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Flexo-electricity of the dowser texture
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Orientador(es)
Resumo(s)
The persistent quasi-planar nematic texture known also as the dowser texture is characterized by a 2D unitary vector field d. We show here that the dowser texture is sensitive, in first order, to electric fields. This property is due to the flexo-electric polarisation P collinear with d expected from R. B. Meyer's considerations on flexo-electricity in nematics. It is pointed out that due to the flexo-electric polarisation nematic monopoles can be manipulated by electric fields of appropriate geometry.
Descrição
POCI-01-0145-FEDER-007688 ,PTDC/CTM-BIO/6178/2014 and M-ERA-NET2/0007/2016 (CellColor).
Palavras-chave
General Chemistry Condensed Matter Physics