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Weak anchoring effects in ferronematic systems

Weak anchoring effects in ferronematic systems
Weak anchoring effects in ferronematic systems
We study the magnetically induced behaviour of a ferronematic cell with finite anchoring energy at the cell surfaces. We calculate the dependence of orientational and concentration profiles on the magnetic field, the director anchoring energy, and the cell thickness. We find a new intermediate thickness high field state, in which there is no ferroparticle segregation and a highly ordered director field. This contrasts with previous work in which only a restricted set of system parameters and strong anchoring at the cell surfaces were considered.
ferronematic, anchoring effects, segregation, liquid crystal orientational structure
0304-8853
153-155
Burylov, S.V.
0d387dae-1dd0-4df4-9e86-b323fcd1d657
Zadorozhnii, V.I.
7d2e7c5a-b52c-4dd1-a7fe-cd8b708cd2ab
Pinkevich, I.P.
3bc6385f-a71b-419c-9996-0cc566e9b687
Reshetnyak, V.Y.
e12aee37-8ee0-48c5-b576-c65ea3a2b3fb
Sluckin, T.J.
8dbb6b08-7034-4ae2-aa65-6b80072202f6
Burylov, S.V.
0d387dae-1dd0-4df4-9e86-b323fcd1d657
Zadorozhnii, V.I.
7d2e7c5a-b52c-4dd1-a7fe-cd8b708cd2ab
Pinkevich, I.P.
3bc6385f-a71b-419c-9996-0cc566e9b687
Reshetnyak, V.Y.
e12aee37-8ee0-48c5-b576-c65ea3a2b3fb
Sluckin, T.J.
8dbb6b08-7034-4ae2-aa65-6b80072202f6

Burylov, S.V., Zadorozhnii, V.I., Pinkevich, I.P., Reshetnyak, V.Y. and Sluckin, T.J. (2002) Weak anchoring effects in ferronematic systems. Journal of Magnetism and Magnetic Materials, 252, 153-155. (doi:10.1016/S0304-8853(02)00619-4).

Record type: Article

Abstract

We study the magnetically induced behaviour of a ferronematic cell with finite anchoring energy at the cell surfaces. We calculate the dependence of orientational and concentration profiles on the magnetic field, the director anchoring energy, and the cell thickness. We find a new intermediate thickness high field state, in which there is no ferroparticle segregation and a highly ordered director field. This contrasts with previous work in which only a restricted set of system parameters and strong anchoring at the cell surfaces were considered.

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More information

Published date: 2002
Keywords: ferronematic, anchoring effects, segregation, liquid crystal orientational structure

Identifiers

Local EPrints ID: 29592
URI: http://eprints.soton.ac.uk/id/eprint/29592
ISSN: 0304-8853
PURE UUID: 65860387-c6c0-41d8-874a-006c2b82adaa
ORCID for T.J. Sluckin: ORCID iD orcid.org/0000-0002-9163-0061

Catalogue record

Date deposited: 11 May 2006
Last modified: 18 Feb 2021 16:31

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