Molecular Crystals and Liquid Crystals Science and Technology, Section A: Molecular Crystals and Liquid Crystals p. 547 - 556 (2001)
Update date:2022-08-16
Topics: applications Research and Development Core Structure
Bubnov, Alexej
Hamplova, Vera
Kaspar, Miroslav
Vanek, Premysl
Pociecha, Damian
Glogarova, Milada
New series of ferroelectric liquid crystalline materials containing methyl and methoxy lateral groups on the aromatic ring of the core unit, as well as non-substituted materials have been synthesised. All compounds exhibit a wide temperature range of the ferroelectric chiral SmC* phase. A low temperature ferroelectric phase was detected for some of the investigated compounds probably composed of the SmC* phase and a crystalline phase. Measurements of spontaneous polarisation and tilt angle, helical pitch and dielectric permittivity has been performed.
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