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Oscillatory thickness dependence of the coercive field in magnetic three-dimensional antidot arrays

Oscillatory thickness dependence of the coercive field in magnetic three-dimensional antidot arrays
Oscillatory thickness dependence of the coercive field in magnetic three-dimensional antidot arrays
Recent developments in magnetic applications, such as data storage, sensors, and transducers, are stimulating intense research into magnetism on submicrometer-length scales. Emerging self-assembly fabrication techniques have been proposed as viable, low-cost methods to prepare such submicron structures. In this letter we present studies on magnetic nanostructures with 3D architectures, fabricated using a self-assembly template method. We find that the patterning transverse to the film plane, which is a unique feature of this method, governs the magnetic behavior. In particular, the coercive field, a key parameter for magnetic materials, was found to demonstrate an oscillatory dependence on film thickness
0003-6951
1-4
Zhukov, A.A.
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Goncharov, A.V.
c1a847e7-1bfe-4517-bc2a-f70b65df613b
de Groot, P.A.J.
98c21141-cf90-4e5c-8f2b-d2aae8efb84d
Ghanem, M.A.
f256d3b0-8767-4c1b-919d-2c9582102162
Bartlett, P.N.
d99446db-a59d-4f89-96eb-f64b5d8bb075
Boardman, R.
5818d677-5732-4e8a-a342-7164dbb10df1
Fangohr, H.
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Novosad, V.
70d84b07-2532-467a-8b29-ff0c1303b476
Karapetrov, G.
aadd9be9-46ff-470a-a04e-5e3f6391f5e7
Zhukov, A.A.
75d64070-ea67-4984-ae75-4d5798cd3c61
Goncharov, A.V.
c1a847e7-1bfe-4517-bc2a-f70b65df613b
de Groot, P.A.J.
98c21141-cf90-4e5c-8f2b-d2aae8efb84d
Ghanem, M.A.
f256d3b0-8767-4c1b-919d-2c9582102162
Bartlett, P.N.
d99446db-a59d-4f89-96eb-f64b5d8bb075
Boardman, R.
5818d677-5732-4e8a-a342-7164dbb10df1
Fangohr, H.
9b7cfab9-d5dc-45dc-947c-2eba5c81a160
Novosad, V.
70d84b07-2532-467a-8b29-ff0c1303b476
Karapetrov, G.
aadd9be9-46ff-470a-a04e-5e3f6391f5e7

Zhukov, A.A., Goncharov, A.V., de Groot, P.A.J., Ghanem, M.A., Bartlett, P.N., Boardman, R., Fangohr, H., Novosad, V. and Karapetrov, G. (2006) Oscillatory thickness dependence of the coercive field in magnetic three-dimensional antidot arrays. Applied Physics Letters, 88 (6), 1-4. (doi:10.1063/1.2171792).

Record type: Article

Abstract

Recent developments in magnetic applications, such as data storage, sensors, and transducers, are stimulating intense research into magnetism on submicrometer-length scales. Emerging self-assembly fabrication techniques have been proposed as viable, low-cost methods to prepare such submicron structures. In this letter we present studies on magnetic nanostructures with 3D architectures, fabricated using a self-assembly template method. We find that the patterning transverse to the film plane, which is a unique feature of this method, governs the magnetic behavior. In particular, the coercive field, a key parameter for magnetic materials, was found to demonstrate an oscillatory dependence on film thickness

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Published date: 2006
Additional Information: 62511

Identifiers

Local EPrints ID: 37659
URI: https://eprints.soton.ac.uk/id/eprint/37659
ISSN: 0003-6951
PURE UUID: 2701c40a-a2f2-437a-b69b-683c8214af2e
ORCID for P.N. Bartlett: ORCID iD orcid.org/0000-0002-7300-6900

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Date deposited: 25 May 2006
Last modified: 06 Jun 2018 13:10

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Contributors

Author: A.A. Zhukov
Author: A.V. Goncharov
Author: P.A.J. de Groot
Author: M.A. Ghanem
Author: P.N. Bartlett ORCID iD
Author: R. Boardman
Author: H. Fangohr
Author: V. Novosad
Author: G. Karapetrov

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