Affiliation:
1. 1Department of Physics, University of Gorakhpur, Gorakhpur 273009, India
Abstract
Electrical transport properties of polycrystalline chromium vanadate (CrVO4) have been studied by measuring its a. c. and d.c. electrical conductivities, thermoelectric power and dielectric constant in the temperature range 300-1000 K. CrVO4 is a p-type semiconductor with an energy gap of 3.6 eV. The compound exhibits extrinsic nature up to 750 K and after that its intrinsic nature arises. The activation energy and charge carrier mobility in the temperature ranges 300-750 K and 750- 1000 K show that the conduction in the extrinsic region is due to a small polaron hopping mechanism and in the intrinsic region it is of the normal band type.
Subject
Physical and Theoretical Chemistry,General Physics and Astronomy,Mathematical Physics
Cited by
10 articles.
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