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Type: Artigo de periódico
Title: Correlation between magnetic interactions and giant magnetoresistance in melt-spun Co10Cu90 granular alloys
Author: Viegas, ADC
Geshev, J
Dorneles, LS
Schmidt, JE
Knobel, M
Abstract: The effects of annealing on the structural, magnetic, and magnetotransport properties of melt-spun Co10Cu90 granular alloys were investigated. The interaction effects were studied from both remanent magnetization and magnetotransport data, using two different methods to reach the demagnetized state, ac and dc demagnetization. The analysis of the structural evolution and interaction strength between the magnetic clusters clearly shows the role of some structural parameters (particle size and density, interparticle distance) and the degree of magnetic correlation in the magnetic field response of the resistance in these inhomogeneous systems. (C) 1997 American Institute of Physics.
Editor: Amer Inst Physics
Citation: Journal Of Applied Physics. Amer Inst Physics, v. 82, n. 6, n. 3047, n. 3053, 1997.
Rights: aberto
Identifier DOI: 10.1063/1.366164
Date Issue: 1997
Appears in Collections:Unicamp - Artigos e Outros Documentos

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