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Molecular Crystals and Liquid Crystals Letters Volume 8, 1992 - Issue 5
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Original Articles

Strong Electroacoustic Effect in Ferroelectric Liquid Crystal Cells

F. GießelmannInstitut für Physikalische Chemie der Technischen Universität Clausthal Arnold-Sommerfeld-Str. 4 D-3392Clausthal-ZellerfeldFederal Republic of Germany
,
I. DierkingInstitut für Physikalische Chemie der Technischen Universität Clausthal Arnold-Sommerfeld-Str. 4 D-3392Clausthal-ZellerfeldFederal Republic of Germany
&
P. ZugenmaierInstitut für Physikalische Chemie der Technischen Universität Clausthal Arnold-Sommerfeld-Str. 4 D-3392Clausthal-ZellerfeldFederal Republic of Germany
Pages 105-110 | Received 13 Jan 1992, Published online: 02 Dec 2013
 

Abstract

A strong electroacoustic effect of a ferroelectric liquid crystal cell was observed with a 1 MV/m electric square field in the frequency range from 3 kHz to 30 kHz. The sound emitted can be heared with the naked ear and easily detected with a simple microphone. The electroacoustic effect vanishes in the chiral SA-phase.

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