Flexo-electricity of the dowser texture.
basic_science · Level V
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- Record sourced from PubMed, PMID 30607421.
- Also identified by DOI 10.1039/c8sm02329h.
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Abstract
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.