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Type: Artigo de periódico
Title: Colossal Intrinsic Magnetoelectric Effect In Pb(fe 2/3w 1/3) 0.83ti 0.17o 3
Author: Fraygola B.
Coelho A.A.
Garcia D.
Eiras J.A.
Abstract: Dielectric and magnetic properties were investigated in Pb(Fe 2/3W 1/3) 0.83Ti 0.17O 3 ceramics. The dielectric constant in these samples exhibits colossal changes at the magnetic ordering temperature under the presence of bias external electric fields, which presents a close connection with magnetoelectrics effects (ME), confirming the possibility to control magnetic proprieties with electric fields. The ferroelectromagnetoelastic coefficient was determined from the dielectric response as a function of the electric field. The analysis of magnetic and dielectric susceptibilities based on the Landau-Devonshire thermodynamic formalisms indicates that the ME effects is a contribution of intrinsic ME coupling and a field dependent term. © 2012 American Institute of Physics.
Rights: aberto
Identifier DOI: 10.1063/1.4748819
Date Issue: 2012
Appears in Collections:Unicamp - Artigos e Outros Documentos

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