Revealing the polar nature of a ferroelectric nematic by means of circular alignment.

Revealing the polar nature of a ferroelectric nematic by means of circular alignment.
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DOI:
10.1038/s41598-021-04028-7
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发表时间:
2021-12-23
期刊:
影响因子:
4.6
通讯作者:
Rudquist P
Rudquist P
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Rudquist P

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自发极性双相液晶--所谓的铁电向列相--在首次讨论其可能存在的世纪之后,最近的发现从基础科学和应用的角度都引起了人们极大的兴趣。然而,到目前为止,这样一个阶段的实验证明是不平凡的。在这里,我提出了一个直接的方法,实验验证的铁电液晶相。该方法利用一个单一的样品池中的两个基板是线性和圆形摩擦,分别,和铁电体的铁电相(NF)是由所产生的向错线在细胞中的取向揭示。
The recent discovery of spontaneously polar nematic liquid crystals—so-called ferroelectric nematics—more than a century after the first discussions about their possible existence—has attracted large interest, both from fundamental scientific and applicational points of view. However, the experimental demonstration of such a phase has, so-far, been non-trivial. Here I present a direct method for the experimental verification of a ferroelectric nematic liquid crystal phase. The method utilizes a single sample cell where the two substrates are linearly and circularly rubbed, respectively, and the ferroelectric nematic phase (NF) is revealed by the orientation of the resulting disclination lines in the cell.
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