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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.|
|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.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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