ACTA

Influence of the Introduction of Copper into Amorphous As₂Se₃ Matrix on Its Thermal and Structural Characteristics

G. Štrbac^a, S. Lukić-Petrović^a, D. Štrbac^a, K. Čajko^a and I.I. Turyanytsa^b
^aUniversity of Novi Sad, Faculty of Sciences, Department of Physics, Trg Dositeja Obradovića, 421000 Novi Sad, Serbia
^bUzhhorod National University, Faculty of Engineering, 14-a Universytetska Str., Uzhhorod, 88000 Ukraine

Full Text PDF

This paper describes the results of the determination of some thermal and structural parameters of glasses from the Cu_x(As₂Se₃)_100-x system for x=0, 1, 5, 10 and 15 at.%. Based on the differential scanning calorimetry curves taken at different heating rates, glass transition temperature T_g, onset temperature of crystallization T_onset, and melting temperature T_m of crystalline units formed are determined. The values of activation energy E_g of glass transition process are calculated. These characteristic temperatures served as the basis for the calculation of the parameters of thermal stability of the glasses towards crystallization.

DOI: 10.12693/APhysPolA.123.256
PACS numbers: 64.70.kj, 64.70.P-, 65.60.+a