Abstract

0.72TeO2–0.24WO3–0.04La2O3 glass and melt were studied by differential scanning calorimetry (DSC) method. Heat capacity and transition temperature of the glass were precisely found. The improved comparative technique for DSC-measurement of thermal conductivity coefficient of vitreous state of the sample has been developed. A model-statistical approach was used for processing the experimental data to calculate parameters of elementary excitations, that allowed to find out a complete set of thermal properties along with density and coefficient of thermal expansion.

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