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Type: Artigo de evento
Title: Influence Of Hydrogen On The Magnetic Behaviour Of Gd5ge 2si2hx, 0.1≤x≤2.5
Author: Alves C.S.
Colucci C.C.
Gama S.
Carvalho A.M.C.
Coelho A.A.
Abstract: The influence of hydrogen absorption on Tc and Ms, of the Gd5Ge2Si2Hx alloys, with 0.1 ≤x≤2.5 was studied by thermomagnetic analysis from 2 to 370 K. The M(T) curves show the first order magnetic transition at 260 K only for the sample with x = 0.1. All the samples presented the second-order magnetic transition between 296 (x = 0.1) and 212 K (x = 2.5). For the sample with x≥1.2 is also observed a new antiferromagnetic transition at ≈45 K. The M(H) curves revealed that the Ms tends to increase with the hydrogen amount into the alloy. © 2004 Published by Elsevier B.V.
Rights: fechado
Identifier DOI: 10.1016/j.jmmm.2004.01.054
Date Issue: 2004
Appears in Collections:Unicamp - Artigos e Outros Documentos

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