Solvation effects on collisional processes of size-selected I-2(CO2)n cluster ions with silicon surface

Hisato Yasumatsu; Tatsuya Tsukuda; Toshiki Sugai; Akira Terasaki; Takashi Nagata; Tamotsu Kondow

doi:10.1142/s0218625x96001625

Solvation effects on collisional processes of size-selected I^-₂(CO₂)_n cluster ions with silicon surface

Hisato Yasumatsu, Tatsuya Tsukuda, Toshiki Sugai, Akira Terasaki, Takashi Nagata, Tamotsu Kondow

研究成果: Contribution to journal › Article › 査読

21 被引用数 (Scopus)

抄録

Collisional processes of I^-₂ (CO₂)_n with a silicon surface were investigated. Size-selected I^-₂ (CO₂)_n (n = 0-30) were allowed to collide with a silicon surface at collision energies per I^-₂ of 1-150 eV at almost normal incidence angles. All the anions scattered from the surface were I^-, I^-(CO₂), I^-(CO₂)₂, I^-₂, I^-₂(CO₂), and I^-₀(CO₂)₂. The molecular dynamics simulation revealed that the dissociation of I^-₂ occurs through vibrational and rotational excitation. The I^-₂ dissociation was found to be either retarded or accelerated by the presence of the solvent CO₂ molecules. The solvation effects on the dissociation of I^-₂ were explained in terms of energy transfer between I^-₂ and CO₂ solvent molecules and a complex formed on the surface at the moment of the collision.

本文言語	英語
ページ（範囲）	901-904
ページ数	4
ジャーナル	Surface Review and Letters
巻	3
号	1
DOI	https://doi.org/10.1142/s0218625x96001625
出版ステータス	出版済み - 2 1996
外部発表	はい

All Science Journal Classification (ASJC) codes

凝縮系物理学
表面および界面
表面、皮膜および薄膜
材料化学

文献へのアクセス

10.1142/s0218625x96001625

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引用スタイル

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abstract = "Collisional processes of I-2 (CO2)n with a silicon surface were investigated. Size-selected I-2 (CO2)n (n = 0-30) were allowed to collide with a silicon surface at collision energies per I-2 of 1-150 eV at almost normal incidence angles. All the anions scattered from the surface were I-, I-(CO2), I-(CO2)2, I-2, I-2(CO2), and I-0(CO2)2. The molecular dynamics simulation revealed that the dissociation of I-2 occurs through vibrational and rotational excitation. The I-2 dissociation was found to be either retarded or accelerated by the presence of the solvent CO2 molecules. The solvation effects on the dissociation of I-2 were explained in terms of energy transfer between I-2 and CO2 solvent molecules and a complex formed on the surface at the moment of the collision.",

author = "Hisato Yasumatsu and Tatsuya Tsukuda and Toshiki Sugai and Akira Terasaki and Takashi Nagata and Tamotsu Kondow",

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T1 - Solvation effects on collisional processes of size-selected I-2(CO2)n cluster ions with silicon surface

AU - Yasumatsu, Hisato

AU - Tsukuda, Tatsuya

AU - Sugai, Toshiki

AU - Terasaki, Akira

AU - Nagata, Takashi

AU - Kondow, Tamotsu

PY - 1996/2

Y1 - 1996/2

N2 - Collisional processes of I-2 (CO2)n with a silicon surface were investigated. Size-selected I-2 (CO2)n (n = 0-30) were allowed to collide with a silicon surface at collision energies per I-2 of 1-150 eV at almost normal incidence angles. All the anions scattered from the surface were I-, I-(CO2), I-(CO2)2, I-2, I-2(CO2), and I-0(CO2)2. The molecular dynamics simulation revealed that the dissociation of I-2 occurs through vibrational and rotational excitation. The I-2 dissociation was found to be either retarded or accelerated by the presence of the solvent CO2 molecules. The solvation effects on the dissociation of I-2 were explained in terms of energy transfer between I-2 and CO2 solvent molecules and a complex formed on the surface at the moment of the collision.

AB - Collisional processes of I-2 (CO2)n with a silicon surface were investigated. Size-selected I-2 (CO2)n (n = 0-30) were allowed to collide with a silicon surface at collision energies per I-2 of 1-150 eV at almost normal incidence angles. All the anions scattered from the surface were I-, I-(CO2), I-(CO2)2, I-2, I-2(CO2), and I-0(CO2)2. The molecular dynamics simulation revealed that the dissociation of I-2 occurs through vibrational and rotational excitation. The I-2 dissociation was found to be either retarded or accelerated by the presence of the solvent CO2 molecules. The solvation effects on the dissociation of I-2 were explained in terms of energy transfer between I-2 and CO2 solvent molecules and a complex formed on the surface at the moment of the collision.

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