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Type: Artigo de periódico
Title: Evidence Of Mixed Valence In (eu1 - X Ybx) Ga4 Single Crystals
Author: Loula G.D.
da Silva L.M.
dos Santos A.O.
Medina A.N.
Gandra F.G.
Abstract: In this paper we report on the magnetization and specific heat results on single crystals of the series (Eu,Yb)Ga4 aiming to study a possible valence change on both RE ions. The results show a decrease on TN and unit cell volume due to the chemical pressure. The enhancement of the effective moment suggests the presence of Yb3 + while the constancy of the saturation magnetization points to a fixed 2 + valence for Eu. © 2007 Elsevier B.V. All rights reserved.
Rights: fechado
Identifier DOI: 10.1016/j.physb.2007.10.285
Date Issue: 2008
Appears in Collections:Unicamp - Artigos e Outros Documentos

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