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Date : 1999-06-15
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Ferroelectric and Antiferroelectric Liquid Crystals ~ Ferroelectric liquid crystals have been a major research topic since 30 years However when it comes to liquid crystals the term “ferroelectric” is strongly ambiguous and frequently not only leads to confusion and misunderstanding but also obscures the basic concepts
Ferroelectric and Antiferroelectric Liquid Crystals Sven ~ Sven T Lagerwall Ferroelectric and Antiferroelectric Liquid Crystals The study of ferroelectricity is a branch of solid state physics which has shown rapid growth during the recent years Ferroelectric materials exhibit unusual electric properties which make them useful in modern optoelectronic technology esp
Ferroelectric and Antiferroelectric Liquid Crystals ~ Ferroelectric and antiferroelectric liquid crystals including also various polymer forms are the hottest research topic today in liquid crystals The field is at the very beginning of industrial exploitation a sensitive phase in which a good reference work is needed and will have a broad spectrum of readers both at universities and in industry
Ferro and antiferroelectric liquid crystals LCSoftMatter ~ Ferroelectric and antiferroelectric liquid crystals FLCs and AFLCs respectively have characteristic responses to applied electric fields with two and three distinct states as illustrated in the figure to the right In case of FLCs both switched states are stable in the absence of field whereas AFLCs are monostable
Ferroelectric and Antiferroelectric Liquid Crystals ~ Ferroelectric liquid crystals FLCs a special class of liquid crystals LCs has been a subject of intense research due to its promising applications for fast responding electrooptic EO devices
The Physics of Ferroelectric and Antiferroelectric Liquid ~ Symmetry ferroelectricity and antiferroelectricity in liquid crystals Chiral phases of achiral molecules Broken symmetry and elementary excitations Landau theory of ferroelectric and antiferroelectric liquid crystals Order parameter dynamics soft modes and gapless phasons Ferroelectric liquid crystals in external magnetic and DC electric fields
New ferroelectric and antiferroelectric liquid crystals ~ Three of the studied compounds exhibited ferro and antiferroelectric phases while one of them exhibited only one liquid crystalline phase – ferroelectric SmC No paraelectric phase was detected and straight transition between isotropic liquid and ferroelectric phases was observed for all studied compounds
Ferro and Antiferroelectric Liquid Crystals Request PDF ~ The ferroelectric liquid crystal is a 91 mixture of CE3 and CE14 ferroelectric liquid crystals exhibiting the ferroelectric Sm C phase between 42°C and 74°C with a rather short helical pitch
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