Nanostructures at surfaces from substrate-mediated interactions

Kristen Fichthorn, Michael Merrick, Matthias Scheffler

Research output: Contribution to journalArticle

46 Scopus citations

Abstract

Recent theoretical and experimental studies indicate that adsorbate-adsorbate interactions mediated by a solid surface can be significant enough to influence the formation of nanostructures during thin-film epitaxy. Here, we show that these electronic interactions lead to the formation of repulsive barriers surrounding small adsorbate islands at surfaces. The dependence of these barriers on island size and shape actuates sharp island-size distributions, which can be manipulated by changing growth conditions to yield selected island sizes and shapes. The existence of these interactions opens new prospects for engineering nanostructures at surfaces.

Original languageEnglish (US)
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume68
Issue number4
DOIs
StatePublished - Jul 15 2003

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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