Abstract
Glass samples have been prepared in the NaPO 3–KHSO 4 binary system with the classical melting, casting and annealing steps. Electrical and dielectrical properties of glass samples were studied. Measurements of DC and AC conductivity and complex electrical permittivity of xNaPO 3–(100 − x)KHSO 4 glass system were carried out at temperatures ranging from room temperature to temperature located 15 °C below glass transition temperature T g. Results showed that changes of NaPO 3 concentration considerably affect values of observed parameters. DC conductivity of glass increases as NaPO 3 concentration grows until concentration x = 60. However, beyond this value a sharp decrease of DC conductivity was observed. In addition relaxation times showed abrupt changes at concentration x = 60, corresponding to the lowest relaxation times at the temperature 90 °C.
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