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Type: Artigo de periódico
Title: Cu Induced Coercivity Enhancement In The Low Viscosity Gdco 5-xcux System
Author: De Oliveira L.A.S.
Sinnecker J.P.
Grossinger R.
Penton-Madrigal A.
Estevez-Rams E.
Abstract: We investigate the influence of Cu substitution, on the coercivity and magnetic viscosity, in the ternary system GdCo5-xCux (x=0, 0.5, 1, 1.5, 2 and 2.5) with different field sweep rates. All samples have been studied in the as cast state and crystallize in a single phase CaCu5 structure. With Cu addition, the coercivity was 10 times enhanced for x =1.5. The behavior of the coercivity Hc against field sweep rate, dH/dt, shows that the GdCo5-xCux system exhibits only a small magnetic viscosity effect, a desirable property for magnetic dynamic applications under high magnetic field. © 2011 Elsevier B.V.
Rights: fechado
Identifier DOI: 10.1016/j.jmmm.2011.02.033
Date Issue: 2011
Appears in Collections:Unicamp - Artigos e Outros Documentos

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