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|Type:||Artigo de periódico|
|Title:||Co Doping Effects On The Magnetic And Magnetoresistance In Sm 0.35nd0.35pb0.30mn1-xco Xo3 (x = 0, 0.1, 0.2)|
|Abstract:||Polycrystalline samples of the Sm0.35Nd0.35Pb 0.3Mn1-xCoxO3 (x = 0, 0.1, 0.2) at low magnetic fields has been studied by AC susceptibility, and field cooled and zero field cooled magnetisation measurements. We conclude that a small amount of Co substitution tends to destroy the double exchange and broadens the coexistence region of the cluster-glass and ferromagnetic states. Also, the Co doping suppresses the large negative magnetoresistance and it becomes small for x = 0.2. © 2001 Published by Elsevier Science B.V.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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