Electronic properties of Cs-atom doped aluminum and silicon clusters: AlnCsm and SinCsm

Kiichirou Koyasu, Minoru Akutsu, Junko Atobe, Masaaki Mitsui, Atsushi Nakajima

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

The effect of Cs atom doping on metallic aluminum clusters and covalent silicon clusters, AlnCsm (n = 5-14, m = 0-3) and SinCsm (n = 5-16, m = 0-3), was examined by mass spectrometry and anion photoelectron spectroscopy. For clusters containing Cs atom(s), the electron affinities of both clusters are generally decreased and the following characteristic features are observed: for AlnCsm, Cs-atom doping causes (1) electron filling into the electronic shell structure of the Aln clusters and (2) geometrical packing of icosahedral 13-atoms, while for SinCsm Cs-atom doping enhances electronic stability to be ascribed to pure Sin clusters, particularly at (n, m) = (10, 3) and (13, 1).

Original languageEnglish
Pages (from-to)534-539
Number of pages6
JournalChemical Physics Letters
Volume421
Issue number4-6
DOIs
Publication statusPublished - 2006 Apr 15

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Silicon
Aluminum
Electronic properties
aluminum
Atoms
silicon
electronics
Doping (additives)
atoms
Electron affinity
Photoelectron spectroscopy
Anions
Mass spectrometry
electron affinity
mass spectroscopy
photoelectron spectroscopy
Electrons
anions
causes
electrons

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Spectroscopy
  • Atomic and Molecular Physics, and Optics
  • Surfaces and Interfaces
  • Condensed Matter Physics

Cite this

Electronic properties of Cs-atom doped aluminum and silicon clusters : AlnCsm and SinCsm. / Koyasu, Kiichirou; Akutsu, Minoru; Atobe, Junko; Mitsui, Masaaki; Nakajima, Atsushi.

In: Chemical Physics Letters, Vol. 421, No. 4-6, 15.04.2006, p. 534-539.

Research output: Contribution to journalArticle

Koyasu, Kiichirou ; Akutsu, Minoru ; Atobe, Junko ; Mitsui, Masaaki ; Nakajima, Atsushi. / Electronic properties of Cs-atom doped aluminum and silicon clusters : AlnCsm and SinCsm. In: Chemical Physics Letters. 2006 ; Vol. 421, No. 4-6. pp. 534-539.
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