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Type: Artigo de periódico
Title: Microstructure and magneto-dielectric properties of ferrimagnetic composite GdIG(X):YIG(1-X) at radio and microwave frequencies
Author: Fechine, PBA
Pereira, FMM
Santos, MRP
Filho, FP
de Menezes, AS
de Oliveira, RS
Goes, JC
Cardoso, LP
Sombra, ASB
Abstract: The gadolinium iron garnet (GdIG, Gd3Fe5O12) and yttrium iron garnet (YIG, Y3Fe5O12), and their GdIG(X):YIG(1-X) composites, were obtained by a new solid-state procedure. The microstructure of the samples was studied by X-ray powder diffraction and Rietveld refinement, Vickers microhardness and scanning electron microscopy. The density and microhardness behavior were studied as a function of the lattice parameters for the composite samples. In the present work, the magnetic and dielectric properties of the GdlG(X):YIG(1-X) composite at radio and microwave frequencies were also studied. The magnetic permeability and dielectric permittivity and loss properties for the composite GdIG(X):YIG(1-X) showed good potential for use in components, when one is looking for moderate epsilon(r)' and mu(r)' materials with low loss in the radio-frequency and microwave range. (C) 2009 Elsevier Ltd. All rights reserved.
Subject: Magnetic properties
Dielectric properties
Country: Inglaterra
Editor: Pergamon-elsevier Science Ltd
Rights: fechado
Identifier DOI: 10.1016/j.jpcs.2009.03.009
Date Issue: 2009
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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