SCIE) (IF: 3.6; SCI ranking: 35.4%)

  • [38]     170. Ping Chung Lee, Yi-Chi Huang, C.H. Chien, F.Y. Chiu, Y.Y. Chen, Sergey R. Harutyunyan, 2015, “A comparative study of size-dependent magnetoresistance and hall resistance of Sb2Te3 nanoflakes”, Physica B: Physics of Condensed Matter, 459, 12–15. (SCIE) (IF: 2.8; SCI ranking: 50.7%)

  • [39]     169. Te-Chih Hsiung* ,Chung-Yu Mou, Ting-Kuo Lee, and Yang-Yuan Chen*, 2015, “Surface-Dominated Transport and Enhanced Thermoelectric Figure of Merit in Topological Insulator Bi1.5Sb0.5Te1.7Se1.3”, Nanoscale, 7, 518-523. (SCIE) (IF: 5.1; SCI ranking: 30.3%,32.1%,41.1%,22.4%)

  • [40]     Peng, Dong Ze; Chen, Shih-Yun; Chen, Chi Liang; Gloter, Alexandre; Huang, Fei-Ting; Dong, Chung-Li; Chan, Ting-Shan; Chen, Jin-Ming; Lee, Jyh-Fu; Lin, Hong-Ji; Chen, Chien-Te; Chen, Yang-Yuan, 2014, “Understanding and tuning electronic structure in modified ceria nanocrystals by defect engineering”, Langmuir, 30, 10430-10439. (SCIE) (IF: 3.9; SCI ranking: 39.4%,44.8%,43.4%)

  • [41]     Yi-Chi Huang, P.C.Lee, C.H.Chien, F.Y.Chiu , Y.Y.Chen , Sergey R.Harutyunyan*, 2014, “ Magnetotransport properties of Sb2Te3 nanoflake”, Physica B: Physics of Condensed Matter, 452, 108-112. (SCIE) (IF: 2.8; SCI ranking: 50.7%)

  • [42]     Dedi*, Chia-Hua Chien, Te-Chih Hsiung, Yu-Chieh Chen, Yi-Cheng Huang, Ping-Chung Lee , Chih-Hao Lee, and Yang-Yuan Chen*, 2014, “Structural, electronic transport and magnetoresistance of a 142 nm lead telluride nanowire synthesized using stress-induced growth”, AIP Advances, 4, 057111. (SCIE) (IF: 1.4; SCI ranking: 84%,92.5%,78.9%)

  • [43]     172. C. C. Li, F. Drymiotis , L. L. Liao, M. J. Dai, C. K. Liu, C. L. Chen, Y. Y. Chen, C. R. Kao, G. J. Snyder, 2014, “Silver as a highly effective bonding layer for lead telluride thermoelectric modules assembled by rapid hot-pressing”, ENERGY CONVERSION AND MANAGEMENT, 98, 134-137, 2015. (SCIE) (IF: 10.9; SCI ranking: 12.5%,2.9%,3.2%)

  • [44]     Bruce Yao Wen Liu, Cheng-Lung Chen*, Shin-Yu Lee , Fu-Hsiung Chang, , 2014, “The in vivo photothermal treatment of gold nanorod in themouse ear model”, Biomaterials and Biomedical Engineering, 1, 41-50.

  • [45]     Cheng-Lung Chen*, Heng Wang, Yang-Yuan Chen, G. Jeffrey Snyder*, 2014, “Thermoelectric properties of p-type polycrystalline SnSe doped with Ag”, JOURNAL OF MATERIALS CHEMISTRY A, 2, 1117-11176. (SCIE) (IF: 9.5; SCI ranking: 17.8%,15.8%,13.1%)

  • [46]     Rajeshkumar Mohanraman* , Raman Sankar4, Karunakara Moorthy Boopathi,, 2014, “Influence of In doping on the thermoelectric properties of AgSbTe2 compound with enhanced figure of merit”, JOURNAL OF MATERIALS CHEMISTRY A, 2, 2839-2844. (SCIE) (IF: 9.5; SCI ranking: 17.8%,15.8%,13.1%)

  • [47]     M. N. Ou*, K. Gofryk, R. E. Baumbach, S. S. Stoyko, J. D. Thompson, J. M. Lawrence, E. D. Bauer, F. Ronning,A. Mar, and Y. Y. Chen *, 2013, “Hole doping effect on superconductivity in Ce(Co1−xRux)In5”, PHYSICAL REVIEW B, 88,19513. (SCIE) (IF: 3.7; SCI ranking: 46.1%,34.8%,38.8%)

  • [48]     Te-Chih Hsiung*, Ding-Yuan Chen, Li Zhao, Yi-Hsin Lin, Chung-Yu Mou, Ting-Kuo Lee, Maw-Kuen Wu, and Yang-Yuan Chen*, 2013, “Enhanced Surface Mobility and Quantum Oscillations in Topological Insulator Bi1.5Sb0.5Te1.7Se1.3 Nanoflakes”, APPLIED PHYSICS LETTERS, 103, 163111. (SCIE) (IF: 3.6; SCI ranking: 35.4%)

  • [49]     Rajeshkumar Mohanraman*, Raman Sankar, F. C. Chou, C.H Lee and Yang-Yuan Chen*, 2013, “Enhanced thermoelectric performance in Bi-doped p-type AgSbTe2 compounds”, JOURNAL OF APPLIED PHYSICS, 114,163712. (SCIE) (IF: 2.5; SCI ranking: 54%)

  • [50]      HUI-MIN LIN, YU-CHIN TSENG, CHIH-TING CHEN, CHUNG-CHI LIN, YUAN-TSEH LEE AND YANG-YUAN CHEN*, 2013, “USE of Liquid Nitrogen To Treat Solenopsis invicta”, Florida Entomologist, 96(3),871-876. (SCIE) (IF: 1.2; SCI ranking: 53%)

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  • [77]     Cheng-Lung Chen, Yang-Yuan Chen*, Su-Jien Lin, James. C. Ho, Ping-Chung Lee,Chii-Dong Chen, and Sergey R. Harutyunyan, 2010, “Fabrication and Characterization of Electrodeposited Bismuth Telluride”, J. Phys. Chem. C, 114, 3385-3389. (SCIE) (IF: 3.2; SCI ranking: 50.9%,52.8%,65.4%)

  • [78]     Cheng-Lung Chen*, Ling-Ru Guo, Yang-Yuan Chen*, Yeh-Kuang Hwu, Ching-Lin Chang, Shin-Yu Lee, Kowa Chen,Su-Jien Lin and Jing-Duan Huang , 2010, “In situ real-time investigation of cancer cell photothermolysis mediated by excited gold nanorod surface plasmons”, Biomaterials, 31, 4104-4112. (SCIE) (IF: 12.9; SCI ranking: 4.1%,4.8%)

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  • [83]     H. H. Sung, H. H. Wu, K J Syu1, W. H. Lee and Y. Y. Chen, 2009, “A new Kondo antiferromagnet Ce(Ni0.25In1.75)”, JOURNAL OF PHYSICS-CONDENSED MATTER, 21, 176004. (SCIE) (IF: 2.6; SCI ranking: 55.2%)

  • [84]     M. N. Ou, T. J. Yang, and Y. Y. Chen, 2009, “Anisotropic magnetism and magnetoresistance in iron nanowire arrays”, Chinese Journal of Physics, 47, 848-853. (SCIE) (IF: 4.6; SCI ranking: 25.9%)

  • [85]     Shang-Wei Chou, Chun-Ling Zhu, Sonnathi Neeleshwar, Cheng-Lung Chen,, 2009, “Controlled Growth and Magnetic Property of FePt Nanostructure Cuboctahedron, Octapod, Truncated Cube, and Cube”, Chemistry of materials, 21,4955-4961. (SCIE) (IF: 7; SCI ranking: 23.9%,21.9%)

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  • [88]     Chung-Li Dong, Chi-Liang Chen, Kandasami Asokan*, Ching-Lin Chang, Yang-Yuan Chen, Jyh-Fu Lee, and Jinghua Guo, 2009, “Thickness-Dependent Electronic Structure of Intermetallic CeCo2 Nanothin Films Studied by X-ray Absorption Spectroscopy””, Langmuir, 25(13), 7568–7572. (SCIE) (IF: 3.9; SCI ranking: 39.4%,44.8%,43.4%)

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  • [93]     Jun Zhong, Jauwern Chiou, Chunli Dong, Li Song, Chang Liu, Sishen Xie, Huiming Cheng, , 2008, “Probing Quantum Confinement of Single-Walled Carbon Nanotubes by Resonant Soft-X-Ray Emission Spectroscopy”, APPLIED PHYSICS LETTERS, 93, 023107. (SCIE) (IF: 3.6; SCI ranking: 35.4%)

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  • [117]     S. Neeleshwar, C. L. Chen, C. B. Tsai and Y. Y. Chen*, C. C. Chen S. G. Shyu, M. S. Seehra, 2005, “ Size dependence properties of CdSe quantum dots”, Phys. Rev. B rapid communication, 71, 201307 ( R).

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學術會議(研討會)論文

  • [1]     Y. Y. Chen*, 2010, “ZT enhancement in thermoelectric Bi2Te3 Nanowires and nanostructure composite”, paper presented at The 11th Asia Pacific Physics Conference, Shanghi: Association of Asia Pacific Physical Societies (AAPPS) and the Chinese Physical Society (CPS), 2010-11-14 ~ 2010-11-18.

  • [2]     Y. H. Lin*, C. L. Dong, S. H. Wua, Y. Y. Chen*, 2010, “Quantum Size effects on mixed-valence compound CePd3”, paper presented at SCES 2010, Santa Fe, New Mexico, USA: Strongly Correlated Electron Systems, 2010-06-27 ~ 2010-07-02.

  • [3]     C. -L. Chen*, Y. -Y. Chen, S. -J. Lin, J. C. Ho, P. -C. Lee, C. -D. Chen, S. R. Harutyunyan, 2010, “Fabrication and characterization of electrodeposited bismuth telluride films and nanowires”, paper presented at ICT 2010, Shanghi: 中國科學院, 2010-05-29 ~ 2010-06-04.

  • [4]     M. N. Ou*, C. L. Chen, P. C. Lee, T. C. Hsiung, L. J. Chou, C. L. Hung, Y. Y. Chen, 2010, “The techniques and measurements of thermal properties of a single nanowire”, paper presented at ICT 2010, Shanghi: 中國科學院, 2010-05-29 ~ 2010-06-04.

  • [5]     Y.Y. Chen, 2008, “Magnetism, Kondo interactions and superconductivity in Ce-based compunds CeM2 (M=Al, Pt, Co, Ru) and CePd2Si2 nanoparticles”, paper presented at 2008 Taiwan International Conference on Superconductivity (TICS) & the 9th Workshop on on Low-temperature Physics (WLTP), Taiwan: Nantou county, 2008-07-07 ~ 2008-07-10.

  • [6]     Y.Y. Chen, 2008, “Ferromagnetism in semiconductor FeSi2 and Capped CdSe Quantum Dots”, paper presented at 97年台灣磁性技術協會年會暨第二十屆磁學與磁性技術研討會, Taipei: 台灣磁性技術協會年會, 2008-06-30 ~ 2008-07-01.

  • [7]     Y.Y. Chen, 2008, “熱電致冷與廢熱發電節能技術研討會”, paper presented at 台灣熱管理協會, 台灣: 台灣熱管理協會, 2008-06-11.

  • [8]     M.-N. Ou, Y. Y. Chen, M. K. Wu, T.J. Yang, P. C. Lee, , 2008, “Thermal and transport properties of a single nickel nanowires”, paper presented at APS March Meeting 2008, New Orleans, Louisiana: New Orleans, Louisiana, 2008-03-10 ~ 2008-03-14.

  • [9]     C.L. Chen, Y.Y. Chen, P. C. Lee, C. T. Chen, S. R. Harutyunyan, S. J. Lai, C. D. Chen, S. J. Lin, 2008, “Thermoelectric properties of Bi2Te3 films and nanowire arrays”, paper presented at APS March Meeting 2008, New Orleans, Louisiana: New Orleans, Louisiana, 2008-03-10 ~ 2008-03-14.

  • [10]     C.T. Chen, P.C. Lee, Y.Y. Chen, S. R. Harutyunyan, 2008, “A setup for simultaneously measureing the thermopower and electrical conductivity of m-thickness specimens”, paper presented at APS March Meeting 2008, 1: 1, 2008-01-01.

  • [11]     P.C. Lee, C.L. Chen, M.N. Ou, S. R. Harutyunyan, Y.Y. Chen, 2008, “Thermal conductivity measurements of Bi2Te3 nanowire arrays in anodic aluminum oxide template by 3ω method”, paper presented at APS March Meeting 2008, 01: 01, 2008-01-01 ~ 2008-01-1.

  • [12]     Y.Y. Chen, 2008, “From thermodynamic properties of quantum dots to thermal transport properties of quantum wires”, paper presented at Annual meeting of Chinese physical society, Taiwan: Hsinchu, 2008.

  • [13]     Y.Y. Chen, 2007, “Superconductivity and magnetism in nanoparticles”, paper presented at The topic program on Superconductivity and Magnetism at Nanoscale: Effects of quantum fluctuations and disorder, 1: 1, 2007-12-16.

  • [14]     Y. Y. Chen, 2007, “Physical properties in nanoparticles and nanowires”, paper presented at Workshop on Nanosciences, Nanosciences: Nanosciences, 2007-10-05.

  • [15]     M. N. Ou, S. R. Harutyunyan, S. J. Lai, C. D. Chen, T. J. Yang and Y. Y. Chen, 2007, “Thermal and transport properties of a single nickel nanowires”, paper presented at The 1st International Symposium on Advanced Magnetic Materials and Applications, Jeju island, Korea: Jeju island, Korea, 2007-06-28 ~ 2007-07-01.

  • [16]     Y.Y. Chen, 2007, “Low-Magnetoresistance RuO2-Al2O3 Thin Film Thermometer and its Application”, paper presented at TEMPMEKO, Calgary, Canada: Calgary, Canada, 2007-05-21 ~ 2007-05-27.

  • [17]      Y.Y. Chen, 2007, “Eradication of fire ants using liquid nitrogen and heated gas pulses”, paper presented at 2007 Fire ant conference, Gainesville, USA: Gainesville, USA, 2007-04-23 ~ 2007-04-26.

  • [18]      Y.Y. Chen, 2007, “Disorder and size effects on Kondo interactions and magnetic correlations in CePt2 nanocrystals”, paper presented at Mesoscopic and Spin Physics Workshop, 1: 1, 2007-01-11.

  • [19]     Y.Y. Chen, 2007, “Thermoelectric properties of Bi2Te3 nanowire arrays and thin films growth by potentiostatic electrodeposition”, paper presented at Annual meeting of Chinese physical society, Hsinchu, Taiwan: Hsinchu, Taiwan, 2007-01-23.

  • [20]     Y.Y. Chen*, P. H. Huang, M. N. Ou, C.R. Wang, Y. D. Yao, T. K. Lee, M.Y. Ho, J. M. Lawrence and C. H. Booth, 2007, “Disorder and quantum size effects on Kondo interactions and magnetic correlation in CePt2”, paper presented at 2007 APS march meeting, Denver, USA: Denver, USA, 2007-3-13 ~ 2007-3-17.

  • [21]     Yang-Yuan Chen*, Hui-Min Lin, Yu-Ching Tseng, C. T. Chen, C. J. Ma, C.C. Lin, 2007, “Eradication of fire ants ( Solenopsis invicta ) using liquid nitrogen and heated gas pulses”, paper presented at 2007 Fire ant conference, Gainesville, USA: Gainesville, USA, 2007-4-23 ~ 2007-4-27.

  • [22]     Y.Y. Chen*, P.C. Chen, C. B. Tsai, K.I. Suga and K. Kindo, 2007, “RuO2-Al2O3 Composite Thin Film Thermometer and its Thermodynamic Applications”, paper presented at TEMPMEKO 2007, Calgary, Canada: Calgary, Canada, 2007-5-21 ~ 2007-5-27.

  • [23]     Eva Yi-Fan Huang, Po-Yung Lai, William Wei-Lien Chyi, Kevin Tsair-Bor Yen, Yang-Yuan Chen, 2007, “Utilization of odor sensibility of dogs in detecting the red imported fire ant ( Solenopsis invicta ) in Taiwan”, paper presented at 2007 Fire ant conference, Gainesville, USA: Gainesville, USA, 2007-4-23 ~ 2007-4-26.

  • [24]     Y.Y. Chen, 2006, “Specific heat measurements in magnetic field and high pressure”, paper presented at Symposium on Science and Facility in High Magnetic Field, Taipei, Taiwan: Taipei, Taiwan, 2006-08-12 ~ 2006-08-14.

  • [25]     Y.Y. Chen, 2006, “The novel thermodynamic properties in nanoparticles and nanowires”, paper presented at Annual meeting of Chinese physical society, Chinese: Chinese, 2006-01-16 ~ 2006-01-17.

  • [26]     Y. Y. Chen*, P. H. Huang and M. N. Ou, J. M. Lawrence, C. H. Booth, 2006, “Disorder and size effects in Kondo lattice nanoparticles”, paper presented at 2006 APS march meeting, Baltimore, USA: Baltimore, USA, 2006-3-13 ~ 2006-3-17.

  • [27]     Y.Y. Chen* , C. B. Tsai, Y.H. Wang, S. Neeleshwar, P.C. Lee and C. R. Wang , 2006, “Size dependence of superparamagnetic and anisotropic properties in β-FeSi2 nanoparticles”, paper presented at International Conference on Magnetism, Kyoto, Japan: Kyoto, Japan, 2006-8-20 ~ 2006-8-25.

  • [28]     C.L. Chen, Y. Y. Chen, 2006, “Thermodynamic Properties of Bi2Te3 Nanowire Arrays”, paper presented at Sixteenth Symposium on Thermophysical Properties, Boulder, Co. USA: Boulder, Co. USA, 2006-8-2 ~ 2006-8-4.

  • [29]     Y.Y. Chen*, P.H.Huang, C.T. Chen, and P.C. Lee, J.M. Lawrence, and C.H. Booth, 2005, “Size and alloying effects on magnetic interactions in CePt2+x (x=0,0.5 and 1)”, paper presented at 2005 APS march meeting, Loa Angela, California: Loa Angela, California, 2005-3-24 ~ 2005-3-28.

  • [30]     Y.Y. Chen*, T.S. Houng, and B.J. Chen, 2005, “Size Effects On Superconductivity And Magnetism in CeRu2”, paper presented at 24th international Conference on Low Temperature Physics, Orelando, Florida: Orelando, Florida, 2005-8-10 ~ 2005-8-17.

  • [31]     陳洋元, 2004, “ 新穎奈米熱電材料之研發及其於再生能源之應用”, paper presented at 奈米先進材料研討會, 台北科技大學: 台北科技大學, 2004-11-15.

  • [32]     Y.Y. Chen, 2004, “Thermodynamic properties in nanoparticles”, paper presented at The Sixth Taipei Symposium on Surfaces, Thin Films and Nano Sciences, Taipei, Taiwan: Taipei, Taiwan, 2004-08-17 ~ 2004-08-19.

  • [33]     Y.D. Yao, Y.Y. Chen, K.W. Cheng, J. L. Tsai, S.F. Lee and Y. Liu, 2004, “ Magnetoresistance and microscopy studies in U-shape-patterned permalloy nano-wires”, paper presented at 2004 Internah/MMM joint Conference, Anaheim: Anaheim, 2004-01-05 ~ 2004-01-09.

  • [34]     P. Kahol, J. Ho, S. Deterich, Y.Y. Chen, C.R. Wang, S. Neeleshwar, C. B. Tsai and B. Wessling, 2004, “Heat capacity, magnetic susceptibility, EPR, and dc conductivity of some conducting polymers”, paper presented at 2004 APS march meeting, Montreal, Canada: Montreal, Canada, 2004-3-22 ~ 2004-3-26.

  • [35]     C. H. Booth, S.-W. Han, E. D. Bauer P.H. Huang, Y.Y. Chen, J.M. Lawrence, 2004, “Lattice disorder and size-induced Kondo behavior in CeAl2 and CePt2+x ”, paper presented at 2004 APS march meeting, Montreal, Canada: Montreal, Canada, 2004-3-22 ~ 2004-3-26.

  • [36]     Y. Y. Chen*,, C.R. Wang and P.H.Huang, 2004, “Substitution and size effects on magnetic prperties in CePt2+x”, paper presented at 2004 APS march meeting, Montreal, Canada: Montreal, Canada, 2004-3-22 ~ 2004-3-26.

  • [37]     Y.Y. Chen, 2002, “Low-temperature Composite Sapphire-RuO2 Thermometer and Its Application in Heat Capacity Measurements”, paper presented at 8th Temperature Symposium, Chicago, Illinois: Chicago, Illinois, 2002-10-21 ~ 2002-10-24.

  • [38]     Y.Y. Chen, 2002, “Size effect on superconductivity and magnetism in CeCo2 and CePt2”, paper presented at RIKEN-Taiwan workshop on Nano-Science & Nano-technology, Tokyo, Japan: Tokyo, Japan, 2002-10-09 ~ 2002-10-10.

  • [39]      Y. Y. Chen*,, C.R. Wang, and P.H. Huang, 2002, “Magneticproperties in CePt2+x nanoparticles”, paper presented at The 2002 international Conference on Science and Technology of Synthetic Metals, Shanghai, China: Shanghai, China, 2002-6-29 ~ 2002-7-05.

  • [40]     Y. Y. Chen*,, C.R. Wang, M.N. Ou, P.H. Huang and J.C. Ho, 2002, “Transitions of magnetic order and Kondo behavior in Ce3Al11”, paper presented at The 23rd international Conference on Low Temperature Physics, Hiroshima, Japan: Hiroshima, Japan, 2002-8-20 ~ 2002-8-27.

  • [41]     C.R. Wang, Y.Y. Chen, Y.D. Yao, 2001, “Magnetic properties and superconductivity in CeCo2 nanoparticle”, paper presented at 2001 March Meeting of the American Physical Society, Seattle,WA.: Seattle,WA., 2001-01-01.

  • [42]     Y.K. Chang, Y.H. Cheng, W.F. Pong, M.H. Tsai and Y.Y. Chen, 2000, “The Effect of Annealing Time on the Electronic and Atomic Structures of the Fe-Cu-Nb-Si-B ”, paper presented at 8th International Conference on Electronic Spectroscopy and Structure, Berkeley, CA: Berkeley, CA, 2000-08-08 ~ 2000-08-12.

  • [43]     Y.Y. Chen, 1999, “Quantum Size Effects in metal, superconductor and Heavy Fermion Nanoparticles”, paper presented at 1999 Taiwan International Conference on Superconductivity & 6th Workshop on Low, Kenting, Taiwan: Kenting, Taiwan, 1999-08-17 ~ 1999-08-20.

  • [44]     Y.Y. Chen, 1998, “Heavy Fermion Behavior in CeAl2 Nanoparticles”, paper presented at (Fourth International Confeence on Nanostructured Materials, Stockom, Sweaden: Stockom, Sweaden, 1998-06-14 ~ 1998-06-19.

  • [45]     Y.Y. Chen, Y.D. Yao, T.K. Lee, 1998, “Heavy-fermion behavior in CeAl2 Nanocrystals”, paper presented at 1998 March Meeting of the American Physical Society, Los Angeles,California: Los Angeles,California, 1998-01-01.

  • [46]     J.C. Ho, A. Raghunathan, Y.Y. Chen , Y.D.Yao, Y.S. Lin and B. Wessling, 1998, “Low temperature specific heats of PANI and PANI-PMMA blends”, paper presented at 1998 March Meeting of the American Physical Society, Los Angeles,California: Los Angeles,California, 1998-01-01.

  • [47]     C.R. Wang, Y.Y. Chen, Y.D. Yao,S.F. Pan, J.C. Ho and C.L. Chang, 1998, “ Size Dependence of Heavy Fermion Behavior in CeAl2”, paper presented at 22nd International Conference on Low Temperature Physics., Espoo and Helsinki, Finland,: Espoo and Helsinki, Finland,, 1998-8-04 ~ 1998-8-11.

  • [48]     J.C. Ho, W.H. Lee, H.K.Zeng, Y.Y. Chen and Y.D.Yao, 1997, “Calorimetric Studies of Superconducting (La1-xThx)NiC2(x=0.1-0.9)”, paper presented at 1997 March Meeting of the American Physical Society, Kansas City, Missouri: Kansas City, 1997-03-01.

  • [49]      J.C. Ho, Y.Y. Chen, Y.D. Yao, W.S. Huang, S.R. Sheen, J.C. Huang and M.K. Wu, 1997, “Magnetic Field Dependence of Low Temperature Heat Capacities of GdBa2Cu4O8”, 1 pages, paper presented at M2S-HTSC Beijing, 1: 1, 1997-01-01.

  • [50]     L.Y. Jang, Y.D. Yao and Y.Y. Chen , 1997, “Electronic Quantum-Size Effects Stodied by XAFS in Nanocrystalline Ni Powders”, paper presented at Soft-Magnetic Material 13 Conference, France: France, 1997-9-24 ~ 1997-9-26.

  • [51]     Y.Y. Chen* and Y.D. Yao , 1997, “Low Temperature Magnetic and Thermal Properties of Nanocrystalline CeAl2”, paper presented at 1997 Taiwan International Conference on Superconductivity & 5th, Taiwan: 1, 1997-8-13 ~ 1997-8-17.

  • [52]      Y.Y. Chen* and Y.D. Yao, 1997, “Magnetic Susceptibility and Specific Heat Study of the Heavy Fermion CeAl2”, paper presented at International Conference on Magnetism 1997, Cairns, Australia: Cairns, Australia, 1997-7-27 ~ 1997-8-1.

  • [53]     Y.Y. Chen, Y.D. Yao, H.Lin, C. Tung, 1997, “Quantum Size Effects in Pd Nanocrystals”, paper presented at 1997 March Meeting of the American Physical Society, Kansas City, Missouri: Kansas City, Missouri, 1997-3-01.

  • [54]     M.K. Wu, D.Y. Chen, D.C. Liang, P.Z. Chien, Y.Y. Chen and H.C. Ren, 1997, “Superconductivity in Ru-Based Double Perovskite Oxides”, paper presented at 1997 Taiwan International Conference on Superconductivity & 5th, Taiwan: 7, 1997-8-13 ~ 1997-8-16.

  • [55]     Y.Y. Chen, Y.D. Yao and W.J. Cheng, 1996, “Quantum Size Effects in Pd Nanocrystals”, 1 pages, paper presented at 1996 Joint Workshop on Low Temperature Physics and High Temperature , Taiwan, ROC: Chai-Yi, 1996-10-11 ~ 1996-10-12.

  • [56]     J.C. Ho, H.Hamdeh, S.H. Lin, Y.Y. Chen, Y.D. Yao, R.J. Willey , 1995, “A comparative Study of Low Temperature Heat Capacities between Zinc”, 1 pages, paper presented at Invited talk, the Third Workshop on Low Temperature Physics,, 1: 1, 1995-08-04 ~ 1995-08-05.

  • [57]     J.C. Ho, H.H. Hamdeh, S.H. Lin, Y.D. Yao, Y.Y. Chen, R.J. willey and S.A. Oliver, 1995, “Low Temperature Heat Capacity of Zinc Ferrite Nanoparticles”, 514. pages, paper presented at Proceedings of March Meeting of the American Physical Society, San Jose: San Jose, 1995-04-04 ~ 1995-04-05.

  • [58]     Y.Y. Chen, Y.D. Yao, S.U. Jen, B.T. Lin, H.M. Lin and C.Y. Tung, 1995, “Calorimeteric and magnetic Properties of Nanocrystalline Palladium”, 692 pages, paper presented at Proceedings of March Meeting of the American Physical Society, San Jose: San Jose, 1995-3-20 ~ 1995-3-24.

  • [59]     H.H. Hamdeh, J.C. Ho, S.A. Oliver, R.J. Willey, J.Kramer, Y.Y. Chen, S.H. Lin, Y.D. Yao, , 1995, “Ferrimagnetic Zinc Ferrite Fine Powders”, V31,3808. pages, paper presented at EEE Transation on Magnetic, Proceedings of International Magnetics Conference, San Antonio: San Antonio, 1995-4-18 ~ 1995-4-21.

  • [60]      Y.D. Yao, Y.Y. Chen, H.M. Lin, C.M. Hsu, T.T. Kuan, F.A. Yang, and C.Y.Tung, 1994, “Magnetic Study of both nitrified and Oxidized Co particles”, paper presented at Second International Conference on Nanostructured Materials, 1: 1, 1994-10-03 ~ 1994-10-04.

  • [61]     Y.Y. Chen, Y.D. Yao, S.-U. Jen and B.T. Lin, H.M. Lin, C.Y. Tung, S.S. Hsiao , 1994, “MagneticSusceptibility and Low Temperature Specific Heats of Palladium”, paper presented at Second International Conference on Nanostructured Materials, 1: 1, 1994-10-03 ~ 1994-10-04.

  • [62]     Y.Y. Chen, Y.D. Yao, B.T. Lin, C.T. Suo, S.G. Shyu, and H.M. Lin, 1994, “Specific Heat of Copper Fine Particles”, paper presented at Second International Conference on Nanostructured Materials, 1: 1, 1994-10-03.

  • [63]      Y.Y. Chen, 1993, “Low Temperature Specific Heats in Magnetic Fields”, paper presented at Conference on Low Temperature Specific Heats, Taiwan: 1, 1993-5-22 ~ 1993-5-23.

  • [64]     Y.D. Yao, K.T. Wu, Y.Y. Chen and D.N. Hsu, 1992, “Optical and Magnetic Studies of NdFeB Films”, paper presented at 37th Annual Conference on Magnetism & Magnetic Materials, 1: 1, 1992-12-01 ~ 1992-12-4.

  • [65]     Y.Y. Chen, 1992, “An Automated Relaxation Calorimeter”, paper presented at Conference on Low Temperature Specific Heats, Taiwan.: 1, 1992-04-01 ~ 1992-04-10.

  • [66]     Y.Y. Chen, Y.D. Yao and S.U. Jen and J. M. Lawrence, 1992, “Effect of Thermal Treatment on the Electrical and Magnetic Properties of Ce3In”, paper presented at 7th Int. Symposium on Magnetic Anisotropy & Coercivity in RE-Tm Alloys, 1: 79, 1992-01-01.

  • [67]     Y. D. Yao, J.W. Chen, Y. Y. Chen and C.S. Fang, 1991, “Effects of Ag Doping in the N-type Superconductor Nd-Ce-Cu-O”, paper presented at Annual Conference on Superconductivity and its application, N.Y.: 1, 1991-9-10 ~ 1991-9-20.

  • [68]     Y. D. Yao, J.W. Chen, Y. Y. Chen and C.S. Fang , 1990, “Effects of Ag Doping in the N-type Superconductor Nd-Ce-Cu-O”, paper presented at AIP Conference Proceeding, N.Y.: 219, 130-8., 1990-09-10 ~ 1990-09-20.

  • [69]     C. C. Chen, Y. Y. Chen, Y. D. Yao and R. L. Luo , 1990, “Effect of La Substitution on the Phase Transition in Ce3Al Compound”, paper presented at Abstract of the Fourth Asia Pacific Physics Conference, 1: 257, 1990-08-13 ~ 1990-08-17.

  • [70]     Y. D. Yao, Y. Y. Chen, T. J. Li, S. J. Tzeng and T. H. Chuang, 1990, “Grain Boundary Precipitate, Electrical Resisitivity and Magnetization in Nickle Alloys”, paper presented at Abstract of the Fourth Asia Pacific Physics Conference, 1: 110, 1990-08-13 ~ 1990-08-17.

  • [71]      Y. D. Yao, J. W. Chen, Y. Y. Chen, W. S. Pern, H. A. Yong, I. N. Lin, P. C. Yao, S. J.Yang and S. E. Hsu, 1990, “Thermal Annealing Study of High-Tc YBaCuO and BiSrCaCuO Superconducting Wires”, paper presented at Mat. Res. Suc. Symp proc., 1: Vol.169., 1990-01-01.

  • [72]     C. Y. Huang, H. H. Tai ,Y. D. Yao, T.J. Li, Y. Y. Chen and M. K. Wu, 1989, “Magnetic, Microstructure, and High-Field Studies of Superconducting 123-AgO Composites”, paper presented at Proc, Taiwan Int. Symp. Supercond, 1: 84, 1989-01-01.

  • [73]     Y. Y. Chen and T. G. Castner, 1989, “Noise Measurements on the DuPont Series 1400 Thick Film Resistors”, paper presented at Bull. of the Am. Phs. Soc, 1: 840, 1989-01-01.

  • [74]     Y. D. Yao, Y. Y. Chen, Y. H. Kao,J. H. Chen and C. L.Liu, 1989, “Superconducting and Normal State Properties of BiSrCaCuO with Ag and Pb Doping”, paper presented at Proc. Taiwan Int. Symp. Supercond, 1: 249, 1989-01-01.

  • [75]     Y. Y. Chen, J. M. Lawrence, 1986, “Further Evidence for a 40 K Coherence Scale in CePd3”, paper presented at Bull. Am. Phys. Soc. 31, 1: 498, 1986-01-01.

  • [76]     J. M. Lawrence, Y. Y. Chen and J. D. Thompson, 1986, “Low Temperature Coherence in CeSn3”, paper presented at Bull. Am. Phy. Soc. 31, 1: 498, 1986-01-01.

專書內之論文

  • [1]     Cheng-Lung Chen* and Yang-Yuan Chen**, 2012, “Cancer Cell Photothermolysis and Gold Nanorod Surface Plasmons”, editor(s): Rajaventhan Srirajaskanthan, Victor R. Preedy, Nanomedicine and Cancer, pp. 46-62, PO Box 699, Enfield,NH 03748,USA: Science Publisher.

  • [2]     Yang-Yuan Chen, Cheng-Lung Chen, Ping-Chung Lee, Min-Nan Ou, 2011, “Fabrication, characterization and thermal properties of nanowires”, editor(s): Abbass Hashim, Nanowires, pp. 263-284, Abbass Hashim: InTech.

其他論文

  • [1]     Y.Y. Chen, 2003, “ Low-temperature Ru-Sapphire Film Thermometer and Its Application in Heat Capacity Measurements”, Temperature: Its Measurement and Control in Science and Industry, Volume 7, P 387.

  • [2]     T. G. Castner and Y. Y. Chen, Unpublished, “Thick Film Resistors Research”, Progress Report. Univ. of Rochester.

  • [3]     Y. Y. Chen, Unpublished, “Valence Fluctuations and Coherence in Cerium Based-Compounds”, Ph. D. Thesis, University of California, Irvine.

發現與突破

  • [1]     西元年：2022
    研究人員(中)：陳洋元
    研究人員(英)：Chen, Yang-Yuan, Cheng-Lung Chen#, Te-Hsien Wang, Zih-Gin Yu, Yohanes Hutabalian, Ranganayakulu K.Vankayala, Chao-Chih Chen, Wen-Pin Hsieh, Horng-Tay Jeng, Da-Hua Wei, Yang-Yuan Chen*
    研究成果名稱(中)：利用調製摻雜機制使 n型 Bi2Te2.7Se0.3 材料之熱電效能突破世界紀錄
    研究成果名稱(英)：Modulation doping enables ultrahigh power factor and thermoelectric ZT in n-type Bi2Te2.7Se0.3
    簡要記述(中)：本所陳洋元研究員、陳正龍博士與王德賢教授(中興)、鄭弘泰教授 (清大)合作，在n型 Bi2Te2.7Se0.3 材料的熱電效能提升獲得重大突破。團隊藉由熱擴散方式將銅原子嵌在Bi2Te2.7Se0.3 材料的凡德瓦爾間隙，並證實這些嵌入的銅原子扮演調製摻雜的角色，達到優化載子傳輸及散射聲子的功能，因而實現了在 300 K 時的超高功率因子 ~63.5 μW cm-1 K-2 和在 300-450 K 時的最高平均 ZT=1.36。該研究結果突破所有報導過的 n 型碲化鉍材料，並提供了一種全新策略來提升各式熱電材料之效能。完整的研究資料已發表於 Advanced Science, 2201353 (2022)。
    簡要記述(英)：Prof. Yang-Yuan Chen and Dr. Cheng-Lung Chen in collaboration with Prof. Te-Hsien Wang (NCHU) et al have reported a new strategy to boost up ZT in n-type Bi2Te2.7Se0.3 crystals near room temperature by a two-stage process, i.e., step 1: stabilizing Seebeck coefficient by CuI doping; step 2: boosting power factor by synergistically optimizing phonon and carrier transport via thermal-driven Cu intercalation in the vdW gaps. Theoretical Ab initio calculations disclose that these intercalated Cu atoms act as modulation doping and contribute conduction electrons of wavefunction spatially separated from the Cu atoms themselves, which simultaneously lead to large carrier concentration and high mobility. As a result, an ultra-high PF ~63.5 μW cm−1 K−2 at 300 K and a highest average ZT=1.36 at 300-450 K are realized, which outperform all n-type bismuth telluride materials ever reported. The work offers a new approach in improving n-type layered TE materials. Results were published in Advanced Science, 2201353 (2022)


  • [2]     西元年：2020
    研究人員(中)：陳洋元
    研究人員(英)：Chen, Yang-Yuan, Tian-Wey Lan, Kai-Han Su, Chung-Chieh Chang, Cheng-Lung Chen, Chi-Liang Chen, Min-Nan Ou, Dong-Ze Wu, Phillip M. Wu, Maw-Kuen Wu* and Yang-Yuan Chen*
    研究成果名稱(中)：氣凝膠添加之两種最常用的N型和P型熱電材料，其zT值顯著增加而達歷史新高
    研究成果名稱(英)：“Enhancing the Figure of Merit in Thermoelectric Materials by Adding Silicate Aerogel”
    簡要記述(中)：實現熱電材料的實際應用，需要高熱電轉換效率的材料。吳茂昆院士與陳洋元研究員的研究團隊，以現有高效率熱電材料為基礎，在其中添加少量的矽酸鹽氣凝膠，可顯著提高原材料的熱電優質係數（zT）增加熱電轉換效率。在這項工作中使用的材料是塊狀多晶樣品，無需複雜的合成過程即可相對容易地製備，研究結果證明，使用氣凝膠添加之两種最常用的N型和P型熱電材料，其zT值顯著增加而達歷史新高。 P型Bi0.5Sb1.5Te3在350 K時達到創紀錄的高zT〜1.45，N型Cu0.01Bi2Te2.7Se0.3在 425 K時達到 zT〜1.12，其主要增益來自顯著降低的熱導率，並同時保留了氣凝膠混合複合材料的高功率因數，而添加氣凝膠含量為0.3wt％時的P型MgAg0.97Sb0.99材料的zT在550 K左右的增強為1.69。 MgAg0.97Sb0.99的機理不是由於降低了熱導率，而是大大提高了功率因數，這對於實際應用而言更為重要。此外，這項工作中展示的材料是塊狀多晶樣品，由於合成過程較簡單，使其更具應用價值，這項工作發表在《今日材料物理》的開放期刊上
    簡要記述(英)：The practical applications of thermoelectric materials in large scale require materials with high thermal conversion efficiency, low cost, and operating at a proper temperature range. Due to the inversely relationship between electrical conductivity (σ) and Seebeck coefficient (S), it is a great challenge to improve high power factor (PF = σS2) of a thermoelectric material. Here we show that by adding small amount of silicate aerogel to existing promising materials, significantly improves the heat-electricity conversion efficiency with Figure of Merit (zT) enhancement. The materials we present in this work are bulk polycrystalline samples, which are relatively easy to produce without complicated synthesis processes. We have demonstrated using aerogel addition to enhance the zT of the two most commonly  n- and p-type thermoelectric materials to record high levels. A record high zT ∼1.45 at 350K for p-type Bi0.5Sb1.5Te3 and zT ∼1.12 at 425 K for n-type Cu0.01Bi2Te2.7Se0.3 were achieved. The primary gain in zT comes from a significant reduced thermal conductivity while preserving high power factor for the aerogel mixed composites. We have also demonstrated the enhancement of the zT in aerogel-added p-type MgAg0.97Sb0.99 material with zT value of 1.69 for 0.3 wt% aerogel content at ∼550 K. The mechanism in the case of MAS is not due to the reduction of thermal conductivity but rather the large enhancement in power factor, which is more important for practical applications. Furthermore, the materials we present in this work are bulk polycrystalline samples, which make them more valuable due to the less complicated synthesis processes. This work was published in the open access journal of Materials Today Physics (https://doi.org/10.1016/j.mtphys.2020.100215).


  • [3]     西元年：2019
    研究人員(中)：陳洋元、余世勛 ,歐敏男, 周明奇,
    研究人員(英)：Chen, Yang-Yuan, Shih-Hsun Yu, Min-Nan Ou*, Mitch M. C. Chou*
    研究成果名稱(中)：高品質 CuxBi2Se3 單晶零價銅參雜與超導之關係
    研究成果名稱(英)：The zero Cu valence and Superconductivity in high quality CuxBi2Se3 crystal
    簡要記述(中)：在這項工作中，研究了Cu摻雜劑在Bi2Se3中超導性發展中的作用。基於沿C軸觀察到的晶格增加，通過XRD，SEM-EDS和TEM分析驗證了Bi2Se3的范德瓦爾（vdW）間隙中插入的Cu原子的存在。此外，通過X射線光電子和歐接電子光譜，發現Cu的化學態為零價。同時，我們的拉曼數據也顯示了相同的結果：vdW間隙中的Cu嵌入削弱了Cu0.1Bi2Se3晶體中五重層的結合。電阻和磁化率在一系列Cu摻雜的Bi2Se3中顯示出在3-3.4 K附近的超導轉變。在優化的10％Cu摻雜Bi2Se3中觀察到TC = 3.4 K的最大值和最大84％的磁屏蔽率。這些結果暗示，超導準粒子的形成與Cu的電荷轉移無關，而是由插入在范德瓦爾間隙中的Cu的內應力所支持。在比熱中觀察到的超導躍遷表明CuxBi2Se3中的超導性是非常規的。這研究對銅摻雜劑在Bi2Se3中引起的超導所扮演的角色為，銅並未與Bi2Se3產稱化學鍵，是以金屬形態存在於Bi2Se3中，說明於C軸產生之晶格膨脹，或存在介面才是超導的主要成因，這對長期以來介面才是產生超導的主要機制提供了一個強有力的證明。
    簡要記述(英)：In this work, the role of Cu dopants in the development of superconductivity in Bi2Se3 is investigated. A series of CuxBi2Se3 (x=0-0.3) crystals is grown using the Bridgman method and electrochemical techniques. Based on the observable lattice increases along the c axis, the existence of Cu atoms intercalated in the van der Waals (vdW) gaps in Bi2Se3 is verified by XRD, SEM-EDS and TEM analysis. Furthermore, the chemical state of the Cu is found to be zero valence by characterization of the X-ray photoelectron and Auger electron spectra. The absence of Cu1+ and Cu2+ in EELS near-edge fine structure is confirmed as well. Meanwhile, our Raman data also show the same result: the intercalation of Cu in the vdW gap which weakens the binding of the quintuple layers in the Cu0.1Bi2Se3 crystal. The electric resistance and magnetic susceptibility show a superconducting transition near 3-3.4 K in the series of Cu doped Bi2Se3. A sharp superconducting transition with the highest value of TC = 3.4 K and a largest magnetic shielding fraction of 84% is observed in the optimized 10% Cu doped Bi2Se3. These results imply that the formation of superconducting quasiparticles is not related to the charge transfer of Cu, but is supported by the internal stress of Cu intercalated in the van der Waals gap. The SC transition observed in the specific heat implies that the superconductivity in CuxBi2Se3 is unconventional.
    主要相關著作：
    Shih-Hsun Yu, Min-Nan Ou*, Mitch M. C. Chou*, Yang-Yuan Chen*, 2019, “The zero Cu valence and Superconductivity in high quality CuxBi2Se3 crystal”, PHYSICAL REVIEW B, 100, 174502 (2019). (SCIE) (IF: 3.7; SCI ranking: 46.1%,34.8%,38.8%)


  • [4]     西元年：2016
    研究人員(中)：陳洋元、魏百駿、陳洋元
    研究人員(英)：Chen, Yang-Yuan, Pai-Chun Wei, S. Bhattacharya, J. He, S. Neeleshwar, R. Podila, Y. Y. Chen* and A. M. Rao*
    研究成果名稱(中)：熱電材料硒化錫晶體之真實熱傳導係數
    研究成果名稱(英)：The intrinsic thermal conductivity of SnSe
    簡要記述(中)：2014 年美國西北大學 Zhao et al 等人於自然期刊發表了硒化錫晶體超低之熱傳導係數  (<0.4 W /mKat 923 K) 與很高的熱電優質參數 (ZT2.6 at 923 K)。由中央研究院物理研究所陳洋元博士帶領的研究團隊,隨即長出硒化錫之單晶後 經過的精密的實驗量測後 我們發現在923 K ZT 僅有1 左右 我們仔細比對雙方之數據後發現Zhao et al 等人的硒化錫之樣品並非真正之單晶 其密度(5.4 g/cm)約只有真正單晶密度(6.2 g/cm)的 87%。這說明了西北大學 Zhao et al 等人於自然期刊發表的結果並非真正硒化錫晶體應有之物理特性。發現美國西北大學 Zhao et al的硒化錫晶體有問題後我們將此一發現與我們完整之數據提報給Nature 期刊 證明Zhao et al 的結果確實有問題。於此一研究我們長出了世界第一個真正完美的SnSe 單晶 也量測出此單晶之本徵熱傳導係數 對了解目前最熱門之熱電材料-硒化錫之研究做出了重大之貢獻。

    簡要記述(英)：In 2014 Zhao et al. 1 at Northwestern University reported that they have found an ultralow thermal conductivity (<0.4W/m K at 923 K) and high thermoelectric figure of merit (ZT2.6±0.3 at 923 K) in SnSe crystals, and have the results published in Nature (17 April VOL 508, Nature 375).The material is shortly studied by the Dr. Chen group in the institute of physics. We deduce that their samples are not fully dense (only 87% of the theoretical value 6.2 g/cm) and thus not truly single crystalline, implying that their reported thermal conductivities are not intrinsic to SnSe.
    In this work, we have grown the best SnSe single crystal in the world, and reported the intrinsic thermal conductivity of SnSe. This research work offers a better understanding of the SnSe crystal, and warrants further investigation into intrinsic thermal transport in SnSe single crystals and its use as a thermoelectric material.


    主要相關著作：
    Pai-Chun Wei, S. Bhattacharya, J. He, S. Neeleshwar, R. Podila, Y. Y. Chen*, 2016, “The intrinsic thermal conductivity of SnSe ”, NATURE, 3 Nov 2016 Vol 539, E1. (SCIE) (IF: 48.5; SCI ranking: 2.7%)


  • [5]     西元年：2015
    研究人員(中)：陳洋元、熊德智, 牟中瑜,李定國, 陳洋元
    研究人員(英)：Chen, Yang-Yuan, Te-Chih Hsiung, Chung-Yu Mou, Ting-Kuo Leea, and Yang-Yuan Chen
    研究成果名稱(中)：拓樸絕緣體BiSbTeSe表面傳輸與熱電優質係數強化
    研究成果名稱(英)：Surface-Dominated Transport and Enhanced Thermoelectric Figure of Merit in Topological Insulator Bi1.5Sb0.5Te1.7Se1.3
    簡要記述(中)：本研究團隊將具拓樸絕緣體特性的Bi1.5Sb0.5Te1.7Se1.3(BSTS)奈米線成功地提升熱電優質，與塊材材料相比較之下，奈米線的熱電優值大幅度提升一個數量級，從 ZT=0.028 到0.26。此顯著的增加主要是歸功於奈米線內部導電率，傳導機制與熱活化載子的增加。拓樸絕緣體為一熱門的新穎材料，國內外的研究機構都致力於其中。本研究團隊利用奈米線來當作研究拓樸領域的主軸，除了以往拓樸相關特性之量測，此研究尚能利用奈米線去觀察於拓樸絕緣體能隙中化學位能的變化，且進一步的去研究表面能態對於熱電性質與熱電優質之影響。
    本研究應該是第一個研究拓樸絕緣體熱電性質的論文，另外我們發現在奈米尺度下，材料的傳輸機制會有很大的不同，包括電、熱傳導率。相信此突破性的奈米線研究成果，對於未來學術研究或工業中奈米尺度的材料發展與磁性應用提供了長遠的助益。

    簡要記述(英)：We report the observation of an order of magnitude enhancement of the thermoelectric figure of merit
    (ZT = 0.36) in topological insulator Bi1.5Sb0.5Te1.7Se1.3 nanowires at 300 K as compared with the bulk
    specimen (ZT = 0.028). The enhancement was primarily due to an order of magnitude increase in the
    electrical conductivity of the surface-dominated transport and thermally activated charge carriers in
    the nanowires. Magnetoresistance analysis revealed the presence of Dirac electrons and determined that
    the Fermi level was near the conduction band edge. This may be the first thermoelectric measurement of samples with a chemical potential in the gap of a topological insulator without gate tuning, and provides an opportunity to study the contribution of surface states to the Seebeck coefficient and resistivity
    without concern for the complex effect of band bending.
    主要相關著作：
    169. Te-Chih Hsiung* ,Chung-Yu Mou, Ting-Kuo Lee, and Yang-Yuan Chen*, 2015, “Surface-Dominated Transport and Enhanced Thermoelectric Figure of Merit in Topological Insulator Bi1.5Sb0.5Te1.7Se1.3”, Nanoscale, 7, 518-523. (SCIE) (IF: 5.1; SCI ranking: 30.3%,32.1%,41.1%,22.4%)


  • [6]     西元年：2010
    研究人員(中)：陳洋元、陳正龍,郭玲如,張經霖,胡宇光,黃政廣,李欣瑜,陳科華,林樹均,黃靜端,陳洋元
    研究人員(英)：Chen, Yang-Yuan, Cheng-Lung Chen*, Ling-Ru Guo, Yang-Yuan Chen*, Yeh-Kuang Hwu, Ching-Lin Chang, Shin-Yu Lee, Kowa Chen,Su-Jien Lin and Jing-Duan Huang
    研究成果名稱(中)：以金奈米棒之表面激發電漿殺死癌細胞之光熱療法之研究
    研究成果名稱(英)：In situ real-time investigation of cancer cell photothermolysis mediated by excited gold nanorod surface plasmons
    簡要記述(中)：本論文以雷射雙光子激發金奈米棒之表面電漿，研究其產生的光熱效(photothermolysis)，如何殺死癌細胞。我們將金奈米棒植入老鼠之乳腺癌細胞(EMT-6)，經由雙光子雷射顯微鏡，可同步觀察到癌細胞受到雷射光照射後，其形貌的變化與胞膜被螢光染劑穿透的過程。利用生物體在670 ~880 nm近紅外光波段有最深的穿透性，我們以化學合成法中的晶種成長技術製備金奈米棒，並準確地控制其長短軸比例為3.92，使其長軸最大吸收峰值落在800 nm，達到雷射激發金奈米棒之最佳效果。由於初步合成的金奈米棒表面覆有毒性十六烷基三甲基溴化(CTAB)界面活性劑，為了改善金奈米棒與生物的相容性，並進一步應用於影像及治療藥劑上，我們以無毒性的聚磺苯乙稀(PSS)高分子置換上述具毒性的十六烷基-界面活性劑。實驗發現，由於金奈米棒在近紅外線波段有強烈的表面電漿共振特性，因此可清楚地看到細胞內由金奈米棒受雙光子雷射激發過程而產生的螢光點。這個技術非常有利於即時性的雙光子顯微影像觀察，並可監控金奈米棒產生的光熱效應與如何殺死癌細胞。本研究發現，細胞的穿孔及胞膜瞬間破裂是由於金奈米棒的光熱效應，而引發局部高溫氣化膨脹，導致癌細胞破裂死亡。此一癌細胞內空泡破裂動態過程(Cavitation dynamic)取決於激發能量的大小，且是細胞膜穿孔或瞬間嚴重瓦解的原因。同時發現，癌細胞內金奈米棒的數量越多，殺死癌細胞所需的能量越小。以一個細胞攝入10-30個團簇(一個團簇約含30-100個金奈米棒)為例，注入的光能量密度約93 mJ/cm2，可有效地破壞細胞並使其在非常短時間內（約4分鐘），以炸碎方式死亡。當光能量密度降底到約18 mJ/cm2時，細胞攝入的金奈米棒團簇數量則需提高到60-100個方能使細胞以漸進惡化的方式死亡。經由此一研究可了解奈米材料在癌細胞光熱解作用的機制與過程，並有助於光熱療法應用在臨床上。
    簡要記述(英)：The photothermolysis of living EMT-6 breast tumor cells triggered by gold nanorods (AuNRs) with twophoton irradiation was conducted in situ and under real-time observation. The morphology and plasma membrane permeability of the cells were key indicators to the phenomena. AuNRs with an aspect ratio of 3.92, and a longitudinal absorption peak at 800 nm were synthesized with a seed-mediated method. The nanorods surfaces were further modified with polystyrenesulfonate (PSS) for biocompatibility. The prepared nanorods displayed excellent two-photon photoluminescence imaging. In situ real-time results revealed cavities internal to the cells were created from thermal explosions triggered by AuNRs localized photothermal effect. The cavitation dynamic is energy dependent and responsible for the perforation or sudden rupture of the plasma membrane. The energy threshold for cell therapy depended significantly on the number of nanorods taken up per cell. For an ingested AuNR cluster quantity Nw10–30 per cell, it is found that energy fluences E larger-than 93 mJ/cm2 led to effective cell destruction in the crumbled form within a very short period. As for a lower energy level E 18 mJ/cm2 with N w 60–100, a noninstant, but progressive cell deterioration, is observed.
    主要相關著作：
    Cheng-Lung Chen*, Ling-Ru Guo, Yang-Yuan Chen*, Yeh-Kuang Hwu, Ching-Lin Chang, Shin-Yu Lee, Kowa Chen,Su-Jien Lin and Jing-Duan Huang , 2010, “In situ real-time investigation of cancer cell photothermolysis mediated by excited gold nanorod surface plasmons”, Biomaterials, 31, 4104-4112. (SCIE) (IF: 12.9; SCI ranking: 4.1%,4.8%)


  • [7]     西元年：2008
    研究人員(中)：陳洋元、歐敏男、 楊宗哲、S. R. Harutyunyan、陳洋元、陳啟東、賴水金
    研究人員(英)：Chen, Yang-Yuan, M. N. Ou, T. J. Yang, S. R. Harutyunyan,
    研究成果名稱(中)：單根奈米線熱電傳輸行為的研究，登上國際期刊的封面，已被下載超過一千多次
    研究成果名稱(英)：Electrical and thermal transport in single nickel nanowire
    簡要記述(中)：Much attention has been focused on nanoscale materials in recent years due to their great importance in fundamental low-dimensional physics as well as in fabrication of nanoscale devices. This paper presents the study of electrical and thermal transport of a suspended nickel (Ni) nanowire. The thermal conductivity and electrical resistivity were measured in the temperature range 15- 300 K by means of the “self heating 3ω” technique.
    The temperature dependence of the thermal conductivity and the Lorenz number strongly differ from that of the bulk. At temperatures 75 < T < 300 K Wiedemann-Franz (WF) law holds, whereas at temperatures T < 75 K the WF law is violated, indicating that thermal current in this material is suppressed more than electrical current. The results are explained by combined effect of confined dimension, enhanced disorder and grown contribution of N-processes.
    This study is significant in developing magnetic semiconductor devices. The work was published in Applied Physics Letter (APL) with its figure as the cover image in Feb. 2008 [1]. It was download 535 times ranked top 4 for over 400 papers in the month. Based on editor’s report on Jan 21, 2009 the paper was download already over 1000 times by the end of 2008. It greatly promotes Taiwan’s international visibility.

    簡要記述(英)：研究團隊成功地將一根磁性的鎳奈米線懸吊在矽基板上，並測量出它的導電與導熱率，發現其傳輸行為與一般材料大異其趣，實驗顯示熱流比電流在奈米線中受到更大的壓制，這是一非常嶄新的發現，對再生能源熱電材料的開發是一重大的突破。奈米線肉眼是看不到的，因此從製造到量測的過程，都要借助掃描電子顯微鏡的觀察與定位。研究團隊能將此一懸吊的奈米線以電子顯微圖像清楚地呈現在世人的眼前，並成功地量測出其熱電性質是非常不容易的，研究團隊為此整整花了一年的時間才克服萬難完成此項工作。此研究成果除被刊登於國際知名之應用物理通訊(Applied Physics Letter)外，其插圖並被選為2008年二月的期刊封面。此論文在當月即被下載535次，為近四百餘篇論文中名列前四名。依據期刊編輯2009年一月二十一日的統計報告，迄2008年底此論文已被下載閱讀達1033次，可見此一研究成果如何受到國際上的重視，由於被大量的下載傳播，大大提升了台灣科學界在國際上的能見度。 此一奈米線熱、電傳輸行為的研究，相信對台灣依重甚深的半導體工業，奈米化的推展與磁性的應用提供了深遠的助益。


  • [8]     西元年：2008
    研究人員(中)：陳洋元、陳洋元、陳正龍、董崇禮、周尚威、陳家俊、張經霖
    研究人員(英)：Chen, Yang-Yuan, M.S. Seehra,P.Dutta, S.Neeleshwar,Y. Y. Chen,C. L.
    研究成果名稱(中)：「室溫磁性半導體」的發現，被自然出版集團選為網頁頭條，稱為亞洲暨太平洋地區最佳研究成果。
    研究成果名稱(英)：Size-Controlled Ex-nihilo Ferromagnetism in Capped CdSe Quantum Dots
    簡要記述(中)：從我們日常生活的認知，半導體材料並不具有磁性；其熱、電傳輸行為也不會因樣品尺寸大小而有所改變。惟在奈米尺度的範疇中，新穎的物理性質逐一被發現並認證，過去的很多認知在奈米世界中不再正確。 對於製備自旋電子半導體元件來說，最有興趣的是尋找具有室溫鐵磁性的半導體材料。過去在一些半導體中也常被觀察到具有「室溫鐵磁性」的特性，惟一般都認為此磁性是來至材料中的磁性雜質而不是材料本身的特性。 目前由中央研究院陳洋元博士與淡江大學、印度和美國的研究團隊發現，鎘硒（CdSe）半導體的奈米晶體在室溫下具鐵磁性，此一「室溫鐵磁半導體」的嶄新發現，除被刊登於國際知名的期刊－先進材料（Advanced Materials）外[1]，也被自然出版集團（Nature Publishing Group）在其網頁頭條，稱此為亞洲暨太平洋地區研究人員的最佳研究成果。此鎘硒奈米晶體的鐵磁性，據信是由覆蓋於奈米晶體外層的介面活性劑－三辛基氧化磷，使鎘原子上產生了4d軌道的電洞與磁矩，進而產生了鐵磁性。鎘硒是在同類半導體中，第一個被發現具有「室溫鐵磁性」的奈米晶體。 此研究工作的重要性在於藉由適當的表面重組，不需要摻雜任何其他的磁性元素，半導體也會具有鐵磁性的特性。此一研究成果將半導體帶到電子與磁性的範疇，推動半導體工業進入電子自旋此一嶄新的領域。
    簡要記述(英)：Materials that exhibit room temperature ferromagnetism (RTFM) have high potential for the realization of spintronic devices. A collaboration of researchers of the Academia Sinica in Taiwan with colleagues in India and United States have demonstrated the synthesis of nanocrystals of a nominally non magnetic semiconductor that exhibit ferromagnetism at several degrees above room temperature1. The paper was also selected by Nature Publishing Group (NPG) Asia Materials website for highlights the best research published in the field by researchers in the Asia-Pacific region.
    In the case of their CdSe nanocrystals the ferromagnetism is definitely an intrinsic property. The nanocrystals are capped by TOPO (Tri-n-octylphosphine) which is also nonmagnetic. No clusters of magnetic impurities are therefore involved. The researchers believe that the RTFM arises from electronic effects at the crystal surfaces due to the presence of the TOPO. It is explained by Dr. Chen that since the electronegativity of oxygen is much larger than that of Cd, the charge transfer from Cd to TOPO depletes the 4d10 full band of Cd, creating holes and producing a net magnetic moment for Cd atoms bonded to TOPO.
    The ferromagnetism in the nanocrystals is the first in its kind. “The importance of the work is that with appropriate surface modification, i.e., capping with TOPO for our case, the semiconductor quantum dots exhibit RTFM with no need of magnetic dopants”.



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