Piezoelectric and Electric‐Field‐Induced Properties of a Ferroelectric Bent‐Core Liquid Crystal

Piezoelectric and Electric‐Field‐Induced Properties of a Ferroelectric Bent‐Core Liquid Crystal

A new adamantane bent‐core liquid crystal exhibiting a metastable ferroelectric phase with large polarization is synthesized and characterized. The material shows reversible switching between a birefringent (opaque) and an optically isotropic (clear) state. In the clear state, the observed piezoelec...

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Veröffentlicht in:Advanced materials (Weinheim) 2009-10, Vol.21 (37), p.3784-3788
Hauptverfasser: Jákli, Antal, Pintre, Inmaculada C., Serrano, José Luis, Ros, M. Blanca, de la Fuente, M. Rosario
Format: Artikel
Sprache:eng
Schlagworte:
ferroelectric liquid crystals
liquid crystals
piezoelectrics
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Zusammenfassung:A new adamantane bent‐core liquid crystal exhibiting a metastable ferroelectric phase with large polarization is synthesized and characterized. The material shows reversible switching between a birefringent (opaque) and an optically isotropic (clear) state. In the clear state, the observed piezoelectric constant is comparable to those of commercial solid‐state piezotransducers.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.200900131