Thermodynamic separability of ultra-thin film surfaces and interfaces

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


Surface and interface excess quantities are coupled or ill-defined for ultra-thin films. Yet, surface and interface energy are consistently used to describe monolayer-range heteroepitaxial structures. Here, we examine the convergence of interfacial thermodynamic quantities to the well-defined thermodynamic (separability) limit in the systems Ag/Au(1 1 1) and Al/Au(1 1 1). Convergence to separability occurs together with the interface-induced electronic structure and interlayer spacing perturbations. We discuss how lack of thermodynamic separability affects growth mode, coherency, and domain organization.

Original languageEnglish (US)
Pages (from-to)1012-1016
Number of pages5
JournalSurface Science
Issue number5
StatePublished - Mar 1 2006


  • Coherency
  • Domain organization
  • Growth mode
  • Heteroepitaxy
  • Surface thermodynamics
  • Ultra-thin films

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Materials Chemistry


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