Exchange bias for a ferromagnetic film coupled to a spin glass

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2009
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Usadel, Klaus-Dieter
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Physical Review B. 2009, 80, 14418. Available under: doi: 10.1103/PhysRevB.80.014418
Zusammenfassung

For a model system consisting of a ferromagnetic layer exchange coupled to a spin glass, extensive Monte Carlo simulations are performed. For the spin glass the standard short-range Gaussian model is used. Exchange bias is observed as a result of a frozen spin-glass state. The exchange bias fields are calculated for different temperatures, cooling fields, and thicknesses of the spin-glass layer and the training effect is investigated. A major result of our simulations is that the bias field decreases with increasing strength of the cooling field in qualitative agreement with recent experiments.

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530 Physik
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cooling, exchange interactions (electron), ferromagnetic materials, magnetic thin films, Monte Carlo methods, spin glass
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ISO 690USADEL, Klaus-Dieter, Ulrich NOWAK, 2009. Exchange bias for a ferromagnetic film coupled to a spin glass. In: Physical Review B. 2009, 80, 14418. Available under: doi: 10.1103/PhysRevB.80.014418
BibTex
@article{Usadel2009Excha-8871,
  year={2009},
  doi={10.1103/PhysRevB.80.014418},
  title={Exchange bias for a ferromagnetic film coupled to a spin glass},
  volume={80},
  journal={Physical Review B},
  author={Usadel, Klaus-Dieter and Nowak, Ulrich},
  note={Article Number: 14418}
}
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