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Remanent magnetization states and interactions in square arrays of 100-nm cobalt dots measured using transmission electron microscopy

Abstract:

Large area square arrays of circular cobalt dots, nominally 100 nm in diameter and 20 nm in thickness, were patterned using interference lithography. Magnetic remanent states were measured using off-axis electron holography in the transmission electron microscope (TEM). The results show that the dots are mostly single domain, although vortex states and multidomain configurations are occasionally observed. Significant magnetic interactions between adjacent dots result in variations in their ma...

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Publication status:
Published

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Publisher copy:
10.1063/1.2011780

Authors


Bromwich, TJ More by this author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Materials
Petford-Long, AK More by this author
Dunin-Borkowski, RE More by this author
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Journal:
JOURNAL OF APPLIED PHYSICS
Volume:
98
Issue:
5
Pages:
053909-053909
Publication date:
2005-09-01
DOI:
ISSN:
0021-8979
URN:
uuid:ff850cbf-fb5d-440d-ae7d-70c9e510ada5
Source identifiers:
15576
Local pid:
pubs:15576
Language:
English

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