Evaluation of basic physical parameters of quaternary Ge-Sb-(S,Te) chalcogenide glasses

V. Pamukchieva, A. Szekeres, K. Todorova, M. Fabian, E. Svab, Zs Revay, L. Szentmiklosi

Research output: Contribution to journalArticle

47 Citations (Scopus)

Abstract

New quaternary chalcogenide GexSb40-xS50Te10 (x = 10, 20 and 27 at.%) and GexSb40-xS55Te5 (x = 20 and 27 at.%) glasses have been synthesized and the compositions have been characterized applying prompt gamma-ray activation analyses, neutron diffraction, and material density measurements. Using the experimental data, the basic physical parameters, such as average atomic volume, packing density, compactness, average coordination number, number of constrains, average heat of atomization and cohesive energy, of the synthesized glasses are evaluated and the results are discussed in a function of glass composition.

Original languageEnglish
Pages (from-to)2485-2490
Number of pages6
JournalJournal of Non-Crystalline Solids
Volume355
Issue number50-51
DOIs
Publication statusPublished - Dec 1 2009

Keywords

  • Amorphous semiconductors
  • Chalcogenides
  • Monte-Carlo simulations
  • Neutron diffraction/scattering

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Condensed Matter Physics
  • Materials Chemistry

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