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Remanence plots technique extended to exchange bias systems

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Remanence plots technique extended to exchange bias systems

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Título Remanence plots technique extended to exchange bias systems
Autor Oliveira, Artur Harres de
Cichelero, Rafael
Pereira, Luis Gustavo
Schmidt, Joao Edgar
Geshev, Julian Penkov
Abstract Efforts have been recently made to use remanence plots in exchange-bias studies. However, since the two remnant magnetizations of a biased loop may differ, this technique cannot be applied in its classical form. This work extends it to systems with shifted loops and shows that the number of distinct plots is significantly increased. The approach was probed on Co/IrMn exchange bias films. Possible discrepancies between experiment and theory are pointed out and discussed. The adaptation of the model presented here enables it to become one of the few accessible techniques for rapid and accurate evaluation of magnetic interactions in biased systems.
Contido em Journal of applied physics. New York. Vol. 114, no. 4 (July 2013), 043902, 5 p.
Assunto Cobalto
Interacoes magneticas
Ligas de ir
Ligas de manganes
Multicamadas magnéticas
Remanência
Origem Estrangeiro
Tipo Artigo de periódico
URI http://hdl.handle.net/10183/96566
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