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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|
de Menezes A.S.
de Oliveira R.S.
|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.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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