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Enhanced coercivity of exchange-biased Fe/MnPd bilayers

  • We present detailed studies of the enhanced coercivity of exchange-bias bilayer Fe/MnPd, both experimentally and theoretically. We have demonstrated that the existence of large higher-order anisotropies due to exchange coupling between different Fe and MnPd layers can account for the large increase of coercivity in Fe/MnPd system. The linear dependence of coercivity on inverse Fe thickness are well explained by a phenomenological model by introducing higher-order anisotropy terms into the total free energy of the system.

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Author:Y. J. Tang, B. Roos, T. Mewes, Sergey O. Demokritov, Burkard Hillebrands, Y. J. Wang
URN (permanent link):urn:nbn:de:hbz:386-kluedo-8885
Document Type:Preprint
Language of publication:English
Year of Completion:1999
Year of Publication:1999
Publishing Institute:Technische Universität Kaiserslautern
Date of the Publication (Server):1999/08/25
Tag:enhanced coercivity; exchange coupling; exchange-bias bilayer Fe/MnPd; higher-order anisotropies
Faculties / Organisational entities:Fachbereich Physik
DDC-Cassification:5 Naturwissenschaften und Mathematik / 530 Physik
Licence (German):Standard gemäß KLUEDO-Leitlinien vor dem 27.05.2011