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Thermoelectric Power Studies Cu-Cd Ferrites

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Author(s): Ch. Abraham Lincoln | D. Ravinder | K. Rama Krishna | K. Vijaya Kumar

Journal: Advances in Molecular Imaging
ISSN 2161-6728

Volume: 02;
Issue: 01;
Start page: 24;
Date: 2012;
Original page

Keywords: Cu-Cd Ferrites | Seebeck Coefficient | Hopping Mechanism | Curie Temperature

ABSTRACT
Thermoelectric Power Studies of Cadmium Substituted Copper Ferrites of various compositions were investigated from room temperature to well beyond the curie temperature by differential method. The Seebeck coefficient is negative for all compositions showing that these ferrites behave as n-type semi conductors. Plots of Seebeck coefficient verses tem- perature shows maximum at Curie temperature. On the basis of these results an explanation for the conduction mechanism in Cu-Cd mixed ferrites is suggested.
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