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The temperature dependence of the energy distribution of the beam emitted by an Au82Si18 liquid metal field-ion emitter

  • C. J. Aidinis
  • , G. L.R. Mair
  • , L. Bischoff
  • , C. A. Londos
  • , Ch Akhmadaliev
  • , Th Ganetsos
  • National and Kapodistrian University of Athens
  • Helmholtz-Zentrum Dresden-Rossendorf

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

The energy distribution of the monomer ion species is studied as a function of emitter temperature for an Au82Si18 eutectic liquid metal alloy ion source (LMAIS). Secondary peaks, or shoulders, in the distribution of some of the species are explained in terms of Hornsey's model, which involves the fast movement of the jet in conjunction with a space-charge energy broadening mechanism within the beam. Moreover, the results confirm an earlier conclusion that whereas Au+, Si+ and Si ++ are emitted by direct field-evaporation from the liquid surface, Au++ forms by the post ionization of Au+.

Original languageEnglish
Pages (from-to)627-631
Number of pages5
JournalNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume222
Issue number3-4
DOIs
StatePublished - Aug 2004
Externally publishedYes

Keywords

  • Alloy
  • Energy distribution
  • Liquid metal ion source
  • Temperature

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