Photo- and thermally induced interdiffusion in Se/As2 S3 nanomultilayers prepared by pulsed laser deposition and thermal evaporation

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The effects of light- and thermally stimulated interdiffusion in Se/As2S3 nanomultilayers (NML) with modulation period of 6-9 nm fabricated by pulsed laser deposition (PLD) and by the method of cyclic thermal evaporation (CTE) of the Se and As2S3 components were investigated by means of direct low-angle X-ray diffraction (LAXRD) measurements and by indirect methods of optical measurements. More pronounced nano-granular structure is characteristic for PLD samples but at the same time the interfaces are essentially sharpened, the periodicity and the initial blue-shift of the optical absorption edge are better in comparison with CTE samples. Somewhat less efficient interdiffusion and changes of optical parameters i.e. amplitude-phase recording in PLD samples in comparison with CTE ones may be caused by different deposition conditions, ratio of sub-layer's thickness and their structure, eventually by changes in chemical composition.

Original languageEnglish
Pages (from-to)948-952
Number of pages5
JournalJournal of Physics and Chemistry of Solids
Issue number5-6
Publication statusPublished - May 1 2007


  • A. Multilayers
  • A. Nanostructures
  • A. Non-crystalline materials
  • D. Diffusion
  • D. Optical properties

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

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