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サン リウエン
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305-0044 茨城県つくば市並木1-1 [アクセス]
  • 論文・発表

[研究論文] |[書籍] |[会議録] |[口頭発表] |[特許]

研究論文 TSV

2019
  1. Haruka Matsuura, Takeyoshi Onuma, Masatomo Sumiya, Tomohiro Yamaguchi, Bing Ren, Meiyong Liao, Tohru Honda, Liwen Sang. MOCVD Growth and Investigation of InGaN/GaN Heterostructure Grown on AlGaN/GaN-on-Si Template. Applied Sciences. 9 [9] (2019) 1746 10.3390/app9091746
  2. Bing Ren, Jijun Zhang, Meiyong Liao, Jian Huang, Liwen Sang, Yasuo Koide, Linjun Wang. High-performance visible to near-infrared photodetectors by using (Cd,Zn)Te single crystal. Optics Express. 27 [6] (2019) 8935 10.1364/oe.27.008935
  3. Zilong Zhang, Haihua Wu, Liwen Sang, Jian Huang, Yukiko Takahashi, Linjun Wang, Masataka Imura, Satoshi Koizumi, Yasuo Koide, Meiyong Liao. Single-crystal diamond microelectromechanical resonator integrating with magneto-strictive galfenol film for magnetic sensor. Carbon. 152 (2019) 788-795 10.1016/j.carbon.2019.06.072
  4. Meiyong Liao, Liwen Sang, Takehiro Shimaoka, Masataka Imura, Satoshi Koizumi, Yasuo Koide. Energy‐Efficient Metal–Insulator–Metal‐Semiconductor Field‐Effect Transistors Based on 2D Carrier Gases. Advanced Electronic Materials. 5 [5] (2019) 1800832 10.1002/aelm.201800832
  5. Kazuya Yuge, Toshihide Nabatame, Yoshihiro Irokawa, Akihiko Ohi, Naoki Ikeda, Liwen Sang, Yasuo Koide, Tomoji Ohishi. Characteristics of Al2O3/native oxide/n-GaN capacitors by post-metallization annealing. Semiconductor Science and Technology. 34 [3] (2019) 034001 10.1088/1361-6641/aafdbd
  6. Bing Ren, Meiyong Liao, Masatomo Sumiya, Jin Su, Xinke Liu, Yasuo Koide, Liwen Sang. High-quality SiN x /p-GaN metal-insulator-semiconductor interface with low-density trap states. Journal of Physics D: Applied Physics. 52 [8] (2019) 085105 10.1088/1361-6463/aaf5ba
  7. Meiyong Liao, Liwen Sang, Tokuyuki Teraji, Satoshi Koizumi, Yasuo Koide. Ultrahigh Performance On-Chip Single Crystal Diamond NEMS/MEMS with Electrically Tailored Self-Sensing Enhancing Actuation. Advanced Materials Technologies. 4 [2] (2019) 1800325 10.1002/admt.201800325
  8. Dickson Kindole, Yasutaka Imanaka, Kanji Takehana, Liwen Sang, Masatomo Sumiya. Terahertz Cyclotron Resonance in AlGaN/GaN Heterostructures. Journal of the Korean Physical Society. 74 [2] (2019) 159-163 10.3938/jkps.74.159
2018
  1. Bing Ren, Masatomo Sumiya, Meiyong Liao, Yasuo Koide, Xinke Liu, Yue Shen, Liwen Sang. Interface trap characterization of Al2O3/GaN vertical-type MOS capacitors on GaN substrate with surface treatments. Journal of Alloys and Compounds. 767 (2018) 600-605 10.1016/j.jallcom.2018.07.150
  2. Haihua Wu, Liwen Sang, Yumeng Li, Tokuyuki Teraji, Tiefu Li, Masataka Imura, Jianqiang You, Yasuo Koide, Masaya Toda, Meiyong Liao. Reducing intrinsic energy dissipation in diamond-on-diamond mechanical resonators toward one million quality factor. Physical Review Materials. 2 [9] (2018) 10.1103/physrevmaterials.2.090601
  3. Kongping Wu, Meiyong Liao, Liwen Sang, Jiangwei Liu, Masataka Imura, Haitao Ye, Yasuo Koide. A density functional study of the effect of hydrogen on electronic properties and band discontinuity at anatase TiO2/diamond interface. Journal of Applied Physics. 123 [16] (2018) 161599 10.1063/1.5002176
  4. Liwen Sang, Bing Ren, Meiyong Liao, Yasuo Koide, Masatomo Sumiya. Suppression in the electrical hysteresis by using CaF2 dielectric layer for p-GaN MIS capacitors. Journal of Applied Physics. 123 [16] (2018) 161423 10.1063/1.5010952
  5. Xiaoxiao Sun, Xinqiang Wang, Shitao Liu, Ping Wang, Ding Wang, Xiantong Zheng, Liwen Sang, Masatomo Sumiya, Shigenori Ueda, Mo Li, Jian Zhang, Weikun Ge, Bo Shen. Determination of the transition point from electron accumulation to depletion at the surface of In x Ga1− x N films. Applied Physics Express. 11 [2] (2018) 021001 10.7567/apex.11.021001
  6. Masatomo Sumiya, Shigenori Ueda, Kiyotaka Fukuda, Yuya Asai, Yujin Cho, Liwen Sang, Akira Uedono, Takashi Sekiguchi, Takeyoshi Onuma, Tohru Honda. Valence band edge tail states and band gap defect levels of GaN bulk and In x Ga1− x N films detected by hard X-ray photoemission and photothermal deflection spectroscopy. Applied Physics Express. 11 [2] (2018) 021002 10.7567/apex.11.021002
  7. 廖 梅勇, 井村 将隆, サン リウエン, 寺地 徳之, 小泉 聡, 小出 康夫. 単結晶ダイヤモンドMEMSデバイスの研究. NEW DIAMOND. 34 [1] (2018) 12-16
2017
  1. Tao Ji, Qian Liu, Rujia Zou, Yongfang Zhang, Lili Wang, Liwen Sang, Meiyong Liao, Junqing Hu. Enhanced UV-visible light photodetectors with a TiO2/Si heterojunction using band engineering. Journal of Materials Chemistry C. 5 [48] (2017) 12848-12856 10.1039/c7tc04811d
  2. Haihua Wu, Liwen Sang, Tokuyuki Teraji, Tiefu Li, Kongping Wu, Masataka Imura, Jianqiang You, Yasuo Koide, Meiyong Liao. Reducing energy dissipation and surface effect of diamond nanoelectromechanical resonators by annealing in oxygen ambient. Carbon. 124 (2017) 281-287 10.1016/j.carbon.2017.08.069
  3. Liwen Sang, Bing Ren, Masatomo Sumiya, Meiyong Liao, Yasuo Koide, Atsushi Tanaka, Yujin Cho, Yoshitomo Harada, Toshihide Nabatame, Takashi Sekiguchi, Shigeyoshi Usami, Yoshio Honda, Hiroshi Amano. Initial leakage current paths in the vertical-type GaN-on-GaN Schottky barrier diodes. Applied Physics Letters. 111 [12] (2017) 122102 10.1063/1.4994627
  4. Yuta Nakayasu, Takaaki Tomai, Nobuto Oka, Kanako Shojiki, Shigeyuki Kuboya, Ryuji Katayama, Liwen Sang, Masatomo Sumiya, Itaru Honma. Fabrication of Cu 2 ZnSnS 4 thin films using a Cu-Zn-Sn-O amorphous precursor and supercritical fluid sulfurization. Thin Solid Films. 638 (2017) 244-250 10.1016/j.tsf.2017.07.063
  5. WU, Kongping. Interface electronic structure and the Schottky barrier at Al-diamond interface: hybrid density functional theory HSE06 investigation. ACTA PHYSICA SINICA. 66 [8] (2017) 088102-1-088102-7 10.7498/aps.66.088102
  6. Bing Ren, Meiyong Liao, Masatomo Sumiya, Linjun Wang, Yasuo Koide, Liwen Sang. Nearly ideal vertical GaN Schottky barrier diodes with ultralow turn-on voltage and on-resistance. Applied Physics Express. 10 [5] (2017) 051001 10.7567/apex.10.051001
  7. Takaaki Tomai, Yoji Yasui, Shinji Watanabe, Yuta Nakayasu, Liwen Sang, Masatomo Sumiya, Takeshi Momose, Itaru Honma. Fabrication of three-dimensional CuInS 2 solar-cell structure via supercritical fluid processing. The Journal of Supercritical Fluids. 120 (2017) 448-452 10.1016/j.supflu.2016.05.026
  8. Meiyong Liao, Masaya Toda, Liwen Sang, Tokuyuki Teraji, Masataka Imura, Yasuo Koide. Improvement of the quality factor of single crystal diamond mechanical resonators. Japanese Journal of Applied Physics. 56 [2] (2017) 024101 10.7567/jjap.56.024101
  9. Masatomo Sumiya, Naoki Toyomitsu, Yoshitaka Nakano, Jianyu Wang, Yoshitomo Harada, Liwen Sang, Takashi Sekiguchi, Tomohiro Yamaguchi, Tohru Honda. Deep-level defects related to the emissive pits in thick InGaN films on GaN template and bulk substrates. APL Materials. 5 [1] (2017) 016105 10.1063/1.4974935
2016
  1. Kexiong Zhang, Meiyong Liao, Masataka Imura, Toshihide Nabatame, Akihiko Ohi, Masatomo Sumiya, Yasuo Koide, Liwen Sang. Electrical hysteresis in p-GaN metal–oxide–semiconductor capacitor with atomic-layer-deposited Al2O3as gate dielectric. Applied Physics Express. 9 [12] (2016) 121002 10.7567/apex.9.121002
  2. Kexiong Zhang, Meiyong Liao, Masatomo Sumiya, Yasuo Koide, Liwen Sang. Investigation on the interfacial chemical state and band alignment for the sputtering-deposited CaF2/p-GaN heterojunction by angle-resolved X-ray photoelectron spectroscopy. Journal of Applied Physics. 120 [18] (2016) 185305 10.1063/1.4967394
  3. Shusen Kang, Jian Zhang, Liwen Sang, Lok Kumar Shrestha, Zhe Zhang, Ping Lu, Feng Li, Mao Li, Katsuhiko Ariga. Electrochemically Organized Isolated Fullerene-Rich Thin Films with Optical Limiting Properties. ACS Applied Materials & Interfaces. 8 [37] (2016) 24295-24299 10.1021/acsami.6b06221
  4. Kexiong Zhang, Masatomo Sumiya, Meiyong Liao, Yasuo Koide, Liwen Sang. P-Channel InGaN/GaN heterostructure metal-oxide-semiconductor field effect transistor based on polarization-induced two-dimensional hole gas. Scientific Reports. 6 [1] (2016) 10.1038/srep23683
  5. Cuiling Li, Bo Jiang, Hungru Chen, Masataka Imura, Liwen Sang, Victor Malgras, Yoshio Bando, Tansir Ahamad, Saad M. Alshehri, Satoshi Tominaka, Yusuke Yamauchi, LI, Cuiling, JIANG, Bo, Hungru Chen, IMURA, Masataka, SANG, Liwen, MALGRAS, Victor, BANDO, Yoshio, Tansir Ahamad, Saad M. Alshehri, TOMINAKA, Satoshi, YAMAUCHI, Yusuke. Superior electrocatalytic activity of mesoporous Au film templated from diblock copolymer micelles. Nano Research. 9 [6] (2016) 1752-1762
  6. Tao Ji, Qian Liu, Rujia Zou, Yangang Sun, Kaibing Xu, Liwen Sang, Meiyong Liao, Yasuo Koide, Li Yu, Junqing Hu. An Interface Engineered Multicolor Photodetector Based on n-Si(111)/TiO2 Nanorod Array Heterojunction. Advanced Functional Materials. 26 [9] (2016) 1400-1410 10.1002/adfm.201504464
  7. Jing Zhao, Jiangwei Liu, Liwen Sang, Meiyong Liao, David Coathup, Masataka Imura, Baogui Shi, Changzhi Gu, Yasuo Koide, Haitao Ye. Assembly of a high-dielectric constant thin TiOx layer directly on H-terminated semiconductor diamond. Applied Physics Letters. 108 [1] (2016) 012105 10.1063/1.4939650
2015
  1. X. Rong, X. Q. Wang, G. Chen, X. T. Zheng, P. Wang, F. J. Xu, Z. X. Qin, N. Tang, Y. H. Chen, L. W. Sang, M. Sumiya, W. K. Ge, B. Shen. Mid-infrared Photoconductive Response in AlGaN/GaN Step Quantum Wells. Scientific Reports. 5 [1] (2015) 10.1038/srep14386
  2. Yan Zhao, Linfeng Hu, Shangpeng Gao, Meiyong Liao, Liwen Sang, Limin Wu. One-Step Self-Assembly Fabrication of High Quality NixMg1-xO Bowl-Shaped Array Film and Its Enhanced Photocurrent by Mg,2+Doping. Advanced Functional Materials. 25 [21] (2015) 3256-3263 10.1002/adfm.201500071
  3. Masatomo Sumiya, Tohru Honda, Liwen Sang, Yoshitaka Nakano, Kenji Watanabe, Fumio Hasegawa. Improvement of strained InGaN solar cell performance with a heavily doped n+-GaN substrate. physica status solidi (a). 212 [5] (2015) 1033-1038 10.1002/pssa.201431732
  4. Yao Yin, Huabin Sun, Liwen Sang, Peng Chen, Youdou Zheng, Benjamin Dierre, Masatomo Sumiya, Yi Shi, Takashi Sekiguchi. Influence of dislocations on indium diffusion in semi-polar InGaN/GaN heterostructures. AIP Advances. 5 [5] (2015) 057129 10.1063/1.4921207
  5. Liwen Sang, Meiyong Liao, Yasuo Koide, Masatomo Sumiya. InGaN-based thin film solar cells: Epitaxy, structural design, and photovoltaic properties. Journal of Applied Physics. 117 [10] (2015) 105706 10.1063/1.4914908
  6. Meiyong Liao, Jiangwei Liu, Liwen Sang, David Coathup, Jiangling Li, Masataka Imura, Yasuo Koide, Haitao Ye. Impedance analysis of Al2O3/H-terminated diamond metal-oxide-semiconductor structures. Applied Physics Letters. 106 [8] (2015) 083506 10.1063/1.4913597
2013
  1. Rujia Zou, Zhenyu Zhang, Junqing Hu, Liwen Sang, Yauso Koide, Meiyong Liao. High-detectivity nanowire photodetectors governed by bulk photocurrent dynamics with thermally stable carbide contacts. Nanotechnology. 24 [49] (2013) 495701 10.1088/0957-4484/24/49/495701
  2. Liwen Sang, Junqing Hu, Rujia Zou, Yasuo Koide, Meiyong Liao. Arbitrary Multicolor Photodetection by Hetero-integrated Semiconductor Nanostructures. Scientific Reports. 3 [1] (2013) 10.1038/srep02368
  3. Akira Uedono, Tomohito Watanabe, Shogo Kimura, Yang Zhang, Mickael Lozac'h, Liwen Sang, Shoji Ishibashi, Nagayasu Oshima, Ryoichi Suzuki, Masatomo Sumiya. Vacancy-type defects in InxGa1−xN grown on GaN templates probed using monoenergetic positron beams. Journal of Applied Physics. 114 [18] (2013) 184504 10.1063/1.4830033
  4. Liwen Sang, Meiyong Liao, Masatomo Sumiya. A Comprehensive Review of Semiconductor Ultraviolet Photodetectors: From Thin Film to One-Dimensional Nanostructures. Sensors. 13 [8] (2013) 10482-10518 10.3390/s130810482
  5. Liwen Sang, Meiyong Liao, Yasuo Koide, Masatomo Sumiya. Temperature and Light Intensity Dependence of Photocurrent Transport Mechanisms in InGaN p–i–n Homojunction Solar Cells. JAPANESE JOURNAL OF APPLIED PHYSICS. 52 [8] (2013) 08JF04-1-08JF04-4
  6. Mao Li, Jian Zhang, Hai-Jing Nie, Meiyong Liao, Liwen Sang, Wenqiang Qiao, Zhi Yuan Wang, Yuguang Ma, Yu-Wu Zhong, Katsuhiko Ariga. In situ switching layer-by-layer assembly: one-pot rapid layer assembly via alternation of reductive and oxidative electropolymerization. Chemical Communications. 49 [61] (2013) 6879 10.1039/c3cc43629b
  7. G. Chen, Z. L. Li, X. Q. Wang, C. C. Huang, X. Rong, L. W. Sang, F. J. Xu, N. Tang, Z. X. Qin, M. Sumiya, Y. H. Chen, W. K. Ge, B. Shen. Effect of polarization on intersubband transition in AlGaN/GaN multiple quantum wells. Applied Physics Letters. 102 [19] (2013) 192109 10.1063/1.4807131
  8. A. Uedono, T. Tsutsui, T. Watanabe, S. Kimura, Y. Zhang, M. Lozac'h, L. W. Sang, S. Ishibashi, M. Sumiya. Point defects introduced by InN alloying into InxGa1−xN probed using a monoenergetic positron beam. Journal of Applied Physics. 113 [12] (2013) 123502 10.1063/1.4795815
  9. Mickaël Lozac'h, Yoshitaka Nakano, Liwen Sang, Kazuaki Sakoda, Masatomo Sumiya. Fabrication of transparent conducting polymer/GaN Schottky junction for deep level defect evaluation under light irradiation. physica status solidi (a). 210 [3] (2013) 470-473 10.1002/pssa.201200716
  10. Mickael Lozac'h, Shigenori Ueda, Shitao Liu, Hideki Yoshikawa, Sang Liwen, Xinqiang Wang, Bo Shen, Kazuaki Sakoda, Keisuke Kobayashi, Masatomo Sumiya. Determination of the surface band bending in InxGa1−xN films by hard x-ray photoemission spectroscopy. Science and Technology of Advanced Materials. 14 [1] (2013) 015007 10.1088/1468-6996/14/1/015007
2012
  1. Shaoheng Cheng, Liwen Sang, Meiyong Liao, Jiangwei Liu, Masataka Imura, Hongdong Li, Yasuo Koide. Integration of high-dielectric constant Ta2O5 oxides on diamond for power devices. Applied Physics Letters. 101 [23] (2012) 232907 10.1063/1.4770059
  2. 角谷 正友, サン リウエン, 上殿明良, 中野由崇. III-V族窒化物太陽電池. 未来材料. 12 [12] (2012) 15-20
  3. Mickael Lozac'h, Yoshitaka Nakano, Liwen Sang, Kazuaki Sakoda, Masatomo Sumiya. Study of Defect Levels in the Band Gap for a Thick InGaN Film. Japanese Journal of Applied Physics. 51 [12R] (2012) 121001 10.7567/jjap.51.121001
  4. Meiyong Liao, Liwen Sang, Tokuyuku Teraji, Masataka Imura, Jose Alvarez, Yasuo Koide. Comprehensive Investigation of Single Crystal Diamond Deep-Ultraviolet Detectors. Japanese Journal of Applied Physics. 51 [9R] (2012) 090115 10.7567/jjap.51.090115
  5. A. Uedono, S. Ishibashi, T. Watanabe, X. Q. Wang, S. T. Liu, G. Chen, L. W. Sang, M. Sumiya, B. Shen. Vacancy-type defects in InxGa1–xN alloys probed using a monoenergetic positron beam. Journal of Applied Physics. 112 [1] (2012) 014507 10.1063/1.4732141
  6. 角谷 正友, サン リウエン. 窒化物薄膜やZnO薄膜など次世代太陽電池に期待されるマテリアル. マテリアルステージ. 12 [2] (2012) 46-49
  7. L. W. Sang, M. Y. Liao, Y. Koide, M. Sumiya. InGaN photodiodes using CaF2 insulator for high-temperature UV detection. physica status solidi (c). 9 [3-4] (2012) 953-956 10.1002/pssc.201100374

会議録 TSV

2014
  1. SUMIYA, Masatomo, SANG, Liwen. III-V族窒化物物の光電変換デバイスへの応用. 平成25年度多元系化合物・太陽電池研究会 年末講演会 本稿集 2014, 7-10
2012
  1. L. W. Sang, M. Y. Liao, Y. Koide, M. Sumiya. InGaN photodiodes using CaF2 insulator for high-temperature UV detection. PHYSICA STATUS SOLIDI C-CURRENT TOPICS IN SOLID STATE PHYSICS 2012, 953-956
  2. SUMIYA, Masatomo, SANG, Liwen, LOZACH, Mickael. III-V族窒化物薄膜の太陽電池応用. 信学技報 2012, 9-12
  3. A.Uedono, S.Ishibashi, T.Watanabe, X.Q.Wang, S.T.Liu, G.Chen, SANG, Liwen, SUMIYA, Masatomo, B.Shen. Defect Characterization of InGaN Alloys Probed Using a Monoenergetic Positron Beam. Proceedings of The 11th International Symposium on Advanced Technology 2012, 113-114

口頭発表 TSV

2019
  1. 廖 梅勇, サン リウエン, 井村 将隆, 小泉 聡, 小出 康夫. On-chip Single Crystal Diamond MEMS with Electrical Actuation and Sensing. 2019年 第80回応用物理学会秋季学術講演会. 2019
  2. 廖 梅勇, ウ ハイファ, サン リウエン, 井村 将隆, 寺地 徳之, 小出 康夫. Ultra-high quality factors and high-reliability diamond mechanical resonators on diamond. 13th Conference on New Diamond and Nano Carbons (NDNC2019. 2019
  3. 廖 梅勇, サン リウエン, 嶋岡 毅紘, 井村 将隆, 小泉 聡, 小出 康夫. Metal-insulator-metal-semiconductor (MIMS) field-effect transistors based on semiconductor diamond with controllable threshold voltages . The 13th New Diamond and Nano Carbon Conference(NDNC 2019). 2019
  4. KINDOLE Dickson Zakaria, IMANAKA Yasutaka, TAKEHANA Kanji, SANG Liwen, SUMIYA Masatomo. Carrier concentration dependence of cyclotron resonance in AlGaN/GaN heterostructures. The 74TH JPS ANNUAL MEETING (2019). 2019
  5. 廖 梅勇, ウ ハイファ, サン リウエン, 井村 将隆, 小泉 聡, 小出 康夫. Electrical readout of diamond MEMS resonators. 2019年 第66回応用物理学会春季学術講演会. 2019
  6. KINDOLE Dickson Zakaria, IMANAKA Yasutaka, TAKEHANA Kanji, SANG Liwen, SUMIYA Masatomo. Cyclotron Resonance in Quantum Hall Systems. NIMS AMCP Symposium 2019. 2019
  7. 廖 梅勇, ウ ハイファ, サン リウエン, 寺地 徳之, 井村 将隆, 小出 康夫. Ultrahigh Quality factor diamond MEMS resonator. The 6th French Japanese workshop on diamond power devices. 2019
2018
  1. サン リウエン. Investigation on the trap states at p-GaN MO(I)S interface with different gate dielectric layers. 2018 MRS Fall Meeting & Exhibit. 2018
  2. サン リウエン. Interface trap states at p-GaN MO(I)S capacitors with different gate dielectrics. IWN2018. 2018
  3. 任 兵, 角谷 正友, Jian Huang, Ke Tang, 廖 梅勇, Linjun Wang, サン リウエン, 小出 康夫. Interface trap characterization of Al2O3/GaN MOS capacitors on GaN substrate with surface treatments. IWN2018. 2018
  4. 福田 清貴, 浅井 祐哉, サン リウエン, 吉越章隆, 尾沼猛儀, 山口智広, 本田徹, 角谷 正友. Evaluation of Al2O3 /n-, p-GaN samples by photothermal deflection spectroscopy. International workshop of nitride semiconductors 2018. 2018
  5. LIAO, Meiyong, WU, Haihua, SANG, Liwen, IMURA, Masataka, TERAJI, Tokuyuki, KOIDE, Yasuo. 超高品質因子を持つ単結晶ダイヤモンドMEMS共振子. 第79回応用物理学会秋季学術講演会. 2018
  6. サン リウエン, 任 兵, 廖 梅勇, 小出 康夫, 角谷 正友. Investigation on the trap states at p-GaN MO(I)S interface with different gate dielectric layers. 応用物理学会. 2018
  7. FUKUDA, Kiyotaka, ASAI, Yuya, SANG, Liwen, Akitaka Yoshigoe, Akira Uedono, ISHIGAKI, Takamasa, Takeyoshi Onuma, Tomohiro Yamaguchi, Tohru Honda, SUMIYA, Masatomo. Al2O3/n-, p-GaN構造の光熱偏向分光法による評価. 第79回応用物理学会秋季学術講演会. 2018
  8. YUGE, Kazuya, NABATAME, Toshihide, IROKAWA, Yoshihiro, OHI, Akihiko, IKEDA, Naoki, Akira Uedono, SANG, Liwen, KOIDE, Yasuo, Tomoji Ohishi. Analysis of deep traps at Al2O3/n-GaN interface using photo-assisted C-V measurement. Solid State Devices and Materials. 2018
  9. KINDOLE, Dickson Zakaria, IMANAKA, Yasutaka, TAKEHANA, Kanji, SANG, Liwen, SUMIYA, Masatomo. Polaron Cyclotron Resonance in AlGaN/GaN heterostructures. 34th Int. Conf. on the Physics of Semiconductors. 2018
  10. SUMIYA, Masatomo, KINDOLE, Dickson Zakaria, IMANAKA, Yasutaka, TAKEHANA, Kanji, SANG, Liwen. Terahertz Cyclotron Resonance in AlGaN/GaN Heterostructures. 19th Int. Conf. Semiconductors and Application. 2018
  11. NABATAME, Toshihide, IROKAWA, Yoshihiro, OHI, Akihiko, IKEDA, Naoki, SANG, Liwen, KOIDE, Yasuo, Tomoji Ohishi. Al2O3/n-GaNキャパシタの自然酸化膜層が電気特性へ及ぼす影響. シリコン材料・デバイス研究会 (SDM). 2018
  12. YUGE, Kazuya, IROKAWA, Yoshihiro, OHI, Akihiko, IKEDA, Naoki, SANG, Liwen, Tomoji Ohishi, KOIDE, Yasuo. Role of a native oxide interlayer on electrical characteristics of Al2O3/n-GaN capacitors. Joint ISTDM/ISCI 2018 Conference. 2018
  13. KINDOLE, Dickson Zakaria, IMANAKA, Yasutaka, TAKEHANA, Kanji, SANG, Liwen, SUMIYA, Masatomo. 強磁場サイクロトロン共鳴による GaN二次元電子系の有効質量の評価 II. 日本物理学会第73回年次大会. 2018
  14. SUMIYA, Masatomo, FUKUDA, Kiyotaka, UEDA, Shigenori, ASAI, Yuya, CHO, Yujin, SEKIGUCHI, Takashi, Akira Uedono, Takeyoshi Onuma, SANG, Liwen, Tomohiro Yamaguchi, Toru Honda. III-V 族窒化物の価電子帯構造およびギャップ内準位の評価. 第65回応用物理学会春季学術講演会. 2018
  15. FUKUDA, Kiyotaka, Takeyoshi Onuma, Tomohiro Yamaguchi, Toru Honda, IWAI, Hideo, SANG, Liwen, SUMIYA, Masatomo. イオン注入した GaN の光熱偏向分光法による評価. 第65回応用物理学会春季学術講演会. 2018
  16. YUGE, Kazuya, NABATAME, Toshihide, IROKAWA, Yoshihiro, OHI, Akihiko, IKEDA, Naoki, SANG, Liwen, CHIKYOW, Toyohiro, KOIDE, Yasuo, Ohishi Tomoji. Al2O3/n-GaNキャパシタの酸化ガリウム界面層が電気特性へ及ぼす影響. 第65回応用物理学会春季学術講演会. 2018
  17. KINDOLE, Dickson Zakaria, IMANAKA, Yasutaka, TAKEHANA, Kanji, SANG, Liwen, SUMIYA, Masatomo. Terahertz Cyclotron resonance in AlGaN/GaN hetrostructures Dickson. NIMS先端計測シンポジウム2018. 2018
2017
  1. KINDOLE, Dickson Zakaria, IMANAKA, Yasutaka, TAKEHANA, Kanji, SANG, Liwen, SUMIYA, Masatomo. Cyclotron Resonance in GaN Quantum Hall Systems. 強磁場フォーラム研究会. 2017
  2. LIAO, Meiyong, WU, Haihua, SANG, Liwen, TERAJI, Tokuyuki, IMURA, Masataka, KOIDE, Yasuo. 超高品質因子を持つ単結晶ダイヤモンドMEMS振動子. 第31回ダイヤモンドシンポジウム. 2017
  3. LIAO, Meiyong, WU, Haihua, SANG, Liwen, TERAJI, Tokuyuki, IMURA, Masataka, KOIDE, Yasuo. ltra-high quality factor single crystal diamond MEMS resonators. OIST Diamond Workshop 2017” (ODW2017). . 2017
  4. IMANAKA, Yasutaka, KINDOLE, Dickson Zakaria, TAKEHANA, Kanji, SANG, Liwen, SUMIYA, Masatomo. 強磁場サイクロトロン共鳴による GaN二次元電子系の有効質量の評価. 日本物理学会2017年秋季大会. 2017
  5. TERAJI, Tokuyuki, Haihua Wu, SANG, Liwen, WU, Kongping, IMURA, Masataka, KOIDE, Yasuo, LIAO, Meiyong. Reducing energy dissipation and surface effect of diamond nanoelectromechanical resonators by annealing in oxygen ambient. EMRS 2017 Fall meeting. 2017
  6. FUKUDA, Kiyotaka, Takeyoshi Onuma, SANG, Liwen, Tomohiro Yamaguchi, Toru Honda, SUMIYA, Masatomo. 光熱偏向分法による 光熱偏向分法による Ga 1-xIn xN薄膜の評価. 第78回応用物理学会秋季学術講演会. 2017
  7. LIAO, Meiyong, WU, Haihua, SANG, Liwen, TERAJI, Tokuyuki, IMURA, Masataka, KOIDE, Yasuo. Surface effect and improvement of the quality factor of single crystal diamond NEMS resonators . 28th International Conference on Diamond and Carbon Materials. 2017
  8. SANG, Liwen, LIAO, Meiyong, SUMIYA, Masatomo, KOIDE, Yasuo. Strain and dislocations in the InGaN-based intermediate-band solar cells. International Conference on Defects in Semiconductors(ICDS) 2017. 2017
  9. SANG, Liwen, LIAO, Meiyong, SUMIYA, Masatomo, KOIDE, Yasuo. Strain and dislocations in the InGaN-based intermediate-band solar cel ls. International Conference on Defects in Semiconductors. 2017
  10. SANG, Liwen, LIAO, Meiyong, SUMIYA, Masatomo, KOIDE, Yasuo. The influence of interface states on the CaF2/p-GaN metal-insulator-semiconductor capacitors. International Conference on Defects in Semiconductors(CDS) 2017. 2017
  11. REN, Bing, LIAO, Meiyong, SUMIYA, Masatomo, KOIDE, Yasuo, SANG, Liwen. Fixed Charge and Trap States in Ni/Al2O3/GaN MIS Schottky Barrier Diodes for Power Device. International Conference on Defects in Semiconductors(ICDS) 2017. 2017
  12. LIAO, Meiyong, SANG, Liwen, IMURA, Masataka, KOIDE, Yasuo. Interface states governed photoelectrical properties of diamond deep-ultraviolet detector. The 29th International Conference on Defects in Semiconductors. 2017
  13. WU, Kongping, SANG, Liwen, IMURA, Masataka, KOIDE, Yasuo, LIAO, Meiyong. Effect of surface hydrogen termination on the interface electronic properties of TiO2/diamond heterostructure. The 29th International Conference on Defects in Semiconductors . 2017
  14. LIAO, Meiyong, WU, Haihua, SANG, Liwen, IMURA, Masataka, TERAJI, Tokuyuki. The Effect of Annealing in Oxygen Ambient on the Single Crystal Diamond Mechanical Resonetors. 第64回応用物理学会春季学術講演会. 2017
  15. SANG, Liwen, REN, Bing, LIAO, Meiyong, SUMIYA, Masatomo, KOIDE, Yasuo. Growth rate dependence and leakage mechanism for vertical-type Schottky barrier diodes fabricated on MOCVD-GaN/GaN substrates . 第64回応用物理学会春季学術講演会. 2017
  16. WU, Haihua, SANG, Liwen, KOIDE, Yasuo, LIAO, Meiyong. High quality factor submicron-thick single crystal diamond cantilevers. つくば医工連携フォーラム 2017. 2017
2016
  1. SUMIYA, Masatomo, SANG, Liwen. InGaN系太陽電池の欠陥制御と高効率化. 2016年真空・表面科学合同講演会:第36回表面科学学術講演会・第57回. 2016
  2. MeiyongLiao, Masaya Toda, SANGLiwen, 寺地徳之, 井村将隆, 小出康夫. High-quality factor diamond mechanical resonators. 第30回ダイヤモンドシンポジウム. 2016
  3. SANG, Liwen. Photoelectricity energy conversion devices based on III-V Nitride semiconductors. The 6th Annual World Congress of Nano Science & Technology 2016. 2016
  4. ZHANG, Kexiong, SUMIYA, Masatomo, LIAO, Meiyong, KOIDE, Yasuo, SANG, Liwen. InGaN/GaN Heterostructure p-channel metal-oxide-semiconductor field effect transistor by using polarization-induced two-dimensional hole gas. International Workshop on Nitride Semiconductors (IWN 2016). 2016
  5. MATSUURA, Haruka, SANG, Liwen, SUMIYA, Masatomo, Tomohiro Yamaguchi, Tohru Honda. Impact of buffer layer thickness and annealing time for the optical and structural properties of GaN epilayers grown on sapphire. European Materials Research Society 2016 Fall Meeting. 2016
  6. LIAO, Meiyong, Masaya Toda, SANG, Liwen, TERAJI, Tokuyuki, IMURA, Masataka, KOIDE, Yasuo. 単結晶ダイヤモンド機械共振子の品質係数の向上. 第77回応用物理学会秋季学術講演会. 2016
  7. LIAO, Meiyong, Masaya Toda, SANG, Liwen, HISHITA, Shunichi, IMURA, Masataka, Shuji Tanaka, KOIDE, Yasuo. Single Crystal Diamond Micromechanical and Nanomechanical Resonators. The 10th International Conference on New Diamond and Nano Carbon. 2016
  8. SANG, Liwen, ZHANG, Kexiong, SUMIYA, Masatomo, LIAO, Meiyong, KOIDE, Yasuo. PチャネルInGaN/GaN ヘテロ構造金属酸化物半導体電界効果トランジスタ. 応用物理学会春季学術講演会. 2016
  9. LIAO, Meiyong, Masaya Toda, SANG, Liwen, HISHITA, Shunichi, IMURA, Masataka, Shuji Tanaka, KOIDE, Yasuo. 単結晶ダイヤモンド機械共振子のエネルギー散逸機構. 第63回応用物理学会春季学術講演会. 2016
  10. SANG, Liwen. Photoelectricity energy conversion devices based on III-V nitride semiconductors. 2016 International Symposium toward the Future of Advanced Resea. 2016
2015
  1. LIAO, Meiyong, LIU, Jiangwei, SANG, Liwen, David Coatchup, Jiangling Li, IMURA, Masataka, KOIDE, Yasuo, Haitao Ye. Impedance Analysis of Hydrogen-Terminated Diamond MOS Structure. MRS Fall Meeting 2015 . 2015
  2. IMANAKA, Yasutaka, TAKEHANA, Kanji, SANG, Liwen, SUMIYA, Masatomo. Magneto-transmission in GaN quantum Hall systems. ICFSI-15. 2015
  3. SUMIYA, Masatomo, SANG, Liwen. 窒化物太陽電池の現状と課題. 第76回応用物理学会秋季学術講演会. 2015
  4. SANG, Liwen. Novel concepts for photoelectricity energy conversion devices based on III-Nitride semiconductors. 11th International Conference on Nitride Semiconductors. 2015
  5. LIAO, Meiyong, LIU, Jiangwei, SANG, Liwen, David Coatchup, Jiangling Li, IMURA, Masataka, Haitao Ye, KOIDE, Yasuo. Impedance Spectroscopy of Diamond MOS Structure. the 9th International Conference on New Diamonds and Nano Carbon. 2015
  6. SANG, Liwen. Temperature dependence of photovoltaic properties in InGaN solar cells. 2015 MRS Spring Meeting & Exhibit. 2015
  7. TOYOMITSU, Naoki, HARADA, Yoshitomo, SANG, Liwen, SEKIGUCHI, Takashi, Tomohiro Yamaguchi, Tohru Honda, SUMIYA, Masatomo. InGaN薄膜表面に形成されたピットのCLと不純物との相関. 第62回応用物理学会春季学術講演会. 2015
  8. SANG, Liwen. III-V Nitride-based solar cells with a super-wide absorption spectrum. MANA International Symposium. 2015
2014
  1. Naoki Toyomitsu, SANG, Liwen, Tomohiro Yamaguchi, Toru Honda, SUMIYA, Masatomo. 下地GaN層の歪の異なるGaInN薄膜表面ピット形成と蛍光特性. 第3回結晶工学未来塾. 2014
  2. SUMIYA, Masatomo, SANG, Liwen, Fumio Hasegawa, Yoshitaka Nakano. III-V族窒化物太陽電池特性のp-GaN 層Mg dopingと InGaN層のキャリア密度依存性. 第75回応用物理学会秋季学術講演会. 2014
  3. SANG, Liwen, LIAO, Meiyong, KOIDE, Yasuo, SUMIYA, Masatomo. Multilevel intermediate-band solar cell based on III-Nitrides. The International Workshop on Nitride Semiconductors (IWN2014). 2014
  4. SUMIYA, Masatomo, Toru Honda, SANG, Liwen, Yoshitaka Nakano, Fumio Hasegawa. Improvement of Strained InGaN Solar Cell Performance with a Heavily Doped n+-GaN Substrate. International workshop on nitride semiconductors. 2014
  5. SANG, Liwen, LIAO, Meiyong, SUMIYA, Masatomo. Photoelectrical energy-conversion devices based on III-Nitride semiconductors. The Tenth International Nanotechnology Conference on Communicati. 2014
  6. SANG, Liwen, LIAO, Meiyong, SUMIYA, Masatomo. Enhanced performance of InGaN solar cell by using a super-thin AlN interlayer. 10th Photovoltaic Science Application and Technology (PVSAT-10) . 2014
  7. TOYOMITSU, Naoki, SANG, Liwen, Toru Honda, SUMIYA, Masatomo. 蛍光顕微鏡と2次イオン質量分析を用いたGaInN薄膜の不均一評価. 2014年第61回応用物理学会春季学術講演会. 2014
  8. SUMIYA, Masatomo, SANG, Liwen, Fumio Hasegawa, Yoshitaka Nakano. III-V族窒化物薄膜太陽電池の歪を考慮した計算解析. 2014年第61回応用物理学会春季学術講演会. 2014
2013
  1. Y. Naknao, SANG, Liwen, SUMIYA, Masatomo, F. Hasegawa. Electrical Characterization of p-i-n Junction Based on Thick i-InGaN Film for Photovoltaic Applications. 2013 MRS Fall meeting. 2013
  2. Y. Naknao, SANG, Liwen, SUMIYA, Masatomo. Deep-Level Characterization of Thick InGaN Films with Various In Contents for Photovoltaic Applications. 2013 MRS Fall meeting. 2013
  3. SUMIYA, Masatomo, SANG, Liwen. Growth of Wurtzite Nitride and Oxide Films by Metalorganic Chemical Vapor Deposition for the Device Application. 2nd International conference on advanced electronics. 2013
  4. Akira Uedono, T. Watanabe, S. Kimura, Y. Zhang, LOZACH, Mickael, SANG, Liwen, S. Ishibashi, N. Oshima, R. Suzuki, SUMIYA, Masatomo. Point Defect Characterization in InGaN by Using Monoenergetic Positron Beams. 12th Inter. Conf. on Atomically Contr. Surface, Interfaces & Nan. 2013
  5. SANG, Liwen, LIAO, Meiyong, SUMIYA, Masatomo. Photoelectrical energy conversion devices based on III-Nitride semiconductors. IUPAC 9th International Conference on Novel Materials. 2013
  6. SANG, Liwen, LIAO, Meiyong, LIANG, Qifeng, TAKEGUCHI, Masaki, DIERRE, Benjamin, SEKIGUCHI, Takashi, KOIDE, Yasuo, SUMIYA, Masatomo. Multilevel intermediate-band solar cells based on III-Nitrides. 2013年 第74回応用物理学会秋季学術講演会. 2013
  7. LIAO, Meiyong, Masaya Toda, SANG, Liwen, IMURA, Masataka, HISHITA, Shunichi, Shuji Tanaka, KOIDE, Yasuo. 単結晶ダイヤモンドナノマシン共振特性のサイズ依存性. 2013年 第74回応用物理学会秋季学術講演会. 2013
  8. SANG, Liwen, LIAO, Meiyong, KOIDE, Yasuo, SUMIYA, Masatomo. Multilevel intermediate-band solar cells based on III-Nitrides. 10th International Conference on Nitride Semiconductors. 2013
  9. SANG, Liwen, LIAO, Meiyong, SUMIYA, Masatomo. Multilevel Intermediate-band Solar cell based on III-Nitrides. 10th International Conference on Nitride Semiconductors. 2013
  10. Akira Uedono, T. Tsutusi, T. Watanabe, S. Kimura, Y. Zhang, LOZACH, Mickael, SANG, Liwen, S. Ishibashi, SUMIYA, Masatomo. Vacancy-type defects in InGaN grown by metal organic chemical vapor deposition probed using a monoenergetic positron beam. 55th Electronic Materials. 2013
  11. LIAO, Meiyong, Masaya Toda, SANG, Liwen, IMURA, Masataka, HISHITA, Shunichi, IKEDA, Naoki, Shuji Tanaka, KOIDE, Yasuo. Scaling single crystal diamond MEMS/NEMS resonators. 2013 New Diamond and Nanocarbon (NDNC2013) conference. 2013
  12. SUMIYA, Masatomo, Yoshitaka Nakano, SANG, Liwen, LOZACH, Mickael, Hasegawa Fumio. Electrical Characterization of InGaN p-i-n junction and solar cell property. The 6th Asia-Pacific Workshop on Widegap Semiconductions. 2013
  13. SUMIYA, Masatomo, LOZACH, Mickael, UEDA, Shigenori, S. Liu, YOSHIKAWA, Hideki, B. SHen, X. Wang, SANG, Liwen. Angle-resolved analysis of surface band bending in InxGa1-xN films by hard X-ray photoemission spectroscopy. LEDIA '13. 2013
  14. LIAO, Meiyong, Masaya Toda, SANG, Liwen, IMURA, Masataka, IKEDA, Naoki, Shuji Tanaka, KOIDE, Yasuo. 単結晶ダイヤモンド機械共振特性の研究. 2013年 第60回応用物理学会春季学術講演会. 2013
2012
  1. LIAO, Meiyong, SANG, Liwen, HISHITA, Shunichi, IKEDA, Naoki, IMURA, Masataka, KOIZUMI, Satoshi, KOIDE, Yasuo. ダイヤモンド・ナノマシンスイッチの創製. 第25回ダイヤモンドシンポジウム. 2012
  2. SANG, Liwen, LIAO, Meiyong, KOIDE, Yasuo, SUMIYA, Masatomo. Photo-electricity energy conversion devices based on InGaN film. International Workshop on Nitride Semiconductors 2012(IWN2012). 2012
  3. SANG, Liwen, LIAO, Meiyong, KOIDE, Yasuo, SUMIYA, Masatomo. Photoelectrical energy-conversion devices based on III-Nitride semiconductors. IWN 2012. 2012
  4. LIAO, Meiyong, TERAJI, Tokuyuki, SANG, Liwen, IMURA, Masataka, KOIDE, Yasuo. Strategies to develop single crystal diamond deep-ultraviolet detectors. IUMRS-International Conference on Electronic Materials 2012. 2012
  5. LIAO, Meiyong, SANG, Liwen, IKEDA, Naoki, IMURA, Masataka, KOIDE, Yasuo. 単結晶ダイヤモンド・マイクロマシニングの研究. 2012年 秋季 第73回応用物理学会学術講演会. 2012
  6. SANG, Liwen, LIAO, Meiyong, IKEDA, Naoki, SUMIYA, Masatomo, KOIDE, Yasuo. 極薄AlN挿入によるInGaN太陽電池特性の向上. 2012年 秋季 第73回応用物理学会学術講演会. 2012
  7. SANG, Liwen, LIAO, Meiyong, IKEDA, Naoki, KOIDE, Yasuo, SUMIYA, Masatomo. 極薄AIN挿入によるInGaN太陽電池特性の向上. 第73回応用物理学会学術講演会. 2012
  8. T.Watanabe, A.Uedono, S.Ishibashi, X.Q.Wang, S.T.Liu, G.Chen, SANG, Liwen, SUMIYA, Masatomo, B.Shen. 低速陽電子ビームを用いたInxGa1-xN混晶の空孔型欠陥の検出. 第73回応用物理学会学術講演会. 2012
  9. Y.Nakano, M.Nibe, LOZACH, Mickael, SANG, Liwen, SUMIYA, Masatomo. InGaN厚膜の欠陥準位評価. 第73回応用物理学会学術講演会. 2012
  10. LIAO, Meiyong, HISHITA, Shunichi, KOIZUMI, Satoshi, TERAJI, Tokuyuki, SANG, Liwen, IMURA, Masataka, KOIDE, Yasuo. Single crystal diamond MEMS/NEMS. International Conference on Diamond and Carbon Materials. 2012
  11. SUMIYA, Masatomo, SANG, Liwen, LOZACH, Mickael, Y.Nakano. Growth and deep level defect evaluation of InGaN films for the application of photovoltaic devices. International Symposium of Growth of III-Nitrides(ISCN-4). 2012
  12. LIAO, Meiyong, SANG, Liwen, IMURA, Masataka, IKEDA, Naoki, HISHITA, Shunichi, KOIDE, Yasuo. Single crystal diamond MEMS/NEMS: surface machining, devices, and simulation. New Diamond and Nano Carbons 2012. 2012
  13. SANG, Liwen, LIAO, Meiyong, IKEDA, Naoki, KOIDE, Yasuo, SUMIYA, Masatomo. Photoelectrical energy-conversion devices based on III-Nitrde semiconductors. Nano Thailand 2012 conference. 2012
  14. LOZACH, Mickael, Yoshitaka Nakano, SANG, Liwen, SAKODA, Kazuaki, SUMIYA, Masatomo. Schottky properties enhanced by using compensated Mg doped InGaN thin films material at interface metal-InGaN. ISPlasma2012. 2012
2010
  1. SUMIYA, Masatomo, SANG, Liwen, LOZACH, Mickael. 次世代太陽電池における窒化物半導体太陽電池位置づけとそのロードマップ. 第125委員会・第162委員会合同研究会 「高効率太陽電池の最前線」. 2010
  2. SANG, Liwen, Mickael Lozach, SUMIYA, Masatomo. Suppression of Phase Separation in InGaN film and Fabrication of InGaN solar cells. 平成22年度 窒化物ナノ・エレクトロニクス材料研究センター講演会. 2010
  3. SUMIYA, Masatomo, LOZACH, Mickael, SANG, Liwen. Study on the junction o fIII-V nitride films for the application of solar cell . 3rd International symposimu on innovative solar cells . 2010
  4. SUMIYA, Masatomo, LOZACH, Mickael, SANG, Liwen. III-V族窒化物薄膜の太陽電池応用に向けた接合に関する研究. the 3rd International symposimu on innovative solar cells. 2010

特許 TSV

登録特許
  1. 特許第5791026号 紫外光検出デバイス及びその製造方法 (2015)
公開特許
  1. 特開2015149376号 半導体光検出器 (2015)
外国特許

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