ANOMALOUS ORIENTATION OF FERROELECTRIC LIQUID-CRYSTAL FILMS IN AN ELECTRIC-FIELD

Authors
ANDREEVA PO DOLGANOV VK MELETOV KP
Citation
Po. Andreeva et al., ANOMALOUS ORIENTATION OF FERROELECTRIC LIQUID-CRYSTAL FILMS IN AN ELECTRIC-FIELD, JETP letters, 66(6), 1997, pp. 442-447
Citations number
14
Categorie Soggetti
Physics
Journal title
JETP letters → ACNP
ISSN journal
00213640
Volume
66
Issue
6
Year of publication
1997
Pages
442 - 447
Database
ISI
SICI code
0021-3640(1997)66:6<442:AOOFLF>2.0.ZU;2-6
Abstract
An anomalous orientation of ferroelectric liquid crystals in an electr ic field is observed. The tilt planes of the molecules are oriented in a direction parallel to the electric field. The anomalous orientation is observed in freely suspended films above the smectic-C-smectic-A bulk phase transition temperature. The effect is explained by the appe arance of giant flexoelectric polarization, 10(4) times greater than t hat in bulk liquid-crystal samples, in the film. (C) 1997 American Ins titute of Physics.