Sodium doped binary clusters I: Ionization potentials of SinNam clusters

K. Kaya, T. Sugioka, T. Taguwa, K. Hoshino, A. Nakajima

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Abstract

Sodium doped silicon clusters (SinNam, 3≤n≤11, 1≤m≤4) were produced by two independent laser vaporization methods and their ionization potentials were measured by scanning the wavelength of the UV dye laser. The IPs of most SinNam clusters decrease monotonously with the number of Na atoms, but IPs of Si7Nam and Si10Nam clusters show an apparent even-odd alternation; odd numbers of Na atoms efficiently decrease the IP but even numbers of Na atoms never significantly decrease the IPs. In addition, the reactivity of SinNam clusters for NO molecules was investigated with a fast flow reactor, and an anti-correlation between IP and the reactivity was clearly observed; clusters having high IP show low reactivity and vice versa.

Original languageEnglish
Pages (from-to)201-203
Number of pages3
JournalZeitschrift für Physik D Atoms, Molecules and Clusters
Volume26
Issue number1 Supplement
DOIs
Publication statusPublished - 1993 Mar 1

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Keywords

  • 34.50. Lf
  • 36.40. +d

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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