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 journalArticle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
3
1
DOI
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

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