Ferrielectric smectic phases: Liquid crystal structure and macroscopic fluctuations
作者:
V.L. Lorman,
期刊:
Liquid Crystals
(Taylor Available online 1996)
卷期:
Volume 20,
issue 3
页码: 267-276
ISSN:0267-8292
年代: 1996
DOI:10.1080/02678299608032034
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
The work concerns the structures and properties of multilayer smectic phases with complex tilt and dipolar order. The symmetry and thermodynamical classification of multilayer antiferroelectric and ferrielectric phases is given. The main attention is paid to the difference of these phases with respect to classical ferroelectric S*c. A two-layer model of the ferrielectric smectic phase is generalized to describe the sequence of the first order phase transitions ferro-ferri-antiferro-electric and to show the possibility of existence of two isostructural ferrielectric phases, which differ in the value of the helical pitch and in the sense of the helix.
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