Sakuma Hiroshi

サクマヒロシ | Sakuma Hiroshi

Affiliation and department：
Job title： Principal Researcher
Homepage URL (1)： https://samurai.nims.go.jp/profiles/sakuma_hiroshi

Research field (3)： Solid earth science , Nanostructure physics , Nanostructure chemistry

Research keywords (10)： Tribology , Clay minerals , 分子シミュレーション , 水熱合成 , Adsorbent , Electrical conductivity , Geofluids , 固-液界面 , ナノトライボロジー , 表面力測定

Research theme for competitive and other funds (18)：

2024 - 2027 電子顕微鏡その場観察による層状結晶の低摩擦の新知見発見
2022 - 2025 ヒドロキシアルミニウム変質粘土表面における原子・分子レベルのセシウム吸着挙動解析
2020 - 2024 New approach for the mechanical properties and initiation of plate tectonics
2020 - 2023 A study of electrical conductivity of molten rock
2020 - 2023 What is the origin of friction force depending on the sliding velocity? Approach from atomic-scale behavior in real area of contact

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Papers (67)：

Kosuke Inoue, Yuto Nishiki, Keisuke Fukushi, Reo Suma, Tsutomu Sato, Hiroshi Sakuma, Kenji Tamura, Shingo Yokoyama, Misato Shimbashi, Tomoyuki Mizukami, et al. Systematic comparison of Mg K-edge XANES spectra of magnesium-bearing clay minerals and magnesium silicate hydrates: A promising tool for identifying magnesium silicate hydrate in natural samples. Applied Clay Science. 2023. 245. 107152
Hiroshi Sakuma, Ikuo Katayama, Kenji Kawai, Kenji Tamura. A small amount of water reduces the friction of the preferentially oriented montmorillonite gouge. Applied Clay Science. 2023. 243. 107058
Hanaya Okuda, Kenji Kawai, Hiroshi Sakuma. Atomic-scale interlayer friction of gibbsite is lower than brucite due to interactions of hydroxyls. American Mineralogist. 2023. 108. 8. 1476-1482
Koki Morida, Keisuke Fukushi, Hiroshi Sakuma, Kenji Tamura. Systematic comparison of the hydration and dehydration of Na⁺-, K⁺-, and NH₄⁺-saturated montmorillonite, nontronite, hectorite, saponite, and Fe-saponite by in situ X-ray diffraction measurements. Applied Clay Science. 2023. 237. 106898
Armando Azua-Bustos, Alberto G. Fairén, Carlos González-Silva, Olga Prieto-Ballesteros, Daniel Carrizo, Laura Sánchez-García, Victor Parro, Miguel Ángel Fernández-Martínez, Cristina Escudero, Victoria Muñoz-Iglesias, et al. Dark microbiome and extremely low organics in Atacama fossil delta unveil Mars life detection limits. Nature Communications. 2023. 14. 808

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MISC (41)：

Hiroshi SAKUMA, Kenji TAMURA. Caffeine Adsorption on Clay Minerals Enhanced by the Control of Nano Space. Nihon Kessho Gakkaishi. 2022. 64. 3. 225-230
黒澤耕介, 小松吾郎, 小松吾郎, 薮田ひかる, 森脇涼太, 岡本尚也, 佐久間博, 松井孝典, 松井孝典. Thermodynamics of Shock Vaporization/Devolatilization of Volatile-Bearing Rocks and its Experimental Investigation. 高圧力の科学と技術. 2021. 31. 3
四辻健治, 四辻健治, 舘幸男, 河村雄行, 河村雄行, 有馬立身, 佐久間博. Molecular Dynamics Simulations of Physical Properties of Water and Cations in Montmorillonite Interlayer: Application to Diffusion Model. 粘土科学. 2019. 58. 1
佐久間博, 市來雅啓. 分子動力学計算による地殻におけるNaCl-H2O流体の電気伝導度の導出. 2016年 Conductivity Anomaly研究会論文集. 2016. 1-8
Sakuma Hiroshi. Maximum friction coefficients of mica and clay minerals in faults: Effects of particle morphology and water. Journal of the Clay Science Society of Japan (in Japanese). 2016. 54. 3. 120-125

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Patents (5)：

Professional career (2)：

修士(理学) (東北大学)
博士(理学) (東北大学)

Work history (9)：

2019/04 - 現在 National Institute for Materials Science Principal Researcher
2019/06 - 2019/12 U. S. Geological Survey Visiting Researcher
2014/01 - 2019/03 National Institute for Materials Science Senior Researcher
2010/04 - 2013/12 Tokyo Institute of Technology Assistant Professor
2011/06 - 2011/12 University of Copenhagen Visiting Associate Professor

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Committee career (1)：

2020/08 - 現在日本粘土学会広報委員長

Awards (4)：

2023/03 - 一般社団法人日本原子力学会バックエンド部会論文賞モンモリロナイトの膨潤挙動に及ぼす層間対イオンの影響:分子動力学シミュレーションによる支配因子の評価
2019/09 - The Clay Science Society of Japan CSSJ "Nendokagaku" Paper Award
2015/09 - 日本粘土学会奨励賞
2014/09 - 日本鉱物科学会研究奨励賞

Association Membership(s) (5)：

THE CLAY SCIENCE SOCIETY OF JAPAN , Japan Association of Mineralogical Sciences , American Geophysical Union , THE MOLECULAR SIMULATION SOCIETY OF JAPAN , The Clay Minerals Society

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