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Type: Artigo de periódico
Title: Microstructure And Magneto-dielectric Properties Of Ferrimagnetic Composite Gdigx:yig1-x At Radio And Microwave Frequencies
Author: Fechine P.B.A.
Pereira F.M.M.
Santos M.R.P.
Filho F.P.
de Menezes A.S.
de Oliveira R.S.
Goes J.C.
Cardoso L.P.
Sombra A.S.B.
Abstract: The gadolinium iron garnet (GdIG, Gd3Fe5O12) and yttrium iron garnet (YIG, Y3Fe5O12), and their GdIGX:YIG1-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 GdIGX:YIG1-X composite at radio and microwave frequencies were also studied. The magnetic permeability and dielectric permittivity and loss properties for the composite GdIGX:YIG1-X showed good potential for use in components, when one is looking for moderate εr′ and μr′ materials with low loss in the radio-frequency and microwave range. © 2009 Elsevier Ltd. All rights reserved.
Citation: Journal Of Physics And Chemistry Of Solids. , v. 70, n. 5, p. 804 - 810, 2009.
Rights: fechado
Identifier DOI: 10.1016/j.jpcs.2009.03.009
Date Issue: 2009
Appears in Collections:Unicamp - Artigos e Outros Documentos

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