Orientational transitions in a cell with twisted nematic liquid crystal

Authors
Reznikov, Y Sergan, T
Citation
Y. Reznikov et T. Sergan, Orientational transitions in a cell with twisted nematic liquid crystal, MOL CRYST A, 330, 1999, pp. 1619-1625
Citations number
5
Categorie Soggetti
Physical Chemistry/Chemical Physics
Journal title
MOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY SECTION A-MOLECULAR CRYSTALS AND LIQUID CRYSTALS
ISSN journal
1058725X → ACNP
Volume
330
Year of publication
1999
Part
3
Pages
1619 - 1625
Database
ISI
SICI code
1058-725X(1999)330:<1619:OTIACW>2.0.ZU;2-I
Abstract
We studied a stability of a twisted nematic liquid crystal with a photosens itive chiral dopant under homeotropic boundary conditions. Transition betwe en the homeotropic and twisted alignment induced by photochanges in twistin g agent and anchoring strength show hysteresis. The period of the "fingerpr ints" texture of twisted nematic changes discontinuously under the continuo us changes of the concentration of twisting agent.