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Electrical properties of cobalt‐zinc ferrites

Kale, GM and Asokan, T (1993) Electrical properties of cobalt‐zinc ferrites. In: Applied Physics Letters, 62 (19). pp. 2324-2325.

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The electrical properties of Co1−xZnxFe2O4 (x=0–1) spinel ferrites were investigated by impedance spectroscopy. The grain‐boundary resistance was found to increase as a function of composition up to x=0.6, and decreases beyond x=0.6. The variation in the bulk resistance and the activation energy as a function of composition is found to exhibit a similar trend whereas the grain resistance appears to be an independent parameter. The observed results suggest that the bulk properties of solid solution spinel ferrites are primarily controlled by the grain‐boundary phase.

Item Type: Journal Article
Publication: Applied Physics Letters
Publisher: American Institute of Physics
Additional Information: Copyright of this article belongs to American Institute of Physics.
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 08 Feb 2011 05:16
Last Modified: 08 Feb 2011 05:16
URI: http://eprints.iisc.ac.in/id/eprint/35443

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