Guerra, J. D. S.Portugal, R. J.Silva, A. C. [UNESP]Guo, R.Bhalla, A. S.2014-12-032014-12-032014-05-01Physica Status Solidi B-basic Solid State Physics. Weinheim: Wiley-v C H Verlag Gmbh, v. 251, n. 5, p. 1020-1027, 2014.0370-1972http://hdl.handle.net/11449/113649The conductive processes in multiferroic ceramic composites based on PbZr0.65Ti0.35O3 (PZT) and BaFe12O19 (BaM), synthesized by the conventional solid-state reaction method, have been investigated. The DC and AC electrical conductivities have been analyzed in a wide temperature and frequency range and the influence of the BaM content on the electrical properties of the PZT-xBaM composites has been taken into account. It has been observed that the inclusion of the BaM in the PZT ferroelectric matrix promotes conduction mechanisms with magnetic-order characteristics on the ceramics, which were related to doubly ionized oxygen vacancies, superexchange, and double-exchange-type interactions. The obtained results are discussed in the framework of Jonscher's formalism.1020-1027engceramic materialsconduction mechanismselectrical propertiesferroelectricsmultiferroicsArtigo10.1002/pssb.201350336WOS:000335983000015Acesso restrito