Journal of Materials Science

, Volume 26, Issue 18, pp 4869–4877 | Cite as

Trends in the microhardness of monocomponent and multicomponent chalcogenide glasses

  • M. F. Kotkata


The results of Vickers microhardness (MHv) measurements on several series of chalcogenide semiconductor glasses are presented. The glasses were prepared under vacuum by the melt quenching technique. Trends of the hardness are explained in terms of the natural and compositional changes of the glasses as well as their glass formation tendency. The compositional variation of MHv at room temperature is characterized by being even for the binary system, Se-As; quasi-binary (ternary) systems, As2Se3-As2Te3 and AsSe-AsTe; and the ternary system, Ge-Se-Si; and by being uneven at certain specific concentrations for the binary isoelectronic system, Se-S (< 5 at%S); quasi-binary system, As2Se5-As2Te5 (40 mol% As2Te5); ternary system As-Se-TI (20 at%TI); and quaternary system, As-S-Se-Te (Te∶Se=1). In addition, it is found possible to prepare samples of glassy selenium having certain predicted mechanical properties by controlling the temperature before quenching (Ts).


Selenium Binary System Ternary System Compositional Variation Specific Concentration 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Chapman & Hall 1991

Authors and Affiliations

  • M. F. Kotkata
    • 1
  1. 1.Physics Department Faculty of ScienceAin Shams UniversityCairoEgypt

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