Quantitative evolution studies of particle separation, size and shape for vapour-deposited ultrathin gold films on glass substrates

S. Norrman, T. Andersson, G. Petö, S. Somogyi

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Quantitative results concerning the evolution of particle size, coverage, edge-to-edge separation and shape for ultrathin gold films on glass substrates are reported. These structural features of the particles deposited in ultrahigh vacuum were determined using a Quantimet 720 image analyser. The results from the frequency plots of the edge-to-edge separation and the form factor reveal that the liquid-like coalescence successively changes into an ordinary coalescence process with the onset at a mean film thickness of approximately 3 nm. The two processes are discussed in terms of Ostwald ripening and particle mobility, and future investigations are outlined to clarify the dependence of the observed coalescence processes on residual gases in the vacuum system.

Original languageEnglish
Pages (from-to)359-366
Number of pages8
JournalThin Solid Films
Issue number4
Publication statusPublished - Mar 20 1981


ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry

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