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Changes of sulphide glasses caused by the presence of As

J. KALUŽNÝ1,* , J. PEDLÍKOVÁ2, J. ZAVADIL3, V. LABAŠ1

Affiliation

  1. Institute of Materials, Faculty of Materials Science and Technology in Trnava, Slovak University of Technology in Bratislava, Paulinska 16, 917 24 Trnava, Slovakia
  2. Laboratory of Inorganic Materials, Institute of Inorganic Chemistry, 250 68 Praha -Řež, Czech Republic
  3. Institute of Radio Engineering and Electronics, Academy of Sciences of the Czech Republic, Chaberska 57, 182 51, Praha 8, Czech Republic

Abstract

The contribution presented summarizes knowledge about the influence of As added to sulphide glasses on the measured values of electrical and dielectrical properties. To decrease the tendency to crystallize and to separate phases of Ge – Ga – S glasses, as well, the part of Ga is substituted by As. The original net “ordering” is significantly changed already by the addition a little amount of As (5 mol %) because there is formed partial glass netting by creating covalent bonds among the molecular strings. The mentioned effects are marked at the measurements of electrical and dielectrical parameters..

Keywords

Sulphide glasses, Electrical conductivity, Complex electrical modulus, Arsenic.

Submitted at: July 3, 2007
Accepted at: Oct. 15, 2007

Citation

J. KALUŽNÝ, J. PEDLÍKOVÁ, J. ZAVADIL, V. LABAŠ, Changes of sulphide glasses caused by the presence of As, Journal of Optoelectronics and Advanced Materials Vol. 9, Iss. 10, pp. 3076-3078 (2007)