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Observation of a possible tetrahedratic phase in a bent-core liquid crystal.

作者信息

Wiant D, Neupane K, Sharma S, Gleeson J T, Sprunt S, Jákli A, Pradhan N, Iannacchione G

机构信息

Department of Physics Kent State University, Kent, Ohio 44242, USA.

出版信息

Phys Rev E Stat Nonlin Soft Matter Phys. 2008 Jun;77(6 Pt 1):061701. doi: 10.1103/PhysRevE.77.061701. Epub 2008 Jun 2.

DOI:10.1103/PhysRevE.77.061701
PMID:18643281
Abstract

An experimental study of the heat capacity, mass density, magnetic-field-induced optical birefringence, linewidth and intensity of scattered light, and the viscosities associated with nematic order parameter fluctuations and fluid flow has been performed on an achiral bent-core liquid crystal above its clearing point temperature. The measurements reveal a transition between two optically isotropic phases that is consistent with recent theoretical predictions of a "tetrahedratic" form of orientational order.

摘要

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