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論文 TSV

2022
  1. Laura E. Ratcliff, Takayoshi Oshima, Felix Nippert, Benjamin M. Janzen, Elias Kluth, Rüdiger Goldhahn, Martin Feneberg, Piero Mazzolini, Oliver Bierwagen, Charlotte Wouters, Musbah Nofal, Martin Albrecht, Jack E. N. Swallow, Leanne A. H. Jones, Pardeep K. Thakur, Tien‐Lin Lee, Curran Kalha, Christoph Schlueter, Tim D. Veal, Joel B. Varley, Markus R. Wagner, Anna Regoutz. Tackling Disorder in γ‐Ga2O3. Advanced Materials. 34 [37] (2022) 10.1002/adma.202204217 Open Access
  2. Takayoshi Oshima, Yuichi Oshima. Selective area growth of β-Ga2O3 by HCl-based halide vapor phase epitaxy. Applied Physics Express. 15 [7] (2022) 075503 10.35848/1882-0786/ac75c8 Open Access
2020
  1. Yuichi Oshima, Katsuaki Kawara, Takayoshi Oshima, Takashi Shinohe. In-plane orientation control of (001) κ-Ga2O3 by epitaxial lateral overgrowth through a geometrical natural selection mechanism. Japanese Journal of Applied Physics. 59 [11] (2020) 115501 10.35848/1347-4065/abbc57 Open Access
  2. Katsuaki Kawara, Takayoshi Oshima, Mitsuru Okigawa, Takashi Shinohe. In-plane anisotropy in the direction of the dislocation bending in α-Ga2O3 grown by epitaxial lateral overgrowth. Applied Physics Express. 13 [11] (2020) 115502 10.35848/1882-0786/abbfe2
  3. Yuichi Oshima, Katsuaki Kawara, Takayoshi Oshima, Mitsuru Okigawa, Takashi Shinohe. Rapid growth of α-Ga2O3 by HCl-boosted halide vapor phase epitaxy and effect of precursor supply conditions on crystal properties. Semiconductor Science and Technology. 35 [5] (2020) 055022 10.1088/1361-6641/ab7843 Open Access
  4. Yuichi Oshima, Katsuaki Kawara, Takayoshi Oshima, Mitsuru Okigawa, Takashi Shinohe. Phase-controlled epitaxial lateral overgrowth of α-Ga2O3 by halide vapor phase epitaxy. Japanese Journal of Applied Physics. 59 [2] (2020) 025512 10.35848/1347-4065/ab6faf Open Access
2019
  1. Toshiyuki Oishi, Kosuke Urata, Makoto Hashikawa, Kosuke Ajiro, Takayoshi Oshima. Microwave Power Rectification Using $\beta$ -Ga2O3 Schottky Barrier Diodes. IEEE Electron Device Letters. 40 [9] (2019) 1393-1395 10.1109/led.2019.2931793
  2. Yuji Kato, Masataka Imura, Yoshiko Nakayama, Masaki Takeguchi, Takayoshi Oshima. Fabrication of coherent γ-Al2O3/Ga2O3 superlattices on MgAl2O4 substrates. Applied Physics Express. 12 [6] (2019) 065503 10.7567/1882-0786/ab2196 Open Access
  3. Takayoshi Oshima, Yuji Kato, Eisuke Magome, Eiichi Kobayashi, Kazutoshi Takahashi. Characterization of pseudomorphic γ-Ga2O3 and γ-Al2O3 films on MgAl2O4 substrates and the band-alignment at the coherent γ-Ga2O3/Al2O3 heterojunction interface. Japanese Journal of Applied Physics. 58 [6] (2019) 060910 10.7567/1347-4065/ab219f
  4. Hironori Okumura, Yuji Kato, Takayoshi Oshima, Tomás Palacios. Demonstration of lateral field-effect transistors using Sn-doped β-(AlGa)2O3 (010). Japanese Journal of Applied Physics. 58 [SB] (2019) SBBD12 10.7567/1347-4065/ab002b
2018
  1. Takayoshi Oshima, Makoto Hashikawa, Sansei Tomizawa, Kazuho Miki, Toshiyuki Oishi, Kohei Sasaki, Akito Kuramata. β-Ga2O3-based metal–oxide–semiconductor photodiodes with HfO2 as oxide. Applied Physics Express. 11 [11] (2018) 112202 10.7567/apex.11.112202
  2. Takayoshi Oshima, Yuji Kato, Eiichi Kobayashi, Kazutoshi Takahashi. Measurements of the band alignment at coherent α-Ga2O3/Al2O3 heterojunctions. Japanese Journal of Applied Physics. 57 [8] (2018) 080308 10.7567/jjap.57.080308
  3. Takayoshi Oshima, Yuji Kato, Masataka Imura, Yoshiko Nakayama, Masaki Takeguchi. α-Al2O3/Ga2O3 superlattices coherently grown on r-plane sapphire. Applied Physics Express. 11 [6] (2018) 065501 10.7567/apex.11.065501 Open Access
2017
  1. M. M. Maitani, K. Tanaka, H. Satou, T. Oshima, A. Ohtomo, Y. Wada. Hetero-epitaxial growth control of single-crystalline anatase TiO2 nanosheets predominantly exposing the {001} facet on oriented crystalline substrates. CrystEngComm. 19 [32] (2017) 4734-4741 10.1039/c7ce00754j
  2. Makoto Kasu, Takayoshi Oshima, Kenji Hanada, Tomoya Moribayashi, Akihiro Hashiguchi, Toshiyuki Oishi, Kimiyoshi Koshi, Kohei Sasaki, Akito Kuramata, Osamu Ueda. Crystal defects observed by the etch-pit method and their effects on Schottky-barrier-diode characteristics on $(\bar{2}01)$ β-Ga2O3. Japanese Journal of Applied Physics. 56 [9] (2017) 091101 10.7567/jjap.56.091101
  3. Takayoshi Oshima, Akihiro Hashiguchi, Tomoya Moribayashi, Kimiyoshi Koshi, Kohei Sasaki, Akito Kuramata, Osamu Ueda, Toshiyuki Oishi, Makoto Kasu. Electrical properties of Schottky barrier diodes fabricated on (001) β-Ga2O3substrates with crystal defects. Japanese Journal of Applied Physics. 56 [8] (2017) 086501 10.7567/jjap.56.086501
  4. Takayoshi Oshima, Yuji Kato, Masaya Oda, Toshimi Hitora, Makoto Kasu. Epitaxial growth of γ-(AlxGa1−x)O3alloy films for band-gap engineering. Applied Physics Express. 10 [5] (2017) 051104 10.7567/apex.10.051104
  5. Satoshi Masuya, Kenji Hanada, Takayoshi Oshima, Hitoshi Sumiya, Makoto Kasu. Formation of stacking fault and dislocation behavior during the high-temperature annealing of single-crystal HPHT diamond. Diamond and Related Materials. 75 (2017) 155-160 10.1016/j.diamond.2017.04.003
  6. Masato M. Maitani, Takuya Yamada, Hisanori Mashiko, Kohei Yoshimatsu, Takayoshi Oshima, Akira Ohtomo, Yuji Wada. Microwave Effects on Co–Pi Cocatalysts Deposited on α-Fe2O3 for Application to Photocatalytic Oxygen Evolution. ACS Applied Materials & Interfaces. 9 [12] (2017) 10349-10354 10.1021/acsami.6b16319
  7. Takayoshi Oshima, Yuji Kato, Naoto Kawano, Akito Kuramata, Shigenobu Yamakoshi, Shizuo Fujita, Toshiyuki Oishi, Makoto Kasu. Carrier confinement observed at modulation-doped β-(Al x Ga1− x )2O3/Ga2O3 heterojunction interface. Applied Physics Express. 10 [3] (2017) 035701 10.7567/apex.10.035701
2016
  1. Mai Hattori, Takayoshi Oshima, Ryo Wakabayashi, Kohei Yoshimatsu, Kohei Sasaki, Takekazu Masui, Akito Kuramata, Shigenobu Yamakoshi, Koji Horiba, Hiroshi Kumigashira, Akira Ohtomo. Epitaxial growth and electric properties of γ-Al2O3(110) films on β-Ga2O3(010) substrates. Japanese Journal of Applied Physics. 55 [12] (2016) 1202B6 10.7567/jjap.55.1202b6
  2. Takayoshi Oshima, Ryo Wakabayashi, Mai Hattori, Akihiro Hashiguchi, Naoto Kawano, Kohei Sasaki, Takekazu Masui, Akito Kuramata, Shigenobu Yamakoshi, Kohei Yoshimatsu, Akira Ohtomo, Toshiyuki Oishi, Makoto Kasu. Formation of indium–tin oxide ohmic contacts for β-Ga2O3. Japanese Journal of Applied Physics. 55 [12] (2016) 1202B7 10.7567/jjap.55.1202b7
  3. Makoto Kasu, Kenji Hanada, Tomoya Moribayashi, Akihiro Hashiguchi, Takayoshi Oshima, Toshiyuki Oishi, Kimiyoshi Koshi, Kohei Sasaki, Akito Kuramata, Osamu Ueda. Relationship between crystal defects and leakage current in β-Ga2O3Schottky barrier diodes. Japanese Journal of Applied Physics. 55 [12] (2016) 1202BB 10.7567/jjap.55.1202bb
  4. K. Yoshimatsu, H. Okabe, T. Oshima, S. Ueda, A. Ohtomo. Strain-induced metal-insulator transition int2gelectron system of perovskite titanateSm0.5Ca0.5TiO3films. Physical Review B. 93 [19] (2016) 195159 10.1103/physrevb.93.195159
  5. H. Mashiko, K. Yoshimatsu, T. Oshima, A. Ohtomo. Fabrication and Characterization of Semiconductor Photoelectrodes with Orientation-Controlled α-Fe2O3 Thin Films. The Journal of Physical Chemistry C. 120 [5] (2016) 2747-2752 10.1021/acs.jpcc.5b10838
2015
  1. K. Yoshimatsu, M. Niwa, H. Mashiko, T. Oshima, A. Ohtomo. Reversible superconductor-insulator transition in LiTi2O4 induced by Li-ion electrochemical reaction. Scientific Reports. 5 [1] (2015) 16325 10.1038/srep16325 Open Access
  2. Ryo Wakabayashi, Takayoshi Oshima, Mai Hattori, Kohei Sasaki, Takekazu Masui, Akito Kuramata, Shigenobu Yamakoshi, Kohei Yoshimatsu, Akira Ohtomo. Oxygen-radical-assisted pulsed-laser deposition of β-Ga2O3 and β-(Al Ga1−)2O3 films. Journal of Crystal Growth. 424 (2015) 77-79 10.1016/j.jcrysgro.2015.05.005
  3. Takayoshi Oshima, Keitaro Matsuyama, Kohei Yoshimatsu, Akira Ohtomo. Conducting Si-doped γ-Ga2O3 epitaxial films grown by pulsed-laser deposition. Journal of Crystal Growth. 421 (2015) 23-26 10.1016/j.jcrysgro.2015.04.011
  4. Takayoshi Oshima, Kosuke Yokoyama, Mifuyu Niwa, Akira Ohtomo. Pulsed-laser deposition of superconducting LiTi 2 O 4 ultrathin films. Journal of Crystal Growth. 419 (2015) 153-157 10.1016/j.jcrysgro.2015.03.029
  5. Kohei Yoshimatsu, Takayuki Suzuki, Nobuo Tsuchimine, Koji Horiba, Hiroshi Kumigashira, Takayoshi Oshima, Akira Ohtomo. Direct growth of metallic TiH2thin films by pulsed laser deposition. Applied Physics Express. 8 [3] (2015) 035801 10.7567/apex.8.035801
  6. K. Yoshimatsu, K. Nogami, K. Watarai, K. Horiba, H. Kumigashira, O. Sakata, T. Oshima, A. Ohtomo. Synthesis and magnetic properties of double-perovskite oxideLa2MnFeO6thin films. Physical Review B. 91 [5] (2015) 054421 10.1103/physrevb.91.054421
2014
  1. Takayoshi Oshima, Mifuyu Niwa, Akira Mukai, Tomohito Nagami, Toshihisa Suyama, Akira Ohtomo. Epitaxial growth of wide-band-gap ZnGa2O4 films by mist chemical vapor deposition. Journal of Crystal Growth. 386 (2014) 190-193 10.1016/j.jcrysgro.2013.10.012
2013
  1. Takayoshi Oshima, Kenichi Kaminaga, Hisanori Mashiko, Akira Mukai, Kohei Sasaki, Takekazu Masui, Akito Kuramata, Shigenobu Yamakoshi, Akira Ohtomo. β-Ga2O3Single Crystal as a Photoelectrode for Water Splitting. Japanese Journal of Applied Physics. 52 [11R] (2013) 111102 10.7567/jjap.52.111102
  2. Kengo Nogami, Kohei Yoshimatsu, Hisanori Mashiko, Enju Sakai, Hiroshi Kumigashira, Osami Sakata, Takayoshi Oshima, Akira Ohtomo. Epitaxial Synthesis and Electronic Properties of Double-Perovskite Sr2TiRuO6Films. Applied Physics Express. 6 [10] (2013) 105502 10.7567/apex.6.105502
  3. Takayoshi Oshima, Kenichi Kaminaga, Akira Mukai, Kohei Sasaki, Takekazu Masui, Akito Kuramata, Shigenobu Yamakoshi, Shizuo Fujita, Akira Ohtomo. Formation of Semi-Insulating Layers on Semiconducting β-Ga2O3Single Crystals by Thermal Oxidation. Japanese Journal of Applied Physics. 52 [5R] (2013) 051101 10.7567/jjap.52.051101
  4. Akira Ohtomo, Suvankar Chakraverty, Hisanori Mashiko, Takayoshi Oshima, Masashi Kawasaki. Spontaneous atomic ordering and magnetism in epitaxially stabilized double perovskites. Journal of Materials Research. 28 [5] (2013) 689-695 10.1557/jmr.2012.438
2011
  1. Hisanori Mashiko, Takayoshi Oshima, Akira Ohtomo. Band-gap narrowing in α-(CrxFe1-x)2O3 solid-solution films. Applied Physics Letters. 99 [24] (2011) 241904 10.1063/1.3669704
  2. Takeya Okuno, Takayoshi Oshima, Sam-Dong Lee, Shizuo Fujita. Growth of SnO2 crystalline thin films by mist chemical vapour deposition method. physica status solidi (c). 8 [2] (2011) 540-542 10.1002/pssc.201000619
2009
  1. Takayoshi Oshima, Takeya Okuno, Shizuo Fujita. UV-B Sensor Based on a SnO2Thin Film. Japanese Journal of Applied Physics. 48 [12] (2009) 120207 10.1143/jjap.48.120207
  2. Takayoshi Oshima, Takeya Okuno, Naoki Arai, Yasushi Kobayashi, Shizuo Fujita. β-Al2xGa2-2xO3Thin Film Growth by Molecular Beam Epitaxy. Japanese Journal of Applied Physics. 48 [7] (2009) 070202 10.1143/jjap.48.070202
  3. Takayoshi Oshima, Takeya Okuno, Naoki Arai, Yasushi Kobayashi, Shizuo Fujita. Wet Etching of β-Ga2O3Substrates. Japanese Journal of Applied Physics. 48 [4] (2009) 040208 10.1143/jjap.48.040208
  4. Takayoshi Oshima, Takeya Okuno, Naoki Arai, Norihito Suzuki, Harumichi Hino, Shizuo Fujita. Flame Detection by a β-Ga2O3-Based Sensor. Japanese Journal of Applied Physics. 48 [1] (2009) 011605 10.1143/jjap.48.011605
2008
  1. Shigeo Ohira, Naoki Arai, Takayoshi Oshima, Shizuo Fujita. Atomically controlled surfaces with step and terrace of β-Ga2O3 single crystal substrates for thin film growth. Applied Surface Science. 254 [23] (2008) 7838-7842 10.1016/j.apsusc.2008.02.184
  2. Takayoshi Oshima, Shizuo Fujita. Properties of Ga2O3-based (InxGa1-x)2O3alloy thin films grown by molecular beam epitaxy. physica status solidi (c). 5 [9] (2008) 3113-3115 10.1002/pssc.200779297
  3. Takayoshi Oshima, Naoki Arai, Norihito Suzuki, Shigeo Ohira, Shizuo Fujita. Surface morphology of homoepitaxial β-Ga2O3 thin films grown by molecular beam epitaxy. Thin Solid Films. 516 [17] (2008) 5768-5771 10.1016/j.tsf.2007.10.045
  4. Takayoshi Oshima, Takeya Okuno, Naoki Arai, Norihito Suzuki, Shigeo Ohira, Shizuo Fujita. Vertical Solar-Blind Deep-Ultraviolet Schottky Photodetectors Based on β-Ga2O3Substrates. Applied Physics Express. 1 [1] (2008) 011202 10.1143/apex.1.011202
2007
  1. Takayoshi Oshima, Takeya Okuno, Shizuo Fujita. Ga2O3Thin Film Growth onc-Plane Sapphire Substrates by Molecular Beam Epitaxy for Deep-Ultraviolet Photodetectors. Japanese Journal of Applied Physics. 46 [11] (2007) 7217-7220 10.1143/jjap.46.7217
  2. J. G. Lu, S. Fujita, T. Kawaharamura, H. Nishinaka, Y. Kamada, T. Ohshima, Z. Z. Ye, Y. J. Zeng, Y. Z. Zhang, L. P. Zhu, H. P. He, B. H. Zhao. Carrier concentration dependence of band gap shift in n-type ZnO:Al films. Journal of Applied Physics. 101 [8] (2007) 083705 10.1063/1.2721374
  3. J.G. Lu, T. Kawaharamura, H. Nishinaka, Y. Kamada, T. Ohshima, S. Fujita. Zno-based thin films synthesized by atmospheric pressure mist chemical vapor deposition. Journal of Crystal Growth. 299 [1] (2007) 1-10 10.1016/j.jcrysgro.2006.10.251
2006
  1. J. G. Lu, S. Fujita, T. Kawaharamura, H. Nishinaka, Y. Kamada, T. Ohshima. Carrier concentration induced band-gap shift in Al-doped Zn1−xMgxO thin films. Applied Physics Letters. 89 [26] (2006) 10.1063/1.2424308
  2. Takayoshi Oshima, Shizuo Fujita. (111)-Oriented Zn3N2Growth ona-Plane Sapphire Substrates by Molecular Beam Epitaxy. Japanese Journal of Applied Physics. 45 [11] (2006) 8653-8655 10.1143/jjap.45.8653

書籍 TSV

2020
  1. Takayoshi Oshima. Photodetectors. Gallium Oxide. Springer International Publishing, 2020 10.1007/978-3-030-37153-1_38

会議録 TSV

口頭発表 TSV

2024
  1. 神野 莉衣奈, 大島 孝仁, 大島 祐一, 深津 晋. α-Cr2O3基板に格子整合したα-(Al,Ga)2O3の成長. 2024年 第71回応用物理学会春季学術講演会. 2024
  2. 大島 孝仁, 井村 将隆, 大島 祐一, 大石 敏之. GaN正ベベル終端形成のための選択成長結晶に対する逆テーパーエッチングの提案. 2024年 第71回応用物理学会春季学術講演会. 2024
  3. 大島 孝仁, 富樫 理恵, 大島 祐一. (-102) β-Ga2O3への大気圧下での窒素希釈水素ガスエッチング. 2024年 第71回応用物理学会春季学術講演会. 2024
  4. 大島 孝仁, 中込 真二. (-102)面β-Ga2O3基板上NiO膜のエピタキシャル構造. 2024年 第71回応用物理学会春季学術講演会. 2024
  5. 大島 孝仁, 大島 祐一. ファセット形成を利用したβ-Ga2O3の微細加工. 第15回研究会「ワイドギャップパワー半導体:β-Ga2O3とダイヤモンド」. 2024 招待講演
2023
  1. 大島 孝仁, 大島 祐一. (−102)面β-Ga2O3基板に対する選択成長と選択エッチング. 第84回応用物理学会 秋季学術講演会. 2023
  2. 大島 祐一, 大島 孝仁. (-102 )面β-Ga2O3基板上のホモエピタキシャル成長. 第84回応用物理学会 秋季学術講演会. 2023
  3. 高根 倫史, 大島 孝仁, 田中 勝久, 金子 健太郎. r-GexSn1–xO2の成長機構とコヒーレント薄膜の作製. 第84回応用物理学会 秋季学術講演会. 2023 招待講演
  4. 大島 祐一, 大島 孝仁. (001) β-Ga2O3基板に対するHClガスエッチングの温度とHCl分圧依存性. 第84回応用物理学会 秋季学術講演会. 2023
  5. OSHIMA, Takayoshi, OSHIMA, Yuichi. HCl gas etching of (010) and (001) β-Ga2O3 substrates for the fabrication of plasma-damage-free trenches and fins. Compound Semiconductor Week 2023. 2023
  6. TAKANE, Hitoshi, OSHIMA, Takayoshi, TANAKA, Katsuhisa, KANEKO, Kentaro. Selective area growth of r-SnO2 on r-TiO2 (110) substrate. Compound Semiconductor Week 2023. 2023
  7. 大島 孝仁, 大島 祐一. (001)面β-Ga2O3基板に対する異方性HClガスエッチング. 2023年 第70回応用物理学会春季学術講演会. 2023
  8. 高根 倫史, 大島 孝仁, 田中 勝久, 金子 健太郎. TiO2 (110)基板上のルチル型SnO2の選択成長. 2023年 第70回応用物理学会春季学術講演会. 2023
  9. 大島 孝仁, 大島 祐一. (010)面β-Ga2O3基板に対する異方性HClガスエッチング. 2023年 第70回応用物理学会春季学術講演会. 2023
  10. 高根 倫史, 大島 孝仁, 田中 勝久, 金子 健太郎. TiO2基板上に選択成長したルチル型SnO2の成長ダイナミクス. 2023年日本セラミックス協会年会. 2023
  11. 大島 孝仁, 大島 祐一. β型酸化ガリウム半導体の選択成長. SATテクノロジー・ショーケース2023. 2023

その他の文献 TSV

公開特許出願 TSV

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