Ohtsuka Masahiro

オオツカマサヒロ | Ohtsuka Masahiro

Affiliation and department：
Other affiliations (1)：

Nagoya University Department of Materials Physics, Graduate School of Engineering Materials Physics Lecturer

Research field (1)： Nanomaterials

Research keywords (6)： Transmission electron microscopy , Dynamical electron diffraction theory , Electron channeling effect , Nanotechnology , Dopant occupation site analysis , Functional materials

Research theme for competitive and other funds (9)：

2023 - 2027 Development of a new EBSD analysis method combining dynamical scattering theory and machine learning
2021 - 2025 ナノ電子プローブ実・逆空間走査による統合データ駆動型材料物性解析
2020 - 2023 Development of dopant environment analysis method using beam-rocking transmission electron microscopy
2018 - 2020 Extension of dopant occupation site analysis by electron channeling X-ray spectroscopy and electron diffraction mapping
2017 - 2019 Quantitative analysis of functional elements segregated in general ceramics grain boundaries using nano-electron probe spectroscopy

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Papers (26)：

Ishida Takafumi, Owaki Takeshi, Ohtsuka Masahiro, Kuwahara Makoto, Saitoh Koh, Kawasaki Tadahiro. Extension of focal depth by electron quasi-Bessel beam in atomic-resolution scanning transmission electron microscopy. APPLIED PHYSICS EXPRESS. 2022. 15. 11
Hitoshi Makino, Ján Rusz, Jian Wang, Diego Turenne, Masahiro Ohtsuka, Yukiko K, Takahashi, Hermann A. Dürr, Shunsuke Muto. A study on the relationship of magnetic moments orientation in L10 FePt network nanostructured film by electron energy-loss magnetic chiral dichroism using semi-core excitation spectra. Journal of Magnetism and Magnetic Materials. 2022. 558. 15. 169522
Akimitsu Ishizuka, Masahiro Ohtsuka, Shunsuke Muto. Automating ALCHEMI at the nano-scale using software compatible with PC-controlled transmission electron microscopy. Journal of Applied Crystallography. 2022. 55. 3. 551-557
Seto Yusuke, Ohtsuka Masahiro. ReciPro: free and open-source multipurpose crystallographic software integrating a crystal model database and viewer, diffraction and microscopy simulators, and diffraction data analysis tools. JOURNAL OF APPLIED CRYSTALLOGRAPHY. 2022. 55. 397-410
Yohei Igami, Shunsuke Muto, Aki Takigawa, Masahiro Ohtsuka, Akira Miyake, Kohtaku Suzuki, Keisuke Yasuda, Akira Tsuchiyama. Structural and chemical modifications of oxides and OH generation by space weathering: Electron microscopic/spectroscopic study of hydrogen-ion-irradiated Al2O3. Geochimica et Cosmochimica Acta. 2021. 315. 61-72

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Lectures and oral presentations (86)：

HARECXS及び原子分解能STEMによるBaTiO3中のドーパント占有サイトと原子変位の解析
(日本顕微鏡学会第78回学術講演会 2022)
EMCDを用いたFePt合金ナノ構造のスピン磁気モーメントの分析
(日本顕微鏡学会第78回学術講演会 2022)
STEM-EELS吸収端広域微細構造のスパースモデリングによるD-W因子マッピング
(日本顕微鏡学会第78回学術講演会 2022)
HARECXS法によるBaTiO3中の各種ドーパントの占有サイト解析
(日本金属学会 2022年春期第170回講演大会 2022)
エネルギー損失磁気カイラル二色性を用いたFePt合金ナノ構造におけるスピン磁気モーメントの分析
(日本金属学会 2022年春期第170回講演大会 2022)

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Education (3)：

2010 - 2013 Tokyo University of Science Graduate School, Division of Natural Science
2007 - 2009 Tokyo University of Science Graduate School, Division of Natural Science
2003 - 2007 Tokyo University of Science Faculty of Science

Professional career (3)：

学士(理学) (東京理科大学)
修士(理学) (東京理科大学)
博士(理学) (東京理科大学)

Work history (4)：

2020/04 - 現在 Nagoya University Electron Nanoscopy Section, Advanced Measurement Technology Center, Institute of Materials and Systems for Sustainability Lecturer
2017/04 - 2020/03 Nagoya University Department of Materials Physics, Graduate School of Engineering Assistant Professor
2012/09 - 2017/03 Nagoya University Department of Materials, Physics and Energy Engineering, Graduate School of Engineering Assistant Professor
2009/04 - 2011/09 Foundation for Promotion of Material Science and Technology of Japan

Committee career (1)：

2020/04 - 現在 The Japanese Society of Microscopy Subcommittee of young scientists for interdisciplinary microscopic researches

Awards (5)：

2021/06 - 日本顕微鏡学会公益社団法人日本顕微鏡学会第77回学術講演会優秀ポスター賞(一般部門) HARECXS法を用いたBaTiO3におけるドーパント占有サイトの定量解析
2019/05 - 日本顕微鏡学会公益社団法人日本顕微鏡学会第74回学術講演会優秀ポスター賞 STEM-CL法によるナノ分相ガラスのナノスケール応力マッピング
2014/05 - 日本顕微鏡学会公益社団法人日本顕微鏡学会第70回記念学術講演会優秀ポスター賞層状構造を有するNaイオン電子正極材料の結晶構造解析
2013/05 - 日本顕微鏡学会公益社団法人日本顕微鏡学会第69回学術講演会優秀ポスター賞 Bloch波法によるfrozen lattice近似の計算手法
2012/05 - 日本顕微鏡学会公益社団法人日本顕微鏡学会第68回学術講演会優秀ポスター賞最適化手法による明視野STEM検出器の精密位置測定

Association Membership(s) (3)：

日本金属学会 , 日本顕微鏡学会 , 日本物理学会

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