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Titolo:
The transition mechanism of the transient planar to planar director configuration change in cholesteric liquid crystal displays
Autore:
Watson, P; Anderson, JE; Sergan, V; Bos, PJ;
Indirizzi:
Kent State Univ, Inst Liquid Crystal, Kent, OH 44242 USA Kent State Univ Kent OH USA 44242 Inst Liquid Crystal, Kent, OH 44242 USA Kent State Univ, Chem Phys Interdisciplinary Program, Kent, OH 44242 USA Kent State Univ Kent OH USA 44242 isciplinary Program, Kent, OH 44242 USA
Titolo Testata:
LIQUID CRYSTALS
fascicolo: 9, volume: 26, anno: 1999,
pagine: 1307 - 1314
SICI:
0267-8292(199909)26:9<1307:TTMOTT>2.0.ZU;2-8
Fonte:
ISI
Lingua:
ENG
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
15
Recensione:
Indirizzi per estratti:
Indirizzo: Watson, P Kent State Univ, Inst Liquid Crystal, Kent, OH 44242 USA Kent State Univ Kent OH USA 44242 d Crystal, Kent, OH 44242 USA
Citazione:
P. Watson et al., "The transition mechanism of the transient planar to planar director configuration change in cholesteric liquid crystal displays", LIQ CRYST, 26(9), 1999, pp. 1307-1314

Abstract

In cholesteric liquid crystals with a positive dielectric anisotropy, the relaxation from the electric field-aligned director configuration to the stable zero field director configuration proceeds via a metastable transient planar director configuration which has a pitch distinct from the equilibrium state. The transition from the transient planar to the equilibrium zero-field state is shown here to occur via a Helfrich-type instability which continuously leads to an in-plane helical structure. The equilibrium planar state is then seen to grow continuously from the in-plane state, leaving behind walls whose length then spontaneously shrinks.

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Documento generato il 06/04/20 alle ore 07:27:28