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Type: Artigo de periódico
Title: Intermediate Valence Effects In The Magnetic Behaviour Of Ce (rhxpt1-x)2 Laves Phase Compounds
Author: Barberis G.E.
Roden B.
Weidner P.
Gupta L.C.
Davidov D.
Felner I.
Abstract: The complete series of solid solutions Ce (RhxPt1-x)2 (0 ≤ × ≤ 1) present a single cubic phase C15. The magnetic susceptibility and lattice parameters were measured, showing a big change in the temperature dependence of the susceptibility, which is explained as a change in the valence of the Ce ions, from 3+ (CePt2) to 3.5+ (CeRh2). This is supported by the lattice parameter study, which shows a non-linear relationship of the lattice parameter with the concentration x. We compare our results with previous works, and we also found a T2 dependence for the susceptibility in the low temperature region for the compounds presenting intermediate valence. This can be explained in the light of the Fermi liquid theory. © 1982.
Rights: fechado
Identifier DOI: 10.1016/0038-1098(82)90812-2
Date Issue: 1982
Appears in Collections:Unicamp - Artigos e Outros Documentos

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