Ohgaki Takeshi

オオガキタケシ | Ohgaki Takeshi

Affiliation and department：
Job title： Research Associate

Research field (1)： Inorganic materials

Research keywords (6)：光学特性 , 電気特性 , 無機材料 , Optical Property , Electric Property , Inorganic Materials

Research theme for competitive and other funds (9)：

2020 - 2023 Control of optoelectronic properties of non-stoichiometric compounds ScN by impurity doping
2015 - 2018 Carrier doping in ScN films with high electron mobility
2013 - 2015 Synthesis of zinc-blende GaN films using a ScN layer
2011 - 2012 Charge separation of photo-excited electric charge carriers and its interaction with internal electric filed induced by crystalline polarity
2010 - 2012 Evaluation of high frequency properties of transparent zinc oxide thin films and their application

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Papers (79)：

T.T. Suzuki, Y. Adachi, T. Ohgaki, I. Sakaguchi. Crystal plane-dependent ethanol gas sensing of ZnO studied by low-energy He + ion scattering combined with pulsed jet technique. Surface and Interface Analysis. 2021
T.T. Suzuki, Y. Adachi, T. Ohgaki, I. Sakaguchi. He+ LEIS analysis combined with pulsed jet technique of ethanol sensing by a ZnO surface. Applied Surface Science. 2021. 538. 148102-148102
Naoki Ohashi, David Mora-Fonz, Shigeki Otani, Takeshi Ohgaki, Masashi Miyakawa, Alexander Shluger. Inverse Perovskite Oxysilicides and Oxygermanides as Candidates for Nontoxic Infrared Semiconductor and Their Chemical Bonding Nature. Inorganic Chemistry. 2020. 59. 24. 18305-18313
Y. Song, F. Kawamura, K. Shimamura, T. Ohgaki, N. Ohashi. Development of a flux-film-coated sputtering (FFC-sputtering) method for fabricating c-axis oriented AlN film. AIP Advances. 2020. 10. 11
Taku T. Suzuki, Takeshi Ohgaki, Yutaka Adachi, Isao Sakaguchi, Minoru Nakamura, Hideyuki Ohashi, Akihisa Aimi, Kenjiro Fujimoto. Ethanol Gas Sensing by a Zn-Terminated ZnO(0001) Bulk Single-Crystalline Substrate. ACS Omega. 2020. 5. 33. 21104-21112

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MISC (17)：

大垣武, 渡邉賢, 坂口勲, 菱田俊一, 大橋直樹, 羽田肇. MBE法によるサファイア基板上へのScN薄膜のヘテロ成長. エレクトロセラミックス研究討論会講演予稿集. 2013. 33rd. 168-169
Adachi Yutaka, Lippmaa Mikk, Ohashi Naoki, Ohgaki Takeshi, Sakaguchi Isao, Haneda Hajime, Yoshikawa Hideki, Ueda Shigenori, Kobayashi Keisuke, Ohnishi Tsuyoshi. Polarity of Al-doped ZnO films grown on sapphire substrates. Preprints of Annual Meeting of The Ceramic Society of Japan
Preprints of Fall Meeting of The Ceramic Society of Japan. 2008. 2008. 0. 231-231
Modification of chemical sensors using a combinatorial ion-implantation method. Proceedings of the Chemical Sensor Symposium. 2008. 46. 115-117
安達裕, 大橋直樹, 大垣武, 大西剛, 坂口勲, 羽田肇, LIPPMAA Mikk. サファイヤ基板上に作製したAl添加ZnO薄膜の+c面成長. 応用物理学関係連合講演会講演予稿集. 2008. 55th. 1. 534
ADACHI Yutaka, OHASHI Naoki, OHGAKI Takeshi, SAKAGUCHI Isao, HANEDA Hajime, OHNISHI Tsuyoshi, Lippmaa Mikk. Polarity control of ZnO films grown on sapphire substrates. Preprints of Annual Meeting of The Ceramic Society of Japan
Preprints of Fall Meeting of The Ceramic Society of Japan. 2008. 2008. 0. 2P036-2P036

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