Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/13828
Title: Variable-range-hopping conductivity in high-k Ba(Fe0.5Nb 0.5)O3 ceramics
Authors: Ke, S
Lin, P
Fan, H
Huang, H 
Zeng, X
Issue Date: 2013
Publisher: American Institute of Physics
Source: Journal of applied physics, 2013, v. 114, no. 10, 104106 How to cite?
Journal: Journal of applied physics 
Abstract: The dielectric and transport properties of Ba(Fe0.5Nb 0.5)O3 ceramics have been investigated in a temperature range of 140-300 K and a frequency range of 1 Hz-10 MHz. The temperature dependence of bulk dc conductivity does not feature an Arrhenius behavior, but indicates a variable-range-hopping mechanism. The observed low temperature relaxation can be perfectly described by a polaronic model, which indicates that the dielectric relaxation is intimately related to the hopping motion caused by localized charge carriers.
URI: http://hdl.handle.net/10397/13828
ISSN: 0021-8979
EISSN: 1089-7550
DOI: 10.1063/1.4821042
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