Effect of Bi on the annealing kinetics of amorphous As2Se3

  • M. K. El-Mously
  • M. F. Kotkata
  • S. A. Mazen


The characteristic properties of As2Se3: densityd, activation energy for conductionE σ and dc conductivity σ with the addition of 1.96–2.72 at % Bi has been determined for the amorphous state and for the crystalline state. The effect of Bi impurity on the thermally induced phase transformation of As2Se3 has been followed by measuring these quantities for all intermediate stages during the annealing at three isotherms higher thanT g. The calculated energy of activation for crystallization declears the addition effect of Bi in stimulating the devitrification of the native phase As2Se3.


Isothermal Annealing Amorphous Semiconductor Induce Phase Transformation Annealing Kinetic Continuous Narrowing 
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Copyright information

© with the authors 1978

Authors and Affiliations

  • M. K. El-Mously
    • 1
  • M. F. Kotkata
    • 1
  • S. A. Mazen
    • 1
  1. 1.Physics Department, Faculty of ScienceAin-Shams UniversityCairoEgypt

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