A study of many-body phenomena in metal nanoclusters (Au, Cu) close to their transition to the nonmetallic state

VD Borman*, PV Borisyuk, VV Lebid'ko, AA Pushkin, VN Tronin, [No Value] Troyan, DA Antonov, DO Filatov

*Corresponding author for this work

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Abstract

The results of a study of many-body phenomena in gold and copper nanoclusters are presented. The measured conductivity as a function of nanocluster height h was found to have a minimum at h approximate to 0.6 nm. Conductivity was local in character at nanocluster sizes l infinity) to nonmetallic (epsilon proportional to l(2)). The many-body phenomenon characteristics observed in the X-ray photoelectron and tunnel spectra of gold and copper nanoclusters as the size of the nanoclusters changed led us to suggest changes in the band structure of the nanoclusters and, therefore, their possible transition from the metallic to nonmetallic state.

Original languageEnglish
Pages (from-to)303-313
Number of pages11
JournalJournal of Experimental and Theoretical Physics
Volume102
Issue number2
DOIs
Publication statusPublished - Feb-2006

Keywords

  • X-RAY PHOTOEMISSION
  • CLUSTERS
  • SPECTRA
  • SINGULARITY
  • SILVER
  • SIZE
  • GOLD
  • HOLE

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