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Magnetic correlations in nanostructured ferromagnets
Journal article

Magnetic correlations in nanostructured ferromagnets

  • Loffler JF Paul Scherrer Institut, CH-5232 Villigen PSI, Switzerland and W. M. Keck Laboratory, California Institute of Technology, Pasadena, California 91125, USA.
  • Braun HB
  • Wagner W
  • 2000-09-06
Published in:
  • Physical review letters. - 2000
English Small-angle neutron scattering experiments on nanostructured Fe, Co, and Ni reveal grain-size dependent magnetic correlations across grain boundaries. In Fe, a minimum of the correlation length is observed for grain sizes of the order of the bulk domain-wall width where the coercive field has a maximum. The results are explained within a generalization of the random-anisotropy model that takes into account domain-wall formation within grains and reduced interface coupling.
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  • English
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closed
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https://sonar.ch/global/documents/278377
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