Ferroelectric properties of induced smectic C liquid crystalline phases

Spontaneous polarisation P s and tilt angle θ of induced ferroelectric S* c phases in mixed systems were measured as a function of mole fraction χ G. Both quantities depend non-linearly on the composition of the mixture, but the quantity P 0 = P s/sin θ shows a linear dependence on χ G. A new materi...

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Bibliographic Details
Published in:Chemical physics letters 1988-07, Vol.148 (5), p.409-412
Main Authors: Siemensmeyer, K., Stegemeyer, H.
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Dielectrics, piezoelectrics, and ferroelectrics and their properties
Exact sciences and technology
Ferroelectricity and antiferroelectricity
Physics
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Summary:Spontaneous polarisation P s and tilt angle θ of induced ferroelectric S* c phases in mixed systems were measured as a function of mole fraction χ G. Both quantities depend non-linearly on the composition of the mixture, but the quantity P 0 = P s/sin θ shows a linear dependence on χ G. A new material constant, the polarisation power δ P = d P 0(χ G)/dχ G, is defined.
ISSN:0009-2614
1873-4448
DOI:10.1016/0009-2614(88)87196-3