期刊
APPLIED PHYSICS LETTERS
卷 99, 期 26, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3671996
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资金
- EU [216025]
- IRCSET
Some hydrocarbon linked mesogenic dimers are known to exhibit an additional nematic phase (N-x) below a conventional uniaxial nematic (N-u) phase. Although composed of non-chiral molecules, the N-x phase is found to exhibit linear (polar) switching under applied electric field. This switching has remarkably low response time of the order of a few microseconds. Two chiral domains with opposite handedness and consequently opposite responses are found in planar cells. Uniformly lying helix, electroclinic, and flexoelectric effects are given as possible causes for this intriguing phenomenon. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3671996]
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