Experimental evidence for a hexagonal Blue Phase

P. Pieranski, P. Cladis, R. Barbet-Massin
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引用次数: 41

Abstract

Experimental evidence for a Blue Phase of hexagonal symmetry is reported. In agreement with a theoretical prediction by Hornreich et al., this new Blue Phase has been found in a short pitch cholesteric liquid crystal of positive dielectric anisotropy submitted to a large enough electric field. Its symmetry, compatible with crystal forms and with Bragg reflections, is either P6 1 22 or P6 2 22. The phase is three-dimensional in contradistinction with theoretically considered two-dimensional models En accord avec les predictions theoriques de Hornreich et al. cette nouvelle phase apparait dans des cristaux liquides cholesteriques de petit pas, d'anisotropie dielectrique positive et soumis au champ electrique d'intensite suffisante
六边形蓝相的实验证据
本文报道了六边形对称蓝相的实验证据。与Hornreich等人的理论预测一致,在足够大的电场作用下,在具有正介电各向异性的短间距胆甾液晶中发现了这种新的蓝相。它的对称性,兼容晶体形式和布拉格反射,是P6 1 22或P6 2 22。与理论上考虑的二维模型相比,相是三维的。根据预测理论,de Hornreich等人提出了“nouvelle phase appardans des cristaux liquides choliques de petit pas, d’各向异性介电正等soumis au champ electrique d’intensite suffisante”
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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