Domain-size-dependent exchange bias in Co/LaFeO3

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X-ray microscopy using magnetic linear dichroism of a zero-field-grown, multi-domain Co/LaFeO{sub 3} ferromagnet/antiferromagnet sample shows a local exchange bias of random direction and magnitude. A statistical analysis of the local bias of individual, micron-size magnetic domains demonstrates an increasing bias field with decreasing domain size as expected for a random distribution of pinned, uncompensated spins, which are believed to mediate the interface coupling. A linear dependence with the inverse domain diameter is found.

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Scholl, A.; Nolting, F.; Seo, J.W.; Ohldag, H.; Stohr, J.; Raoux,S. et al. September 22, 2004.

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X-ray microscopy using magnetic linear dichroism of a zero-field-grown, multi-domain Co/LaFeO{sub 3} ferromagnet/antiferromagnet sample shows a local exchange bias of random direction and magnitude. A statistical analysis of the local bias of individual, micron-size magnetic domains demonstrates an increasing bias field with decreasing domain size as expected for a random distribution of pinned, uncompensated spins, which are believed to mediate the interface coupling. A linear dependence with the inverse domain diameter is found.

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  • Journal Name: Applied Physics Letters; Journal Volume: 85; Journal Issue: 18; Related Information: Journal Publication Date: 11/01/2004

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  • Report No.: LBNL--55164
  • Grant Number: DE-AC02-05CH11231
  • DOI: 10.1063/1.1813633 | External Link
  • Office of Scientific & Technical Information Report Number: 860467
  • Archival Resource Key: ark:/67531/metadc782737

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  • September 22, 2004

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  • Dec. 3, 2015, 9:30 a.m.

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  • Dec. 16, 2016, 1:03 p.m.

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Scholl, A.; Nolting, F.; Seo, J.W.; Ohldag, H.; Stohr, J.; Raoux,S. et al. Domain-size-dependent exchange bias in Co/LaFeO3, article, September 22, 2004; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc782737/: accessed June 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.