Rchr

J-GLOBAL ID：200901050214659374 Update date: Oct. 07, 2024

Murakami Yasukazu

ムラカミヤスカズ | Murakami Yasukazu

Affiliation and department：
Homepage URL (2)： http://www.hvem.kyushu-u.ac.jp/environ/index.html , http://db.tohoku.ac.jp/whois/detail/25713e10a2cb131833c48e5753e280ec.html

Research field (4)： Structural and functional materials , Metallic materials , Crystal engineering , Applied materials

Research keywords (9)：電子顕微鏡 , 電子線ホログラフィー , 磁性材料 , ナノ粒子、ナノ材料 , 相変態と組織形成 , 電子顕微鏡と情報科学の融合 , domain structure , phase transformation , electron microscopy

Research theme for competitive and other funds (35)：

2021 - 2024 金属担持触媒の電気分極~高感度化された電子線ホログラフィーと雰囲気制御による解明
2022 - 2023 磁性材料における反磁場の可視化:電子線ホログラフィーを用いた新技術の開発と応用
2021 - 2023 Fe-Ga磁歪材料の機能発現:先端電子顕微鏡技術による機構解明
2021 - 2023 電子線ホログラフィーによる磁場解析の高度化と磁石材料への応用
2018 - 2021 Electron Microscopy Analysis for Materials Interfaces –Development and Applications of Multidisciplinary Quantification Techniques for Atomic Structures and Electromagnetic Properties

2016 - 2021 AIと大規模画像処理による電子顕微鏡法の技術革新

2018 - 2021 電子線ホログラフィーによる局所領域の磁化分布解析

2018 - 2020 Analysis of electrostatic potential distribution of supported metal nanoparticles

2018 - 2019 電子線ホログラフィーによる超高感度の電場・電気分極計測

2015 - 2018 暗視野電子線ホログラフィーによる格子歪と磁性の同時解析

2013 - 2018 電子線ホログラフィによるナノ領域の磁束解析

2015 - 2017 Development and expansion of scanning electron microscopy technique for wide area and high resolution magnetic imaging

2015 - 2017 Direct observation of diffusion process of solute atoms by STEM-HAADF observation

2013 - 2016 Study of charging phenomena by electric field visualization and secondary electron detection

2015 - 2016 Self-assembly and magnetization distribution of colloidal magnetic particles: direct TEM observations

2010 - 2015 Anomalies of martensitic transformations appearing at very low temperatures-their origin and universality-

2013 - 2015 圧力を利用したスピネル型酸化物の磁化制御

2011 - 2014 マンガン酸化物における新奇な電場誘起ドメインスイッチング

2007 - 2011 Development of electron holography system for photoexcitation phenomena and its application to materials science

2008 - 2010 Study of multi-ferroic compounds by controlling external fields and in-situ TEM observations

2010 - Understanding singular points in phase diagram

2008 - Determination of magnetic/electric constants of crystals by using TEM

2006 - 2007 Electron holography studies on the pattem formation preceding to displacive phase transformations

2004 - 2006 Evaluation of Magnetic-Field Induced Shape Memory Effect in Ferromagnetic Shape Memory Alloy Films and its Mechanism

2004 - 2006 Three-dimensional analysis of magnetization distribution by MFM and electron holography

2004 - 2005 磁場・電場によるマンガン酸化物の磁区構造制御とホログラフィーによる伝導機構の解明

2001 - 2003 Development of observation methods for nano-sized magnetic domains with electron holography

2001 - 2002 電子線ホログラフィーによるNiMnGa合金マルテンサイトの磁区構造評価

2000 - 2002 Gallium Nitride Single Crystal Growth by Flux Method

2002 - Revealing interface magnetism

1999 - 2001 Development of precise morphological analysis methods with electron holography

1999 - 2000 EELSとTEMによるTiNiFe合金のマルテンサイト変態前駆現象の解明

2000 - Effect of external fields on materials functionalities

1997 - 1998 電子エネルギー損失分光法によるマルテンサイト変態に伴う電子状態変化の解明

1996 - microscopic mechanisms of structural phase transformations (martensitic transformations and others)

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Papers (212)：

Youichirou Kawami, Xuan Quy Tran, Tomokazu Yamamoto, Satoru Yoshioka, Yasukazu Murakami, Syo Matsumura, Kazuhiro Nogita, Jin Zou. Cu-Atom Locations in Rocksalt SnTe Thermoelectric Alloy. Advanced Materials. 2024. 24. 2410508(1)-2410508(16)
Kenta Ikeda, Megumi Mukoyoshi, Kohei Kusada, Tomokazu Yamamoto, Yasukazu Murakami, Hiroshi Kitagawa. Synthesis of Pd-Pt-P amorphous nanoparticles. Chemistry Letters. 2024. 53. 8
Toshiaki Tanigaki, Tetsuya Akashi, Takaho Yoshida, Ken Harada, Kazuo Ishizuka, Masahiko Ichimura, Kazutaka Mitsuishi, Yasuhide Tomioka, Xiuzhen Yu, Daisuke Shindo, et al. Electron holography observation of individual ferrimagnetic lattice planes. Nature. 2024. 631. 521-525
Sujin Lee, Yoshihiro Midoh, Yuto Tomita, Takehiro Tamaoka, Mitsunari Auchi, Taisuke Sasaki, Yasukazu Murakami. Noise reduction of electron holography observations for a thin-foiled Nd-Fe-B specimen using the wavelet hidden Markov model. Applied Microscopy. 2024. 54. 1
Ryotaro Aso, Yoshihiro Midoh, Toshiaki Tanigaki, Yasukazu Murakami. High-precision charge analysis in a catalytic nanoparticle by electron holography. Microscopy. 2024

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MISC (248)：

麻生亮太郎, 谷垣俊明, 村上恭和. チタン酸化物上の白金ナノ粒子の電荷状態を粒子ごとに同定する. 2023
YU Boyuan, GENCHI Shingo, YAMAMOTO Mahito, WATANABE Kenji, TANIGUCHI Takashi, MURAKAMI Yasukazu, TAMAOKA Takehiro, TANAKA Hidekazu. Preparation of VO₂ ultra-thin films on the hexagonal Boron Nitride and their thicknesses dependence of electrical properties. 応用物理学会秋季学術講演会講演予稿集(CD-ROM). 2021. 82nd
Yasushi Okada, Yasuakzu Murakami. For Microscopy Special Issue on "AI and Imaging". 2020
松村晶, 村上恭和, 波多聰, 安田和弘, 工藤昌輝, 福永裕美, 阿内三成, 鳥山誉亮, 前野宏志. Kyushu University Ultramicroscopy Platform for Nanomaterial Developing. まてりあ. 2019. 58. 12
Niitsu Kodai, Minakuchi Kazuhiro, Xu Xiao, Kainuma Ryosuke, Nagasako Makoto, Ohnuma Ikuo, Tanigaki Toshiaki, Murakami Yasukazu, Shindo Daisuke. Simultaneous Evaluation of Microsegregation and Degree of Atomic Ordering at Antiphase Boundaries in Ni₅₀Mn₂₀In₃₀ Heusler alloy. Materia Japan. 2019. 58. 2. 95-95

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Books (39)：

省/脱Dyネオジウム磁石と新規永久磁石の開発、第5章「電子線ホログラフィーによる粒界相磁束密度の解析」
シーエムシー出版 2015
「電子線ホログラフィーによる粒界相磁束密度の解析」省/脱Dyネオジウム磁石と新規永久磁石の開発:広沢、宝野監修
2015
Mesoscopic Phenomena in Multifunctional Materials
Springer-Verlag 2014
Ferromagnetic Shape Memory Alloys
Trans Tech Publishers Ltd. 2011
Disorder and Strain-Induced Complexity in Functional Materials
Springer 2011

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Lectures and oral presentations (171)：

Electron Holography Study on the Charging State of Catalyst Nanoparticle
(2023)
Double heterostructure introduction in Pt/Ni/Co system for skyrmion with small size and fast transport
(2023年第70回応用物理学会春季学術講演会、上智大学 2023)
メタン・ドライリフォーミング反応におけるNi/CeO2触媒の化学状態変化
(第64回日本顕微鏡学会九州支部学術講演会、佐賀大学 2022)
情報科学的手法を用いた電子線ホログラフィーの高感度化と触媒解析への応用
(第37回分析電子顕微鏡討論会 2022)
Extraction of phase information about demagnetization field using electron holography observation
(第64回日本顕微鏡学会九州支部学術講演会、佐賀大学 2022)

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Work history (5)：

2022/11 - 現在 Kyushu University Distinguished Professor
2015/04 - 現在 Kyushu University Faculty of Engineering
2006/11 - 2015/03 Tohoku University Institute of Multidisciplinary Research for Advanced Materials Associate Professor
2003/04 - 2006/10 Tohoku University Institute of Multidisciplinary Research for Advanced Materials Lecturer
1996/04 - 2003/03 Tohoku University Institute of Multidisciplinary Research for Advanced Materials Research Associate

Committee career (20)：

2023/09 - 現在 Session Organizer, Asia Pacific Microscopy Congress (APMC13)
2023/09 - 現在 JST 創発的研究支援事業アドバイザー
2023/06 - 現在 JST さきがけ計測解析基盤領域アドバイザー
2023/04 - 現在日本顕微鏡学会第81回学術講演会実行委員長
2023/04 - 現在日本金属学会評議員

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Awards (15)：

2024/04 - 文部科学大臣表彰科学技術賞(研究部門)
2022/10 - Top 5% research outputs scored by Altmetric (Science)
2022/10 - Nature Publication Group Editor’s Highlight (Nature Communications)
2022/02 - American Institute of Physics Featured Article (Applied Physics Letters)
2020/04 - Acta Materialia, Elsevier Excellent Reviewers, Acta Materialia

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Association Membership(s) (5)：

日本顕微鏡学会 , 日本金属学会 , 日本MRS , TMS(米国材料学会) , 日本磁気学会

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