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Type: Artigo de periódico
Title: Effect of the chemical substitution on the magnetic properties of UGe2
Author: Rojas, DP
Medina, AN
da Silva, LM
Gandra, FG
Abstract: Magnetic results for the U(Ge1-ySny)(2) and (Y1-xUx)Ge-2 series of compounds are reported. The magnetization for U(Ge1-ySny)(2) shows a ferromagnetic (FM) state for y <= 0.6 but above this concentration the compounds order antiferromagnetically. For (Y1-xUx)Ge-2, starting from the U side, the system is FM and below x = 0.8 it exhibits a complex behavior: for x > 0.4 a reentrant spin-glass phase is observed; for x = 0.2 and x = 0.3 we found a non-Fermi-liquid behavior and at x 0 it is a superconductor. A magnetic phase diagram is presented for both series. (C) 2003 Elsevier B.V. All rights reserved.
Subject: UGe2
non-fermi liquid
reentrant spin-glass
Country: Holanda
Editor: Elsevier Science Bv
Citation: Journal Of Magnetism And Magnetic Materials. Elsevier Science Bv, v. 272, n. E11, n. E12, 2004.
Rights: fechado
Identifier DOI: 10.1016/j.jmmm.2003.11.112
Date Issue: 2004
Appears in Collections:Unicamp - Artigos e Outros Documentos

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