Penning ionization electron spectroscopy of CO 2 clusters in collision with metastable rare gas atoms

Ryo Maruyama, Hideyasu Tanaka, Yoshihiro Yamakita, Fuminori Misaizu, Koichi Ohno

研究成果: Article査読

6 被引用数 (Scopus)

抄録

Penning ionization electron spectra (PIES) of CO2 clusters have been observed for the first time. An unusually fast electron band with excess kinetic energies of 1.4-2.9 eV with respect to the monomer band for the ionic X state was observed for CO2 clusters in collision with He*(23S) atoms. While for PIES with Ne*(33P), no such unusual band was observed. The unusual band is ascribed to autoionization into stable structures of ionic clusters to which direct ionization processes are almost impossible due to very small Franck-Condon overlaps associated with a very large geometry difference between the ionic and neutral clusters.

本文言語English
ページ(範囲)104-110
ページ数7
ジャーナルChemical Physics Letters
327
1-2
DOI
出版ステータスPublished - 2000 9 1

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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