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Type: Artigo de periódico
Title: Magnetic Phase Diagram Of U(ga1-xcux)2
Author: Gandra F.G.
Rojas D.P.
Shlyk L.
Cardoso L.P.
Medina A.N.
Abstract: Magnetization results for the polycrystalline pseudobinary compounds U(Ga1-xCux)2 for x ≤ 0.28 are reported. The lattice parameters and unit cell volume remain essentially constant for x ≤ 0.15 where the ferromagnetic phase can be found. As the Cu content increases up to 28%, the lattice parameter a increases while the parameter c decreases and the unit cell volume is reduced. The magnetization for all concentrations depends on the sample history (ZFC and FC). The ferromagnetic transition shifts from 125 K for UGa2 to about 50 K for x = 0.15. At 20% there is indication of coexistence of spin-glass and ferromagnetic phases and at 28% only the spin-glass phase is observed. © 2001 Elsevier Science B.V. All rights reserved.
Citation: Journal Of Magnetism And Magnetic Materials. , v. 226-230, n. PART II, p. 1312 - 1314, 2001.
Rights: fechado
Date Issue: 2001
Appears in Collections:Unicamp - Artigos e Outros Documentos

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