Ultrasound Absorption Anisotropy in the Vicinity of Smectic A-Nematic Transition
作者:
V.A. Balandin,
S.V. Pasechnik,
V.I. Prokopjev,
O.Ya. Shmelyoff,
期刊:
Liquid Crystals
(Taylor Available online 1988)
卷期:
Volume 3,
issue 10
页码: 1319-1325
ISSN:0267-8292
年代: 1988
DOI:10.1080/02678298808086613
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
The results of a low frequency ultrasonic study of 4-n-butyloxybenzylidene-4'-n-butylaniline (BBBA) in the vicinity of the smectic A-nematic transition are presented. The frequency and temperature dependence of the parameters describing the anisotropic ultrasound absorption are determined experimentally and compared with the predictions of fluctuation and relaxation theories of the smectic A-nematic transition. It is shown that no single theory could explain all of the experimental data.
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