| Switching a magnetic vortex by interlayer coupling in epitaxially grown Co/Cu/Py/Cu(001) trilayer disks. | |
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MedLine Citation:
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PMID: 21403243 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Epitaxial Py/Cu/Co/Cu(001) trilayers were patterned into micron sized disks and imaged using element-specific photoemission electron microscopy. By varying the Cu spacer layer thickness, we study how the coupling between the two magnetic layers influences the formation of magnetic vortex states. We find that while the Py and Co disks form magnetic vortex domains when the interlayer coupling is ferromagnetic, the magnetic vortex domains of the Py and Co disks break into anti-parallel aligned multidomains when the interlayer coupling is antiferromagnetic. We explain this result in terms of magnetic flux closure between the Py and Co layers for the antiferromagnetic coupling case. |
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Authors:
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J Wu; D Carlton; E Oelker; J S Park; E Jin; E Arenholz; A Scholl; Chanyong Hwang; J Bokor; Z Q Qiu |
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Publication Detail:
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Type: Journal Article Date: 2010-08-03 |
Journal Detail:
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Title: Journal of physics. Condensed matter : an Institute of Physics journal Volume: 22 ISSN: 0953-8984 ISO Abbreviation: J Phys Condens Matter Publication Date: 2010 Sep |
Date Detail:
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Created Date: 2011-03-15 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101165248 Medline TA: J Phys Condens Matter Country: England |
Other Details:
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Languages: eng Pagination: 342001 Citation Subset: IM |
Affiliation:
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Department of Physics, University of California at Berkeley, Berkeley, CA 94720, USA. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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