On the Origin of the “Giant” Electroclinic Effect in a “De Vries”‐Type Ferroelectric Liquid Crystal Material for Chirality Sensing Applications | Zendy

Kapernaum Nadia | Zendy; Walba David M. | Zendy; Korblova Eva | Zendy; Zhu Chenhui | Zendy; Jones Chris | Zendy; Shen Yongqian | Zendy; Clark Noel A. | Zendy; Giesselmann Frank | Zendy

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On the Origin of the “Giant” Electroclinic Effect in a “De Vries”‐Type Ferroelectric Liquid Crystal Material for Chirality Sensing Applications

Author(s) -

Kapernaum Nadia,

Walba David M.,

Korblova Eva,

Zhu Chenhui,

Jones Chris,

Shen Yongqian,

Clark Noel A.,

Giesselmann Frank

Publication year - 2009

Publication title -

chemphyschem

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.016

H-Index - 140

eISSN - 1439-7641

pISSN - 1439-4235

DOI - 10.1002/cphc.200900065

Subject(s) - ferroelectricity , chirality (physics) , liquid crystal , synchrotron , condensed matter physics , phase transition , polarization (electrochemistry) , crystallography , phase (matter) , scattering , chemistry , materials science , optics , physics , chiral symmetry , dielectric , organic chemistry , optoelectronics , quantum mechanics , nambu–jona lasinio model , quark

W415 is a chiral smectic compound with a remarkably weak temperature dependence of its giant electroclinic effect in the liquid crystalline smectic A* phase. Furthermore it possesses a high spontaneous polarization in the smectic C* phase. The origin of this striking electroclinic effect is the co‐occurrence of a de Vries‐type ordering with a weak first‐order tilting transition (see the synchroton X‐ray scattering profiles).

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