| Magnetic films on nanoperforated templates: a route towards percolated perpendicular media. | |
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MedLine Citation:
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PMID: 21071819 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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We present a study on the magnetization reversal in Co/Pt multilayer films with an out-of-plane easy axis of magnetization deposited onto substrates with densely distributed perforations with an average period as small as 34 nm. Deposition of magnetic Co/Pt multilayers onto the nanoperforated surface results in an array of magnetic nanodots surrounded by a continuous magnetic film. Following the evolution of the magnetic domain pattern in the system, we suggest that domain walls are pinned on structural inhomogeneities given by the underlying nanoperforated template. Furthermore, a series of micromagnetic simulations was performed in order to understand the modification of the pinning strength of domain walls due to the magnetic interaction between nanodots and the surrounding film. The results of the simulations show that magnetic exchange coupling between the nanodots and the surrounding film strongly influences the pinning behavior of the magnetic domain walls which can be optimized to provide maximal pinning. |
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Authors:
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C Schulze; M Faustini; J Lee; H Schletter; M U Lutz; P Krone; M Gass; K Sader; A L Bleloch; M Hietschold; M Fuger; D Suess; J Fidler; U Wolff; V Neu; D Grosso; D Makarov; M Albrecht |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2010-11-11 |
Journal Detail:
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Title: Nanotechnology Volume: 21 ISSN: 1361-6528 ISO Abbreviation: Nanotechnology Publication Date: 2010 Dec |
Date Detail:
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Created Date: 2010-11-22 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101241272 Medline TA: Nanotechnology Country: England |
Other Details:
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Languages: eng Pagination: 495701 Citation Subset: IM |
Affiliation:
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Institute of Physics, Chemnitz University of Technology, Chemnitz, Germany. carsten.schulze@physik.tu-chemnitz.de |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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