Nakai Yoichi

Affiliation and department：

Research field (2)： Space and planetary science , Semiconductors, optical and atomic physics

Research keywords (3)： astrochemistry and geochemistry , radiation physics , atomic and molecular science

Research theme for competitive and other funds (15)：

2023 - 2025 Collaboration between gas phase ions and an icy dust surface in complex organic molecule formation: approach from laboratory experiment
2022 - 2025 Highly time resolved observation of creation for initial optical isomer excess with ultra sensitive optical purity measurements
2021 - 2023 Collaborative reactions between gas phase ions and interstellar dust surface: search for new reaction processes for complex organic molecule formation
2017 - 2022 Chemical evolution on cosmic dust: approach from elementary processes
2018 - 2021 Elucidation of ion-surface reactions on a interstellar dust surface: exploring their unknown roles in molecular evolution

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Papers (89)：

Yuko Motizuki, Yoichi Nakai, kazuyat Takahashi, Junya Hirose, Yu Vin Sahoo, Masaki Yumoto, Masayuki Maruyama, Michio Sakashita, Kiwamu Kase, Satoshi Wada, et al. A novel laser melting sampler for discrete, sub-centimeter depth-resolved analyses of stable water isotopes in ice cores. Journal of Glaciology. 2023
Y. Nakai, W. M. C. Sameera, K. Furuya, H. Hidaka, A. Ishibashi, N. Watanabe. Methanol Formation through Reaction of Low-energy CH3 + Ions with an Amorphous Solid Water Surface at Low Temperature. The Astrophysical Journal. 2023
Elizabeth Thomas, Diana Vladimirova, Dieter Tetzner, B. Daniel Emanuelsson, Nathan Chellman, Daniel A. Dixon, Hugues Goosse, Mackenzie Grieman, Amy King, Michael Sigl, et al. Ice core chemistry database: an Antarctic compilation of sodium and sulfate records spanning the past 2000 years. Earth System Science Data. 2023
A. Miyazaki, M. Tsuge, H. Hidaka, Y. Nakai, N. Watanabe. Direct Determination of the Activation Energy for Diffusion of OH Radicals on Water Ice. The Astrophysical Journal Letters. 2022. 940. 1. L2-L2
Kazuya Takahashi, Yu Vin Sahoo, Yoichi Nakai, Hideaki Motoyama, Yuko Motizuki. Annually Resolved Profiles of δ ³⁴ S and Sulfate in Shallow Ice Core DF01 (Dome Fuji, Antarctica) Spanning the Nineteenth Century and Their Geochemical Implications. Journal of Geophysical Research: Atmospheres. 2022. 127. 9

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Books (1)：

Lectures and oral presentations (9)：

Reactions through the irradiation of an ice surface with low-energy molecular ions at low temperatures
(Third Laboratory Astrophysics Workshop (ICE2024) 2024)
太陽プロトン現象が引き起こす中層大気でのイオン化学反応の影響:ボックスモデルシミュレーションによる研究
(「MTI研究集会」「宇宙空間からの地球超高層大気観測に関する研究会」合同研究会 2016)
Equilibrium of association/dissociation reactions of a water molecule to/ from H3O+(H2O)n cluster ions in an ion drift tube
(12th Asian International Seminar on Atomic and Molecular Physics 2016)
イオン移動管中で生成されたH+(H2O)nの平衡質量分布測定
(第4回イオン移動度研究会 2015)
Equipment for ionic cluster formation based on ion drift-tube with selected-ion injection
(18th Symposium on Atomic, Cluster and Surface Physics 2012)

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Professional career (1)：

Work history (5)：

Committee career (5)：

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