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Flexoelectricity in nematic domain walls.

Abstract:
Flexoelectric effects are studied in the domain walls of a nematic liquid crystal device showing the Freedericksz transition. Walls parallel to the alignment direction have a strong twist distortion and an electro-optic effect dominated by e1-e3 is seen. Walls perpendicular to the alignment direction have a strong splay-bend distortion and an electro-optic effect dominated by e1+e3 is seen. This allows the study of both flexoelectric coefficient combinations in a single device.

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Publisher copy:
10.1103/physreve.78.011701

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Institution:
University of Oxford
Department:
Oxford, MPLS, Engineering Science
Role:
Author
Journal:
Physical review. E, Statistical, nonlinear, and soft matter physics
Volume:
78
Issue:
1 Pt 1
Pages:
011701
Publication date:
2008-07-05
DOI:
EISSN:
1550-2376
ISSN:
1539-3755
URN:
uuid:b85acf1d-3292-4cfe-8558-70171236a47a
Source identifiers:
62572
Local pid:
pubs:62572
Language:
English

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