Rchr
J-GLOBAL ID：200901041460937910
Update date: Sep. 17, 2024
Kouchi Akira
コウウチ アキラ | Kouchi Akira
Affiliation and department：
Job title：
Professor
Research field (3)：
Crystal engineering
, Applied materials
, Solid earth science
Research keywords (2)：
惑星科学
, Planetary Sciences
Research theme for competitive and other funds (49)：
- 2021 - 2026 宇宙空間におけるクラスレートハイドレートの形成メカニズム
- 2020 - 2025 Molecular-scale elucidation of the reaction elementary processes on the model dust surfaces by single-molecule surface spectroscopy
- 2019 - 2022 Formation of hydrous silicate by photochemical reaction between ice and amorphous silicate at low temperatures
- 2016 - 2020 Liquid-like behavior of UV-irradiated interstellar amorphous ice and its physical properties
- 2018 - 2019 宇宙における分子進化:星間雲から原始惑星系へ
- 2015 - 2018 Development of project on molecular evolution in space to international cooperation and interdisciplinary research
- 2013 - 2018 Formation of ices and organic molecules in interstellar molecular clouds
- 2013 - 2018 Evolution of molecules in space:from interstellar clouds to proto-planetary nebula
- 2013 - 2018 Evolution of molecules in space: from interstellar clouds to proto-planetary nebulae
- 2014 - 2017 Clarification of the surface structure and the surface potential of amorphous ice by a low-temperature atomic force microscope
- 2012 - 2017 Mechanisms of formation and isotope fractionation of interstellar molecules on cosmic dust
- 2013 - 2016 Development of ultrahigh vacuum (UHV) transmission electron microscope for in-situ observation of ice
- 2010 - 2012 Observation of surface structure of amorphous ice and role of amorphous ice in surface atomic reactions at low temperatures
- 2008 - 2010 Origin of the variety of asteroids and icy satellites driven by the impact disruption of planetesimals in thermal evolution
- 2005 - 2009 Evaluation of catalytic effect of amorphous ice on the surface atomic reactions
- 2004 - 2006 彗星の衝撃変成による含水鉱物の形成
- 2004 - 2006 Thermal history at the stages of molecular clouds to planet formation with the use of crystallization of dust as a tool
- 2004 - 2005 Surface reactions of atoms and the mechanism of deuterium fractionation on inter Stellar dusts at the very low temperature
- 2004 - 2005 星間塵表面における重水素濃縮機構
- 2003 - 2004 UV-induced diamond formation in interstellar clouds
- 2001 - 2003 Experimental study on the heating of silicate aggregates and the formation of chondrules by nebula shock
- 2000 - 2001 Collisional sticking of organic grains in the solar nebula
- 1999 - 2000 太陽系始源有機物の蒸発変成作用
- 1999 - 2000 The observation of the growth and ifrured absorption for dust particles ecclosed in a small scale space
- 1998 - 1999 微惑星の力学的性質に対する有機物質の効果
- 1998 - 1999 Development of comet nucleus simulation experiments
- 1997 - 1999 Structure and physical properties of impure amorphous interstellar icy grains
- 1996 - 1998 In-situ measurement of high velocoty impact fragments of icy planets
- 1995 - 1997 Development of Chemical Evolution Simular in Interstellar Space
- 1996 - 1996 生物有機化合物の光学活性の宇宙起源
- 1995 - 1996 Chemical reaction mechanism on the surafce of interstellar icy grains
- 1994 - 1996 Microphysical properties of ice cores and paleoenvironment signals
- 1994 - 1994 氷星間塵の原始太陽系星雲における変成作用
- 1993 - 1994 Material evolution simulator
- 1992 - 1993 Thermal conductivity of amorphous ice
- 1989 - 1989 原始太陽系星雲における含水鉱物の形成機構
- 1988 - 1988 氷星間塵の蒸発変成作用
- 1988 - 1988 星間雲及び原始太陽系星雲における氷の凝縮・蒸発機構
- 1987 - 1987 原始太陽系星雲における鉱物-ガスの反応機構
- 1987 - 1987 星間雲および原始太陽系星雲における氷の凝縮・蒸発機構
- 1987 - 1987 表面融解を起こした結晶の気相成長(蒸発)機構の研究
- 1985 - 1987 Studies on Whisker of Ice Crystals
- 1986 - 1986 氷結晶の表面融解層のX線構造解析
- 1986 - 1986 結晶成長における元素の有効分配係数に対する非平衡効果の研究
- 1984 - 1984 原始太陽系星雲における氷結晶の凝縮, 蒸発過程の研究
- アモルファス氷の物性
- 彗星の起源と進化
- Physical Properties of Amorphous Ice
- Origin and Evolution of Comets
Show all
Papers (246)：
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Hiromasa Niinomi, Hiroki Nada, Tomoya Yamazaki, Tetsuya Hama, Akira Kouchi, Tomoya Oshikiri, Masaru Nakagawa, Yuki Kimura. Dependence of Homoimmiscible Water Dynamics on Overpressure at the Interface between Water and the Basal Plane of Single-Crystal Ice Ih. The Journal of Physical Chemistry C. 2024
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Hiromasa Niinomi, Tomoya Yamazaki, Hiroki Nada, Tetsuya Hama, Akira Kouchi, Tomoya Oshikiri, Masaru Nakagawa, Yuki Kimura. Chiral Spinodal-like Ordering of Homoimmiscible Water at Interface between Water and Chiral Ice III. The Journal of Physical Chemistry Letters. 2024. 659-664
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Tomoya Yamazaki, Akira Kouchi, Ken-ichiro Murata, Hiroyasu Katsuno, Hiroki Nada, Tetsuya Hama, Yuki Kimura. In situ cryogenic transmission electron microscopy observation on the formation of hydrogen-ordered hexagonal ices and its astrophysical implications. Monthly Notices of the Royal Astronomical Society. 2023
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Hiromasa Niinomi, Tomoya Yamazaki, Hiroki Nada, Tetsuya Hama, Akira Kouchi, Tomoya Oshikiri, Masaru Nakagawa, Yuki Kimura. Anisotropy in spinodal-like dynamics of unknown water at ice V-water interface. Scientific Reports. 2023. 13. 1
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Akira Kouchi, Tomoya Yamazaki, Hiroyasu Katsuno, Hiroki Nada, Tetsuya Hama, Yuki Kimura. Observation of hydrogen-ordered cubic ice thin films on the surface of ice Ic nanocrystals upon coarsening. Chemical Physics. 2023. 572. 111966-111966
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MISC (66)：
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竹腰達哉, 李建鋒, 陳家偉, 宇野慎介, 井上修平, 長沼桐葉, 丹羽佑果, 藤田和之, 香内晃, 中坪俊一, et al. 超伝導検出器焦点面に適した低熱収縮シリコンアルミ合金の極低温特性評価. 日本天文学会年会講演予稿集. 2021. 2021
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Atsuki Ishibashi, Yasuhiro Oba, Tetsuya Hama, Akira Kouchi, Naoki Watanabe. Inversion of surface voltage on H2O films affecting sublimation of CO underlayer. ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY. 2019. 258
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Ayane Miyazaki, Naoki Watanabe, W. M. C. Sameera, Tetsuya Hama, Hiroshi Hidaka, Akira Kouchi. Activation energy of OH-radical diffusion on water ice surface. ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY. 2019. 258
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Naoki Watanabe, Ayane Miyazaki, W. M. C. Sameera, Tetsuya Hama, Akira Kouchi. Behavior of OH radical on ice. ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY. 2019. 258
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香内晃, 木村勇気, 大場康弘, 羽馬哲也, 渡部直樹, 橘省吾, 土山明, 延寿里美, 大坪貴文. アモルファスMg2SiO4微粒子を覆った氷の光化学反応によるフォルステライト結晶の生成. 日本地球惑星科学連合大会予稿集(Web). 2019. 2019
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Lectures and oral presentations (22)：
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アモルファスH2O, CO, CO2の結晶化によるダスト上での不均質な多面体氷結晶の生成
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アモルファスMg2SiO4微粒子を覆った氷の光化学反応によるフォルステライト結晶の生成
(2019)
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超高真空透過型電子顕微鏡による氷の不均質核生成のその場観察
(2018)
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In Situ Observation of Amorphous Ices by Ultrahigh Vacuum TEM
(2018 MRS Spring Meeting & Exhibit 2018)
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Evolution of molecules in space: From interstellar clouds to proto-planetary nebulae
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Education (4)：
- - 1981 Tohoku University
- - 1981 Tohoku University Graduate School, Division of Natural Science
- - 1979 Tohoku University Faculty of Science
- - 1979 Tohoku University Faculty of Science
Professional career (1)：
Awards (1)：
Association Membership(s) (5)：
日本岩石鉱物鉱床学会
, 日本結晶成長学会
, 日本鉱物学会
, 日本雪氷学会
, 日本惑星科学会
