Abstract

The ternary chalcogenide based pristine AgBiSe2 semiconductor single crystal was studied for the temperature dependence dielectric measurement. The anomalous behaviour of dielectric constant and dielectric loss at higher frequency were discussed in detail. The activation energy due to the dc conductivity as well as hopping frequency were extracted from the Arrhenius equation. Moreover, the charge transport of Ag+ ions as well as the flip-flop between the pairs of Bi4+ and Bi3+ ions is responsible for various electrical properties in this crystal.

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