Structure of the smectic D phase
作者:
G. Etherington,
A.J. Leadbetter,
X.J. Wang,
G.W. Gray,
A. Tajbakhsh,
期刊:
Liquid Crystals
(Taylor Available online 1986)
卷期:
Volume 1,
issue 3
页码: 209-214
ISSN:0267-8292
年代: 1986
DOI:10.1080/02678298608086509
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
The so-called ‘smectic’ D phase of 4′-n-octadecyloxy-3′-cyanobiphenyl-4-carboxylic acid (one of only four materials known to exhibit this phase) has been shown unambiguously by X-ray diffraction to be characterized by a primitive cubic space group. The space group is eitherP23orPm3, and the lattice parametera0is 86 Å. It is shown that data from previous studies of this phase may be re-intepreted to be consistent with these findings. In view of these conclusions it is clearly inappropriate to refer to the phase as smectic.
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