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イ ウェイ
退職
2020年11月退職

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論文 TSV

2022
  1. Jun Uzuhashi, Jun Chen, Ashutosh Kumar, Wei Yi, Tadakatsu Ohkubo, Ryo Tanaka, Shinya Takashima, Masaharu Edo, Kacper Sierakowski, Michal Bockowski, Hideki Sakurai, Tetsu Kachi, Takashi Sekiguchi, Kazuhiro Hono. Atomic-scale investigation of implanted Mg in GaN through ultra-high-pressure annealing. Journal of Applied Physics. 131 [18] (2022) 185701 10.1063/5.0087248 Open Access
2021
  1. A. V. Sobolev, Wei Yi, A. A. Belik, I. S. Glazkova, I. A. Presniakov. Local Structure and Magnetic Hyperfine Interactions of 57Fe Probe Nuclei in TlCr0.9557Fe0.05O3. Journal of Experimental and Theoretical Physics. 133 [1] (2021) 49-58 10.1134/s1063776121060157
2020
  1. Jun Chen, Wei Yi, Ashutosh Kumar, Akio Iwanade, Ryo Tanaka, Shinya Takashima, Masaharu Edo, Shun Ito, Takashi Kimura, Tadakatsu Ohkubo, Takashi Sekiguchi. Electron-Beam-Induced Current Study of Dislocations and Leakage Sites in GaN Schottky Barrier Diodes. Journal of Electronic Materials. 49 [9] (2020) 5196-5204 10.1007/s11664-020-08081-2
  2. A. Ogura, W. Yi, J. Chen, H. Suzuki, M. Imaizumi. Cathodoluminescence Study of Dislocations in Step-Graded InGaP Buffer Layers of Metamorphic Single-Junction InGaAs Solar Cells. Journal of Electronic Materials. 49 [9] (2020) 5219-5225 10.1007/s11664-020-08259-8
  3. Wei Yi, Jun Chen, Takashi Sekiguchi. Electron-Beam-Induced Current and Cathodoluminescence Study of Dislocations in SrTiO3. Crystals. 10 [9] (2020) 736 10.3390/cryst10090736 Open Access
  4. Ashutosh Kumar, Wei Yi, Jun Uzuhashi, Tadakatsu Ohkubo, Jun Chen, Takashi Sekiguchi, Ryo Tanaka, Shinya Takashima, Masaharu Edo, Kazuhiro Hono. Influence of implanted Mg concentration on defects and Mg distribution in GaN. Journal of Applied Physics. 128 [6] (2020) 065701 10.1063/5.0014717
  5. Wei Yi, Ashutosh Kumar, Jun Uzuhashi, Takashi Kimura, Ryo Tanaka, Shinya Takashima, Masaharu Edo, Yongzhao Yao, Yukari Ishikawa, Jun Chen, Tadakatsu Ohkubo, Takashi Sekiguchi, Kazuhiro Hono. Mg diffusion and activation along threading dislocations in GaN. Applied Physics Letters. 116 [24] (2020) 242103 10.1063/5.0009596
  6. Takahiro Nagata, Tomohiro Yamaguchi, Shigenori Ueda, Wei Yi, Jun Chen, Takuya Kobayashi, Hirokazu Yokoo, Tohru Honda, Yoshiyuki Yamashita, Toyohiro Chikyow. Photoelectron spectroscopic study on electronic state of corundum In2O3 epitaxial thin film grown by mist-CVD. Japanese Journal of Applied Physics. 59 [SI] (2020) SIIG12 10.35848/1347-4065/ab84b2
  7. Le Wang, Ran Wei, Peng Zheng, Shihai You, Tian-Liang Zhou, Wei Yi, Takashi Takeda, Naoto Hirosaki, Rong-Jun Xie. Realizing high-brightness and ultra-wide-color-gamut laser-driven backlighting by using laminated phosphor-in-glass (PiG) films. Journal of Materials Chemistry C. 8 [5] (2020) 1746-1754 10.1039/c9tc05807a
2019
  1. Peng Wang, Wei Yi, Jun Chen, Shun Ito, Can Cui, Takashi Sekiguchi. Oxygen vacancy migration along dislocations in SrTiO3 studied by cathodoluminescence. Journal of Physics D: Applied Physics. 52 [47] (2019) 475103 10.1088/1361-6463/ab3b3e
  2. A. V. Sobolev, A. V. Bokov, W. Yi, A. A. Belik, I. A. Presniakov, I. S. Glazkova. Electric Hyperfine Interactions of 57Fe Impurity Atoms in ACrO3 Perovskite-Type Chromites (A = Sc, In, Tl, Bi). Journal of Experimental and Theoretical Physics. 129 [5] (2019) 896-902 10.1134/s1063776119090127
  3. Alexey V. Sobolev, Iana S. Glazkova, Alena A. Akulenko, Ilya Sergueev, Alexandr I. Chumakov, Wei Yi, Alexei A. Belik, Igor A. Presniakov. 61Ni Nuclear Forward Scattering Study of Magnetic Hyperfine Interactions in Double Perovskites A2NiMnO6 (A = Sc, In, Tl). The Journal of Physical Chemistry C. 123 [38] (2019) 23628-23634 10.1021/acs.jpcc.9b06621
  4. Wei Yi, Jun Uzuhashi, Jun Chen, Takashi Kimura, Satoshi Kamiyama, Tetsuya Takeuchi, Tadakatsu Ohkubo, Takashi Sekiguchi, Kazuhiro Hono. Cathodoluminescence and scanning transmission electron microscopy study of InGaN/GaN quantum wells in core-shell GaN nanowires. Applied Physics Express. 12 [8] (2019) 085003 10.7567/1882-0786/ab2e37
  5. Lei Ding, Dmitry D. Khalyavin, Pascal Manuel, Joseph Blake, Fabio Orlandi, Wei Yi, Alexei A. Belik. Colossal magnetoresistance in the insulating ferromagnetic double perovskites Tl2NiMnO6: A neutron diffraction study. Acta Materialia. 173 (2019) 20-26 10.1016/j.actamat.2019.04.044
  6. Jun Chen, Wei Yi, Takashi Kimura, Shinya Takashima, Masaharu Edo, Takashi Sekiguchi. Cathodoluminescene study of Mg implanted GaN: the impact of dislocation on Mg diffusion. Applied Physics Express. 12 [5] (2019) 051010 10.7567/1882-0786/ab14cb Open Access
  7. Wei Yi, Jun Chen, Seiji Higuchi, Takashi Sekiguchi. Wafer-scale analysis of GaN substrate wafer by imaging cathodoluminescence. Applied Physics Express. 12 [5] (2019) 051005 10.7567/1882-0786/ab0db8 Open Access
  8. Jiayong Si, Le Wang, Lihong Liu, Wei Yi, Gemei Cai, Takashi Takeda, Shiro Funahashi, Naoto Hirosaki, Rong-Jun Xie. Structure, luminescence and energy transfer in Ce3+ and Mn2+ codoped γ-AlON phosphors. Journal of Materials Chemistry C. 7 [3] (2019) 733-742 10.1039/c8tc05430d
2018
  1. Wei Yi, Jun Chen, Shun Ito, Koji Nakazato, Takashi Kimura, Takashi Sekiguchi, Kozo Fujiwara. Investigation of Si Dendrites by Electron-Beam-Induced Current. Crystals. 8 [8] (2018) 317 10.3390/cryst8080317 Open Access
  2. I. S. Glazkova, A. V. Sobolev, W. Yi, A. A. Belik, I. A. Presniakov. Hyperfine Interactions of 57Fe Nuclei in ScCo1–xFexO3 (x = 0.05, 0.4) Substituted Cobaltites. Journal of Experimental and Theoretical Physics. 126 [4] (2018) 514-522 10.1134/s1063776118030135
2017
  1. Lei Ding, Pascal Manuel, Dmitry D. Khalyavin, Fabio Orlandi, Yu Kumagai, Fumiyasu Oba, Wei Yi, Alexei A. Belik. Unusual magnetic structure of the high-pressure synthesized perovskites ACrO3 (A=Sc , In, Tl). Physical Review B. 95 [5] (2017) 054432 10.1103/physrevb.95.054432
2015
  1. Wei Yi, Andrew J. Princep, Yanfeng Guo, Roger D. Johnson, Dmitry Khalyavin, Pascal Manuel, Anatoliy Senyshyn, Igor A. Presniakov, Alexey V. Sobolev, Yoshitaka Matsushita, Masahiko Tanaka, Alexei A. Belik, Andrew T. Boothroyd. Sc2NiMnO6: A Double-Perovskite with a Magnetodielectric Response Driven by Multiple Magnetic Orders. Inorganic Chemistry. 54 [16] (2015) 8012-8021 10.1021/acs.inorgchem.5b01195
  2. Wei Yi, Igor A Presniakov, Alexey V Sobolev, Yana S Glazkova, Yoshitaka Matsushita, Masahiko Tanaka, Kosuke Kosuda, Yoshihiro Tsujimoto, Kazunari Yamaura, Alexei A Belik. Structure and cation distribution in perovskites with small cations at the A site: the case of ScCoO3. Science and Technology of Advanced Materials. 16 [2] (2015) 024801 10.1088/1468-6996/16/2/024801 Open Access
  3. Noriki Terada, Dmitry D. Khalyavin, Pascal Manuel, Wei Yi, Hiroyuki S. Suzuki, Naohito Tsujii, Yasutaka Imanaka, Alexei A. Belik. Ferroelectricity induced by ferriaxial crystal rotation and spin helicity in aB-site-ordered double-perovskite multiferroicIn2NiMnO6. Physical Review B. 91 [10] (2015) 104413 10.1103/physrevb.91.104413
  4. Wei Yi, Yoshitaka Matsushita, Yoshio Katsuya, Kazunari Yamaura, Yoshihiro Tsujimoto, Igor A. Presniakov, Alexey V. Sobolev, Yana S. Glazkova, Yuliya O. Lekina, Naohito Tsujii, Shigeki Nimori, Kanji Takehana, Yasutaka Imanaka, Alexei A. Belik. High-pressure synthesis, crystal structure and magnetic properties of TlCrO3 perovskite. Dalton Transactions. 44 [23] (2015) 10785-10794 10.1039/c4dt03823a
2014
  1. Wei Yi, Yu Kumagai, Nicola A. Spaldin, Yoshitaka Matsushita, Akira Sato, Igor A. Presniakov, Alexey V. Sobolev, Yana S. Glazkova, Alexei A. Belik. Perovskite-Structure TlMnO3: A New Manganite with New Properties. Inorganic Chemistry. 53 [18] (2014) 9800-9808 10.1021/ic501380m
  2. Wei Yi, Yoshitaka Matsushita, Akira Sato, Kosuke Kosuda, Michiko Yoshitake, Alexei A. Belik. Bi3Cr2.91O11: A Ferromagnetic Insulator from Cr4+/Cr5+ Mixing. Inorganic Chemistry. 53 [16] (2014) 8362-8366 10.1021/ic500773b
  3. Xu Zhang, Wei Yi, Kai Feng, Desheng Wu, Yifeng Yang, Ping Zheng, Jiyong Yao, Yoshitaka Matsushita, Akira Sato, Hongwei Jiang, Hai Wang, Youguo Shi, Kazunari Yamaura, Nanlin Wang. Crystal Growth, Structural, Electrical, and Magnetic Properties of Mixed-Valent Compounds YbOs2Al10 and LuOs2Al10. Inorganic Chemistry. 53 [9] (2014) 4387-4393 10.1021/ic403168v
  4. Alexei A Belik, Wei Yi. High-pressure synthesis, crystal chemistry and physics of perovskites with small cations at theAsite. Journal of Physics: Condensed Matter. 26 [16] (2014) 163201 10.1088/0953-8984/26/16/163201 Open Access
  5. Xi Wang, Qunhong Weng, Xizheng Liu, Xuebin Wang, Dai-Ming Tang, Wei Tian, Chao Zhang, Wei Yi, Dequan Liu, Yoshio Bando, Dmitri Golberg. Atomistic Origins of High Rate Capability and Capacity of N-Doped Graphene for Lithium Storage. Nano Letters. 14 [3] (2014) 1164-1171 10.1021/nl4038592
  6. Xia Li, Nobutaka Hanagata, Xuebin Wang, Maho Yamaguchi, Wei Yi, Yoshio Bando, Dmitri Golberg. Multimodal luminescent-magnetic boron nitride nanotubes@NaGdF4:Eu structures for cancer therapy. Chem. Commun.. 50 [33] (2014) 4371-4374 10.1039/c4cc00990h
2013
  1. Wei Yi, Qifeng Liang, Yoshitaka Matsushita, Masahiko Tanaka, Alexei A. Belik. High-Pressure Synthesis, Crystal Structure, and Properties of In2NiMnO6 with Antiferromagnetic Order and Field-Induced Phase Transition. Inorganic Chemistry. 52 [24] (2013) 14108-14115 10.1021/ic401917h
  2. J. Li, Y. Guo, S. Zhang, Y. Tsujimoto, X. Wang, C.I. Sathish, S. Yu, Y. Sun, W. Yi, K. Yamaura, E. Takayama-Muromachi, Y. Shirako, M. Akaogi, L.E. De Long. Quasi-periodic magnetic flux jumps in the superconducting state of Ba0.5K0.5Fe1.9M0.1As2 (M=Fe, Co, Ni, Cu, and Zn). Physica C: Superconductivity. 495 (2013) 192-197 10.1016/j.physc.2013.09.005
  3. Youguo Shi, Yanfeng Guo, Yuichi Shirako, Wei Yi, Xia Wang, Alexei A. Belik, Yoshitaka Matsushita, Hai Luke Feng, Yoshihiro Tsujimoto, Masao Arai, Nanlin Wang, Masaki Akaogi, Kazunari Yamaura. High-Pressure Synthesis of 5d Cubic Perovskite BaOsO3 at 17 GPa: Ferromagnetic Evolution over 3d to 5d Series. Journal of the American Chemical Society. 135 [44] (2013) 16507-16516 10.1021/ja4074408
  4. Wei Yi, Qifeng Liang, Yoshitaka Matsushita, Masahiko Tanaka, Xiao Hu, Alexei A. Belik. Crystal structure and properties of high-pressure-synthesized BiRhO3, LuRhO3, and NdRhO3. Journal of Solid State Chemistry. 200 (2013) 271-278 10.1016/j.jssc.2013.01.035
  5. Ying Sun, Yanfeng Guo, Yoshihiro Tsujimoto, Jiajia Yang, Bin Shen, Wei Yi, Yoshitaka Matsushita, Cong Wang, Xia Wang, Jun Li, Clastin I. Sathish, Kazunari Yamaura. Carbon-Induced Ferromagnetism in the Antiferromagnetic Metallic Host Material Mn3ZnN. Inorganic Chemistry. 52 [2] (2013) 800-806 10.1021/ic3019265
2012
  1. Wei Yi, Yoshitaka Matsushita, Masahiko Tanaka, Alexei A. Belik. High-Pressure Synthesis, Crystal Structure, and Properties of BiPd2O4 with Pd2+ and Pd4+ Ordering and PbPd2O4. Inorganic Chemistry. 51 [14] (2012) 7650-7656 10.1021/ic3006579
  2. Xia Wang, Yanfeng Guo, Youguo Shi, Alexei A. Belik, Yoshihiro Tsujimoto, Wei Yi, Ying Sun, Yuichi Shirako, Masao Arai, Masaki Akaogi, Yoshitaka Matsushita, Kazunari Yamaura. High-Pressure Synthesis, Crystal Structure, and Electromagnetic Properties of CdRh2O4: an Analogous Oxide of the Postspinel Mineral MgAl2O4. Inorganic Chemistry. 51 [12] (2012) 6868-6875 10.1021/ic300628m
  3. J. Li, Y. F. Guo, S. B. Zhang, J. Yuan, Y. Tsujimoto, X. Wang, C. I. Sathish, Y. Sun, S. Yu, W. Yi, K. Yamaura, E. Takayama-Muromachiu, Y. Shirako, M. Akaogi, H. Kontani. Superconductivity suppression of Ba0.5K0.5Fe2−2xM2xAs2single crystals by substitution of transition metal (M = Mn, Ru, Co, Ni, Cu, and Zn). Physical Review B. 85 [21] (2012) 214509 10.1103/physrevb.85.214509
  4. Xi Wang, Dai-Ming Tang, Huiqiao Li, Wei Yi, Tianyou Zhai, Yoshio Bando, Dmitri Golberg. Revealing the conversion mechanism of CuO nanowires during lithiation–delithiation by in situ transmission electron microscopy. Chemical Communications. 48 [40] (2012) 4812 10.1039/c2cc30643c

書籍 TSV

口頭発表 TSV

2020
  1. 大久保 忠勝, クマール アシュトッシュ, 埋橋 淳, イ ウェイ, 陳 君, 関口 隆史, 田中 亮, 高島 信也, 江戸 雅晴, 宝野 和博. STEM/3DAP/CL によるMg イオン注入GaN のナノ解析. 応用物理学会秋季学術講演会https://confit.atlas.jp/guide/event/jsap2020a/top. 2020 招待講演
2019
  1. KIMURA, Takashi, YI, Wei, CHEN, Jun, SEKIGUCHI, Takashi. Cathodoluminescence characterization of GaN-based materials: From wafer-scale mapping to nano-scale 3D analysis. 8th International Symposium on Practical Surface Analysis (PSA19). 2019
  2. YI, Wei, SEKIGUCHI, Takashi, CHEN, Jun. Cathodoluminescence spectral mapping analysis of InGaN/GaN core-shell nanowires . 8th International Symposium on Practical Surface Analysis (PSA19). 2019
  3. NAGATA, Takahiro, Tomohiro Yamaguchi, UEDA, Shigenori, CHEN, Jun, Takuya Kobayashi, YI, Wei, Hirokazu Yokoo, CHIKYO, Toyohiro, YAMASHITA, Yoshiyuki. Photoelectron Spectroscopic Study on Electronic State of Corundum In2O3 Epitaxial Thin Film Grown by Mist-CVD. 32nd International Microprocesses and Nanotechnology Conference. 2019
  4. BELIK, Alexei, R. D. Johnson, L. Ding, D. D. Khalyavin, P. Manuel, F. Orlandi, YI, Wei, ZHANG, Lei, TERADA, Noriki, YAMAURA, Kazunari. Unusual Magnetic Properties and Spin Structures in Quadruple and Simple Exotic Perovskites. VII Euro-Asian Symposium “Trends in Magnetism” (EASTMAG-2019). 2019
  5. CHEN, Jun, YI, Wei, KIMURA, Takashi, SEKIGUCHI, Takashi, Ryo TANAKA, Shinya TAKASHIMA, Masaharu EDO. Electron-beam-induced Current Study of Dislocations and Leakage Sites in GaN Schottky Barrier Diodes . DRIP XVIII. 2019
  6. YI, Wei, CHEN, Jun, KUMAR, Ashutosh, UZUHASHI, Jun, KIMURA, Takashi, OHKUBO, Tadakatsu, SEKIGUCHI, Takashi, HONO, Kazuhiro, Shinya TAKASHIMA, Masaharu EDO. Cathodoluminescence and Atom Probe Study of Mg Implanted GaN Homoepitaxial Layer: An Evidence of Mg Pipe Diffusion along Dislocations . DRIP XVIII. 2019
  7. YI, Wei, UZUHASHI, Jun, CHEN, Jun, KIMURA, Takashi, OHKUBO, Tadakatsu, SEKIGUCHI, Takashi, HONO, Kazuhiro, 上山智, 竹内哲也. Cathodoluminescence and Scanning Transmission Electron Microscopy study of InGaN/GaN Quantum Wells in Core-shell GaN Nanowires. DRIP XVIII. 2019
  8. CHEN, Jun, YI, Wei, Seiji HIGUCHI, SEKIGUCHI, Takashi. Analysis of Macro Defects in GaN Substrate Wafer based on Imaging Cathodoluminescence Technique . DRIP XVIII. 2019
2018
  1. CHEN, Jun, YI, Wei, CHO, Yujin, KIMURA, Takashi, SEKIGUCHI, Takashi, UZUHASHI, Jun, HONO, Kazuhiro, OHKUBO, Tadakatsu, Shinya Takashima, Masaharu Edo. Atom Probe and Cathodoluminescence study of Mg implanted layers in GaN. The International Workshop on Nitride Semiconductors 2018 (IWN 2018). 2018
  2. YI, Wei, CHEN, Jun, KIMURA, Takashi, UZUHASHI, Jun, Tetsuya Takeuchi, Satoshi Kamiyama, OHKUBO, Tadakatsu, HONO, Kazuhiro, SEKIGUCHI, Takashi. Cathodoluminescence Characterization of Core-shell GaN Nanowires. The International Workshop on Nitride Semiconductors 2018 (IWN 2018). 2018
  3. CHEN, Jun, YI, Wei, KIMURA, Takashi, NABATAME, Toshihide, SEKIGUCHI, Takashi. Wafer-Scale Analysis of GaN by Imaging CL Technique. The International Workshop on Nitride Semiconductors (IWN2018). 2018
  4. イ ウェイ, 陳 君, 伊藤俊, 湯 代明, ジョ ユージン, 大島 祐一, 関口 隆史. Cathodoluminescence study of stacking faults and dislocations in bulk GaN. 19th International Microscopy Congress. 2018
  5. 陳 君, イ ウェイ, 王朋, 伊藤俊, 関口 隆史. Investigation of the electrical and optical properties of dislocations in SrTiO3 by EBIC/CL. The 14th BIAMS Conference. 2018
  6. 陳 君, イ ウェイ, 関口 隆史, 藤原 航三. INVESTIGATION OF SILICON DENDRITES BY ELECTRON-BEAM-INDUCED CURRENT. CSSC10. 2018
  7. イ ウェイ, 陳 君, 関口 隆史, 伊藤俊. カソードルミネッセンスによるm面GaNの積層欠陥に関する評価. 第65回応用物理学会春季学術講演会. 2018
  8. 陳 君, イ ウェイ, 関口 隆史, 生田目 俊秀, 江戸雅晴. 電子線誘起電流法によるGaN Schottky領域の転位と電流リーク箇所の観察. 第65回応用物理学会春季学術講演会. 2018

その他の文献 TSV

公開特許出願 TSV

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