Chikyow Toyohiro

Research field (1)： Nanomaterials

Research keywords (11)：透過型電子顕微鏡 , 誘電体 , 酸化物 , 界面 , 半導体 , コンビナトリアル , Ferroelectric , Oxide , Interface , Semiconductor , Combinatorial

Research theme for competitive and other funds (8)：

2021 - 2024 Automation of Data-Driven Multidimensional Materials Design and Acceleration of Synthesis for New Materials Discovery
2016 - 2019 メゾポーラス材料を使った新しい電子材料の創生とデバイスへの応用
2009 - 2014 Fundamental studies on the low-cost production of high-density BN films by laser-plasma synchronous vapor deposition methods for the next-generation transparent wide bandgap semiconductor materials
2007 - 2010 Research on nano-scale semiconductor devices based on the electronic properties of atomic-scale silicon crystals
2007 - 2008 Interface structure and hydrogen detection of Schottky contact to polar-ZnO single crystal

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Papers (431)：

Asahiko Matsuda, Takashi Teramoto, Takahiro Nagata, Dominic Gerlach, Peng Shen, Shigenori Ueda, Takako Kimura, Christian Dussarrat, Toyohiro Chikyow. NF3 and F2 gas fluorination of GaN surface and Pt/GaN interface analyzed by hard X-ray photoelectron spectroscopy. Applied Surface Science. 2024. 659. 159941-159941
Takahiro Nagata, Yuya Suemoto, Yoshihiro Ueoka, Masami Mesuda, Liwen Sang, Toyohiro Chikyow. Polarity Control of an All-Sputtered Epitaxial GaN/AlN/Al Film on a Si(111) Substrate by Intermediate Oxidization. ACS Omega. 2022. 7. 23. 19380-19387
Masaya Morita, Keiji Ishibashi, Kenichiro Takahashi, Shigenori Ueda, Jun Chen, Kota Tatejima, Toyohiro Chikyow, Atsushi Ogura, Takahiro Nagata. Effect of reactive gas condition on nonpolar AlN film growth on MnS/Si (100) by reactive DC sputtering. Japanese Journal of Applied Physics. 2022. 61. SC
T. Fukushima, H. Akai, T. Chikyow, H. Kino. Automatic exhaustive calculations of large material space by Korringa-Kohn-Rostoker coherent potential approximation method applied to equiatomic quaternary high entropy alloys. Physical Review Materials. 2022. 6. 2
Takahiro Nagata, Somu Kumaragurubaran, Kenichiro Takahashi, Sung Gi Ri, Toyohiro Chikyow. Combinatorial Synthesis and Interface Analysis for Development of High Dielectric Constant Thin Films. ECS Transactions. 2022. 108. 2. 61-68

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MISC (47)：

YAGYU Shinjiro, YOSHITAKE Michiko, CHIKYOW Toyohiro. Determination of Threshold of Photoelectron Yield Spectroscopy (PYS) Using Machine Learning. Vacuum and Surface Science. 2018. 61. 4. 196-199
Mohamed B. Zakaria, Toyohiro Chikyow. Recent advances in Prussian blue and Prussian blue analogues: synthesis and thermal treatments. Coordination Chemistry Reviews. 2017. 352. 328-345
女屋崇, 生田目俊秀, 澤本直美, 大井暁彦, 池田直樹, 知京豊裕, 小椋厚志. ZrO2シード層がHf[x]Zr1-xO2薄膜の強誘電性へ及ぼす効果-Effect of ZrO2 seed layer on ferroelectricity of Hf[x]Zr1-xO2 thin film-シリコン材料・デバイス. 電子情報通信学会技術研究報告 = IEICE technical report : 信学技報. 2017. 117. 260. 39-44
YAGYU Shinjiro, YOSHITAKE Michiko, CHIKYOW Toyohiro. Distingush of threthold ofphotoelectron yield spectroscopy (PYS) using machine learning. Abstract of annual meeting of the Surface Science of Japan. 2017. 37. 0
女屋崇, 生田目俊秀, 澤田朋実, 栗島一徳, 澤本直美, 大井暁彦, 知京豊裕, 小椋厚志. ZrO2/Al2O3/ZrO2多層を用いたDRAMキャパシタにおけるAl2O3層が電気特性に及ぼす効果-Effect of Al2O3 layer on leakage current properties for DRAM capacitor with ZrO2/Al2O3/ZrO2 multilayer-シリコン材料・デバイス. 電子情報通信学会技術研究報告 = IEICE technical report : 信学技報. 2016. 116. 118. 27-32

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Patents (2)：

Education (4)：

Waseda University School of Science and Engineering
Waseda University Graduate School of Science and Engineering
Waseda University, School of Science and Engineering, Department of Electronics and Communication
Waseda University, School of Science and Engineering, Department of Electronics

Professional career (1)：

Association Membership(s) (4)：

米国材料学会 , 応用物理学会 , The Japan Society of Applied Physics , Material Research Society

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