Reflectance anisotropy studies of 5x2-Au structures grown on Si(111) surfaces with different step formations

Julie Jacob, Niall McAlinden, K. Fleischer, S Chandola, J F McGilp

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3 Citations (Scopus)

Abstract

Reflection anisotropy spectroscopy (RAS) studies are reported of Si(111)-5x2-Au structures grown on substrates with different offcuts and step densities. Such substrates produce a predominant domain on the (111) terrace that would otherwise produce a negligible RAS signal, due to domain averaging. Changes in the RAS spectra with offcut angle are observed in the 1 to 3 eV region, where Au-induced structures appear. Results from offcuts towards [(11) over bar2] of 2 degrees, 3 degrees, 9.5 degrees, and -4 degrees are presented. The variation in the RAS spectra is consistent with different populations of single- and double-chain gold structures formed in the region of the steps.
Original languageEnglish
DOIs
Publication statusPublished - 2008
Event7th International Conference on Optics of Surfaces and Interfaces - Jackson Hole, United States
Duration: 15 Jul 200720 Jul 2007

Conference

Conference7th International Conference on Optics of Surfaces and Interfaces
CountryUnited States
CityJackson Hole
Period15/07/0720/07/07

Keywords

  • reflectance anisotropy
  • anisotropy
  • step formations

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