Tatsumi Kazuyoshi

Affiliation and department：
Job title：研究主幹

Research field (1)： Metallic materials

Research theme for competitive and other funds (22)：

2021 - 2024 非弾性中性子散乱の精密理論計算と実験の多次元スペクトル照合による水素局所環境分析
2018 - 2021 Tensor Decomposition of electron nano-spectroscopic data toward unempirical mapping of materials properties
2016 - 2018 低ランク行列多元分解法による非経験的ナノ物性マッピング法の拡張と実装
2015 - 2018 Nano-level imaging of spin states by utilizing diffraction effects on inelastic electon scattering
2014 - 2018 High-resolution integrated spatial/electronic structure analysis of localized functional defects by multi-dimensional spectroscopy with reciprocal space scanning

2015 - 2017 Local atomic and electronic structure analysis by STEM-EELS/EDX for thermoelectric materials

2014 - 2016 低ランク行列分解法による非経験的ナノ物性マッピング法の開発と応用

2014 - 2015 Measurement of electron magnetic circular dichroism signals from real materials toward magnetic boundary width measurement of bit patterned media

2012 - 2015 Local spin-moment analysis realized by dynamical diffraction effects on inelastic electron scattering theory and experiment

2011 - 2014 Atomic, Surface Structure and Hydrogen Storage Function of Aluminum-based Hydrides

2009 - 2011 Development and application of nano-analysis of optical materials by multi-dimensional spectrum image technique

2009 - 2011 The rational design of nitrogen doped TiO2 visible-light response photocatalysts by a combination of synchrotron spectroscopy and electron microscopy techniques

2007 - 2011 Atomic scale electronic state analysis by integrated electron spectroscopy

2009 - 2010 Quantitative energy loss by channeled electrons and its application to magnetic states at different atom layers

2005 - 2008 Diagnosis of materials properties with high spatial/energy Resolution by soft X-ray region complex electron spectroscopy

2006 - 2007 電子分光統合化と量子化学計算によるリチウム電池正極材劣化診断と材料設計

2005 - 2006 活性表面構造ダイナミクス研究のためのXANES及びEELS解析法の開発

2005 - 2006 Pixon型信号処理による微量軽元素の電子状態分析法の開発

2004 - 2005 EELS分光と量子化学計算によるプロトン伝導体の状態分析とその材料設計への応用

2003 - 2004 高エネルギー電子ビームによるチェレンコフ発光を用いた新しいサブナノ領域分析

2002 - 2004 Nature and structure of sub-nanometer defects in metal oxides by complex electron spectro-microscopy

2002 - 2003 量子化学計算による軽元素近傍局所構造解析と材料開発への応用

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Papers (69)：

Tatsumi Kazuyoshi, Inamura Yasuhiro, Kofu Maiko, Kiyanagi Ryoji, Shimazaki Hideaki*. Optimization and inference of bin widths for histogramming inelastic neutron scattering spectra. Journal of Applied Crystallography. 2022. 55. 3. 533-543
Devendra Negi, Jakob Spiegelberg, Shunsuke Muto, Thomas Thersleff, Masahiro Ohtsuka, Linus Schonstrom, Kazuyoshi Tatsumi, Jan Rusz. Proposal for Measuring Magnetism with Patterned Apertures in a Transmission Electron Microscope. PHYSICAL REVIEW LETTERS. 2019. 122. 3
Shunsuke Muto, Kazuyoshi Tatsumi. Detection of local chemical states of lithium and their spatial mapping by scanning transmission electron microscopy, electron energy-loss spectroscopy and hyperspectral image analysis. MICROSCOPY. 2017. 66. 1. 39-49
Motoki Shiga, Kazuyoshi Tatsumi, Shunsuke Muto, Koji Tsuda, Yuta Yamamoto, Toshiyuki Mori, Takayoshi Tanji. Sparse modeling of EELS and EDX spectral imaging data by nonnegative matrix factorization. ULTRAMICROSCOPY. 2016. 170. 43-59
Jan Rusz, Shunsuke Muto, Jakob Spiegelberg, Roman Adam, Kazuyoshi Tatsumi, Daniel E. Buergler, Peter M. Oppeneer, Claus M. Schneider. Magnetic measurements with atomic-plane resolution. NATURE COMMUNICATIONS. 2016. 7

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Lectures and oral presentations (3)：

Development of efficient measurement system for neutron imaging using the gaussian process regression
(日本中性子科学会第23回年会(JSNS2023))
Improved efficiency of neutron scanning measurement by Gaussian process regression
(日本中性子科学会第22回年会)
Application of computation science on advanced materials analyses
(アドバンス・シミュレーション・セミナー2021(第2回))

Professional career (1)：

博士(工学) (京都大学)

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