| Observations of a magnetic microstructure in a Co-CoO obliquely evaporated tape using electron holography. | |
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MedLine Citation:
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PMID: 19153102 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
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The magnetic microstructure in a Co-CoO obliquely evaporated tape that was subjected to a recording bit length of 250 nm was studied using electron holography. The reconstructed phase image demonstrated a periodic pattern of magnetic flux loops that were inclined to the film normal due to a well-developed columnar structure. When a magnetic field was applied to the tape for observing the remanent state by holography, the periodic pattern of the flux loops gradually disappeared. Interestingly, on applying a large magnetic field, the contour lines in the reconstructed phase image became approximately parallel to the longitudinal axis of the sliced tape, i.e. the contour lines were made to virtually deviate from the easy magnetization axis. The observations were supported by a computer simulation in which the effect of the stray magnetic field was considered. |
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Authors:
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Kiwamu Tohara; Weixing Xia; Yasukazu Murakami; Daisuke Shindo; Takuya Ito; Yoh Iwasaki; Junichi Tachibana |
Publication Detail:
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Type: Journal Article Date: 2009-01-19 |
Journal Detail:
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Title: Journal of electron microscopy Volume: 58 ISSN: 1477-9986 ISO Abbreviation: J Electron Microsc (Tokyo) Publication Date: 2009 Jan |
Date Detail:
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Created Date: 2009-01-21 Completed Date: 2009-02-23 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7611157 Medline TA: J Electron Microsc (Tokyo) Country: Japan |
Other Details:
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Languages: eng Pagination: 7-13 Citation Subset: - |
Affiliation:
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Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai 980-8577, Japan. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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