坂口佳史

Sakaguchi Yoshifumi

所属機関・部署：
職名：主任研究員

研究分野 (2件)：半導体、光物性、原子物理 , 生物物理、化学物理、ソフトマターの物理

研究キーワード (7件)：試料環境 , 中性子反射率 , 中性子散乱 , 光誘起現象(光誘起構造転移、光誘起イオン拡散、光誘起自己組織化) , カルコゲナイド , 液体半導体 , アモルファス半導体

競争的資金等の研究課題 (1件)：

論文 (91件)：

Hiroki Iwase, Masaaki Akamatsu, Yasuhiro Inamura, Yoshifumi Sakaguchi, Kazuki Kobayashi, Hideki Sakai. Time-Resolved Structural Analysis of Fast-Photoresponsive Surfactant Micelles by Stroboscopic Small-Angle Neutron Scattering. Langmuir : the ACS journal of surfaces and colloids. 2023. 39. 35. 12357-12364
Yoshifumi Sakaguchi, Shin-chi Takata, Yukinobu Kawakita, Yuki Fujimura, Keietsu Kondo. Direct observation of concentration fluctuations in Au-Si eutectic liquid by small-angle neutron scattering. Journal of Physics: Condensed Matter. 2023. 35. 41. 415403-415403
Hiroki Iwase, Masaaki Akamatsu, Yasuhiro Inamura, Yoshifumi Sakaguchi, Toshiaki Morikawa, Satoshi Kasai, Keiichi Oh-uchi, Kazuki Kobayashi, Hideki Sakai. New measurement system based on small-angle neutron scattering for structural analysis of light-responsive materials. Journal of Applied Crystallography. 2023. 56. 1
Abelito F. Belo, K. Shimakawa, Y. Sakaguchi. Transient photodarkening induced by a nanosecond pulsed laser in amorphous and liquid As2Se3: fractal characteristics in relaxation dynamics. Journal of Materials Science: Materials in Electronics. 2022. 33. 28. 22541-22548
Masaaki Akamatsu, Kazuki Kobayashi, Hiroki Iwase, Yoshifumi Sakaguchi, Risa Tanaka, Kenichi Sakai, Hideki Sakai. Rapid controlled release by photo-irradiation using morphological changes in micelles formed by amphiphilic lophine dimers. Scientific Reports. 2021. 11. 1

MISC (64件)：

書籍 (2件)：

“-Nano-ionic nonvolatile memory devices - basic ideas and structural model of rigid Ge-S glasses as medium for them - Chapter 14” in the book in Rigidity and Intermediate Phases in nanomaterials
2009
“Chapter 12. Photo-Induced Changes in Liquid Sulfur and Selenium” p.199-219. in “Photo-induced Metastability in Amorphous Semiconductors”
Wiley 2003

講演・口頭発表等 (5件)：

Kinetics of silver photodiffusion into amorphous germanium sulfide probed by in situ neutron reflectivity measurement
(Pan Pacific International Symposium on Chalcogenide Functional Materials @Kumamoto 2019)
Kinetics of silver photodiffusion into amorphous Ge chalcogenides probed by neutron reflectivity measurement
(14th International Conference on the Structure of Non-crystalline Materials @Kobe 2019)
Kinetics study on silver photo-diffusion into amorphous germanium sulfide using neutron reflectivity technique
(International Symposium on Advanced Materials Having Multi-Degrees-of-Freedom -Informatics in Advanced Measurements and Material Science- @Kumamoto 2018)
Kinetics of silver photo-diffusion into Ge-chalcogenides: review of neutron reflectivity measurement
(Solid State Chemistry 2018 @University of Pardubice, Pardubice, Czech Republic 2018)
Silver photo-diffusion into amorphous Ge chalcogenides - excitation light energy dependence on the kinetics probed by neutron reflectivity
(28th International Conference on Amorphous and Nanocrystalline Semiconductors (ICANS 28) @Palaiseau, France 2019)

学歴 (3件)：

学位 (1件)：

経歴 (7件)：

2017/04 - 現在一般財団法人総合科学研究機構中性子科学センター主任研究員
2011/02 - 2017/03 一般財団法人総合科学研究機構東海事業センター/中性子科学センター副主任研究員
2009/02 - 2011/01 国立研究開発法人日本原子力研究開発機構特定課題推進員
2007/04 - 2009/02 Boise State University Department of Electrical and Computer Engineering Postdoctoral researcher
2003/06 - 2007/03 京都大学大学院工学研究科材料工学専攻 21世紀COE研究員

全件表示

所属学会 (6件)：

高分子学会 , 日本高圧力学会 , 固体イオニクス学会 , 日本中性子学会 , 応用物理学会 , 日本物理学会

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坂口 佳史