Photoelectron spectroscopy of silicon-carbon cluster anions (Si nCm -)

Atsushi Nakajima, Tetsuya Taguwa, Kojiro Nakao, Motoki Gomei, Reiko Kishi, Suehiro Iwata, Koji Kaya

研究成果: Article査読

84 被引用数 (Scopus)

抄録

Photoelectron spectra of Sin,Cm - cluster anions (1≤n≤7 and 1≤m≤5) were measured at the photon energies of 3.49 eV, by using a magnetic bottle electron spectrometer. The Si nCm - clusters were produced either by a laser vaporization of a silicon-carbon mixed rod or by two laser vaporizations of carbon and silicon rods in a He carrier gas. The spectra of the Si nC1 - (3≤n≤7) clusters are similar to those of pure Sin+1 - clusters in the peak positions and their envelopes, which is attributed to the isovalent electronic structure of Si and C atoms as well as to the similar geometrical structure. In contrast, the similarity in the photoelectron spectra is not observed between Cm+1 and Si1Cm (2≤m≤5) clusters, which is attributed to a change in their geometry; from chain to ring. These experimental conclusions are discussed with the results of our theoretical calculations.

本文言語English
ページ(範囲)2050-2057
ページ数8
ジャーナルThe Journal of Chemical Physics
103
6
DOI
出版ステータスPublished - 1995 1 1

ASJC Scopus subject areas

  • 物理学および天文学(全般)
  • 物理化学および理論化学

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