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Phenomenological theory of ferroelectrically active liquid crystals

By Menkov Viktor Grigorievitch

Abstract

Subject of inquiry: smectic C"x-phases of liquid crystals. The aim of the work is the development of a modified analysis scheme for phase transitions in Landau-Ginzburg-Devonshire form for ferroelectrically active liquid crystals with linear dependence of polarization value upon internal strain and the pursuance of comprehensive thermodynamic research on its basis. Thermodynamic analysis of ferroelectrically active liquid crystals has been carried out for the first time within the framework of the well-known scheme for inherent solid-state ferroelectric materials and on this basis data has been obtained on the macroscopic properties dependences upon temperature composition, external action, sizes of the system. Physical principles have been developed for purposeful search for methods of obtaining ferroelectrically active liquid crystals with optimal physical propertiesAvailable from VNTIC / VNTIC - Scientific & Technical Information Centre of RussiaSIGLERURussian Federatio

Topics: 20K - Solid-state physics, PHYSICS
Year: 1992
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Provided by: OpenGrey Repository
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