Non-equilibrium phonon gas in a chalcogenide semiconductor with exponential temperature dependence of conductivity

Karim Mynbaev & N.V. Sovtus
The distribution function for a phonon gas in the non-equilibrium case of current crowding in a chalcogenide glassy semiconductor is considered. The approximate internal energy of the gas and its heat capacity is calculated. The change in the heat capacity caused by phase changes, which according to the results of the numerical calculations, are similar to the second-order phase transition, is analyzed. The law of temperature variation with time is calculated for a homogeneous current...
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