Publikation: Simulations of the Domain State Model
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2011
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MRS Proceedings. 2011, 746. eISSN 1946-4274. Available under: doi: 10.1557/PROC-746-Q7.4
Zusammenfassung
The domain state model for exchange bias consists of a ferromagnetic layer exchange coupled to an antiferromagnetic layer. In order to model a certain degree of disorder within the bulk of the antiferromagnet, the latter is diluted throughout its volume. Extensive Monte Carlo simulations of the model were performed in the past. Exchange bias is observed as a result of a domain state in the antiferromagnetic layer which develops during the initial field cooling, carrying a remanent domains state magnetization which is partly irreversible during hysteresis. A variety of typical effects associated with exchange bias like, e. g., its dependence on dilution, positive bias, temperature and time dependences as well as the dependence on the thickness of the antiferromagnetic layer can be explained within this model.
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NOWAK, Ulrich, Arkajyoti MISRA, Klaus-Dieter USADEL, 2011. Simulations of the Domain State Model. In: MRS Proceedings. 2011, 746. eISSN 1946-4274. Available under: doi: 10.1557/PROC-746-Q7.4BibTex
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title={Simulations of the Domain State Model},
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journal={MRS Proceedings},
author={Nowak, Ulrich and Misra, Arkajyoti and Usadel, Klaus-Dieter}
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<dcterms:abstract xml:lang="eng">The domain state model for exchange bias consists of a ferromagnetic layer exchange coupled to an antiferromagnetic layer. In order to model a certain degree of disorder within the bulk of the antiferromagnet, the latter is diluted throughout its volume. Extensive Monte Carlo simulations of the model were performed in the past. Exchange bias is observed as a result of a domain state in the antiferromagnetic layer which develops during the initial field cooling, carrying a remanent domains state magnetization which is partly irreversible during hysteresis. A variety of typical effects associated with exchange bias like, e. g., its dependence on dilution, positive bias, temperature and time dependences as well as the dependence on the thickness of the antiferromagnetic layer can be explained within this model.</dcterms:abstract>
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