Electrical and magnetic studies of the spinel system Li0.5+t CrxSbt Fe2.5-x-2tO4

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, , Citation Radhapiyari Laishram et al 1999 J. Phys. D: Appl. Phys. 32 2151 DOI 10.1088/0022-3727/32/17/303

0022-3727/32/17/2151

Abstract

The lattice constant, dc resistivity, dielectric constant, saturation magnetization and Curie temperature were studied on a series of Cr-substituted Li-Sb ferrite systems. The dc resistivity increases with increase of the chromium level. A change in slope was observed in the variation of resistivity with temperature and hence two regions of different activation energy. The study of dielectric permittivity with frequency showed dispersion for the whole system. The saturation magnetization and the Curie temperature were found to decrease with increase of the substitution level.

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10.1088/0022-3727/32/17/303