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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)
Author: Moreno N.O.
Campoy J.C.P.
Blanco J.J.
Insausti M.
Rojo T.
Barberis G.E.
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.
Rights: fechado
Identifier DOI: 
Date Issue: 2001
Appears in Collections:Unicamp - Artigos e Outros Documentos

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