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Type: Artigo de evento
Title: Investigation Of Spin-glass Behavior In The Lnru-1222 (ln=gd, Dy, Ho, Y) System
Author: Cardoso C.A.
Araujo-Moreira F.M.
Awana V.P.S.
Takayama-Muromachi E.
De Lima O.F.
Yamauchi H.
Karppinen M.
Abstract: The dynamics of the magnetic properties of polycrystalline RuSr 2Ln1.5Ce0.5Cu2O10 (LnRu-1222, Ln=Gd, Y, Ho, Nd) have been studied by ac susceptibility. A frequency-dependent cusp was observed in χac vs. T measurements, which is interpreted as a spin-glass transition. These results are contrasted with the regular antiferromagnetic transition observed for YRu-1212. © 2004 Elsevier B.V. All rights reserved.
Rights: fechado
Identifier DOI: 10.1016/j.physc.2004.02.159
Date Issue: 2004
Appears in Collections:Unicamp - Artigos e Outros Documentos

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