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Orientation and symmetry control of inverse sphere magnetic nanoarrays by guided self-assembly

Orientation and symmetry control of inverse sphere magnetic nanoarrays by guided self-assembly
Orientation and symmetry control of inverse sphere magnetic nanoarrays by guided self-assembly
Inverse sphere shaped Ni arrays were fabricated by electrodeposition on Si through the guided self-assembly of polystyrene latex spheres in Si/SiO2 patterns. It is shown that the size commensurability of the etched tracks is critical for the long range ordering of the spheres. Moreover, noncommensurate guiding results in the reproducible periodic triangular distortion of the close packed self-assembly. Magnetoresistance measurements on the Ni arrays were performed showing room temperature anisotropic magnetoresistance of 0.85%. These results are promising for self-assembled patterned storage media and magnetoresistance devices.
0021-8979
113720-113725
Kiziroglou, M.E.
5d55ba87-ea00-47fa-917b-c1e538ae6dd2
Li, X.
df4a6c0e-3b99-4c6a-9be4-ab53d0541c11
Gonzalez, D.C.
da7d4dbc-bc2e-4b3c-bd8c-9312fe938d4a
de Groot, C.H.
92cd2e02-fcc4-43da-8816-c86f966be90c
Zhukov, A.A.
75d64070-ea67-4984-ae75-4d5798cd3c61
de Groot, P.A.J.
98c21141-cf90-4e5c-8f2b-d2aae8efb84d
Bartlett, P.N.
d99446db-a59d-4f89-96eb-f64b5d8bb075
Kiziroglou, M.E.
5d55ba87-ea00-47fa-917b-c1e538ae6dd2
Li, X.
df4a6c0e-3b99-4c6a-9be4-ab53d0541c11
Gonzalez, D.C.
da7d4dbc-bc2e-4b3c-bd8c-9312fe938d4a
de Groot, C.H.
92cd2e02-fcc4-43da-8816-c86f966be90c
Zhukov, A.A.
75d64070-ea67-4984-ae75-4d5798cd3c61
de Groot, P.A.J.
98c21141-cf90-4e5c-8f2b-d2aae8efb84d
Bartlett, P.N.
d99446db-a59d-4f89-96eb-f64b5d8bb075

Kiziroglou, M.E., Li, X., Gonzalez, D.C., de Groot, C.H., Zhukov, A.A., de Groot, P.A.J. and Bartlett, P.N. (2006) Orientation and symmetry control of inverse sphere magnetic nanoarrays by guided self-assembly. Journal of Applied Physics, 100 (11), 113720-113725. (doi:10.1063/1.2386936).

Record type: Article

Abstract

Inverse sphere shaped Ni arrays were fabricated by electrodeposition on Si through the guided self-assembly of polystyrene latex spheres in Si/SiO2 patterns. It is shown that the size commensurability of the etched tracks is critical for the long range ordering of the spheres. Moreover, noncommensurate guiding results in the reproducible periodic triangular distortion of the close packed self-assembly. Magnetoresistance measurements on the Ni arrays were performed showing room temperature anisotropic magnetoresistance of 0.85%. These results are promising for self-assembled patterned storage media and magnetoresistance devices.

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Published date: 2006
Organisations: Nanoelectronics and Nanotechnology

Identifiers

Local EPrints ID: 263351
URI: http://eprints.soton.ac.uk/id/eprint/263351
ISSN: 0021-8979
PURE UUID: 5536d42f-e9a7-49a6-9f2c-3bd0757a8a80
ORCID for C.H. de Groot: ORCID iD orcid.org/0000-0002-3850-7101
ORCID for P.N. Bartlett: ORCID iD orcid.org/0000-0002-7300-6900

Catalogue record

Date deposited: 30 Jan 2007
Last modified: 05 Nov 2019 02:05

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Contributors

Author: M.E. Kiziroglou
Author: X. Li
Author: D.C. Gonzalez
Author: C.H. de Groot ORCID iD
Author: A.A. Zhukov
Author: P.A.J. de Groot
Author: P.N. Bartlett ORCID iD

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