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Research Article Open Access
A new compound of Lithium hexaferrites with general chemical formula Li0.5Fe0.5+xAl12-2xCoxO19 where x = 2, 3, 4, 5 and 6, were synthesized by standard ceramic technique using stoichiometric proportion. The lattice parameters of the multicrystalline materials have been determined and characterized by X-ray diffraction technique (XRD). From XRD data shows the formation of samples of a single phase hexagonal M-type ferrites with a space group P63/mmc (194). The electrical conduction was carried out over the temperature range from 270C- 8000 C. The electrical conduction in the ferrites was explained on the basis of Vervway models. A Seebeck study reveals that all samples are N-type semiconductors.
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Author(s): Suresh S Darokar
Magnetoplumbite, Hexaferrites, electrical conductivity, Seebeck coefficient etc., electrical conductivity