[P-PS09] Origin and evolution of materials in space

2:00 PM - 2:15 PM

[PPS09-02] In-situ observation of heterogeneous nucleation of ice by ultrahigh-vacuum transmission electron microscope

*Akira Kouchi¹, Yuki Kimura¹, Tetsuya Hama¹, Hiroshi Hidaka¹, Kyoko Tanaka¹, Naoki Watanabe¹, Iyo Sugawara², Shogo Tachibana³, Takashi Kozasa² (1.Institute of Low Temperature Science, Hokkaido University, 2.Faculty of Science, Hokkaido University, 3.School of Science, The University of Tokyo)

2:15 PM - 2:30 PM

[PPS09-03] The ortho-to-para ratio of gaseous water molecules desorbed from ice made from para-water

*Tetsuya Hama¹, Akira Kouchi¹, Naoki Watanabe¹ (1.Institute of Low Temperature Science, Hokkaido University)

2:45 PM - 3:00 PM

[PPS09-05] Reaction efficiency of hydrogen and carbon monoxide on an amorphous substrate of Mg-Fe-bearing silicate

*Yuki Kimura¹, Rikako Sato¹, Akira Tsuchiyama², Yusuke Tamenori³, Tetsuya Hama¹, Naoki Watanabe¹, Akira Kouchi¹, Hiroko Nagahara^4,5 (1.Institute of Low Temperature Science, Hokkaido University, 2.Division of Earth and Planetary Science, Kyoto University, 3.Japan Synchrotron Radiation Research Institute/SPring-8, 4.Department of Earth and Planetary Science, The University of Tokyo, 5.Earth-Life Science Institute, Tokyo Institute of Technology)