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Type: Artigo de periódico
Title: Probing the interdependence between irreversible magnetization reversal processes by first-order reversal curves
Author: Beron, F
Pirota, KR
Knobel, M
Abstract: A procedure to probe the interdependence between irreversible magnetic processes is presented. It consists of measuring the first-order reversal curves (FORCs) without saturating the system. Depending on the variation of the reversal fields during the curves' acquirement (increasing or decreasing), it fixes the hardest or softest hysterons into their negative saturation level throughout the measurement. Differences between these FORC diagrams and the classical one, as well as variation of the end magnetization as a function of the reversal field, indicate and characterize the requirement that some irreversible processes arise from others. The procedure is described to investigate magnetic systems, but can be directly used to study any hysteretic system. (C) 2011 American Institute of Physics. [doi:10.1063/1.3538940]
Country: EUA
Editor: Amer Inst Physics
Citation: Journal Of Applied Physics. Amer Inst Physics, v. 109, n. 7, 2011.
Rights: aberto
Identifier DOI: 10.1063/1.3538940
Date Issue: 2011
Appears in Collections:Unicamp - Artigos e Outros Documentos

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