Surface screening layers and dynamics of energy transfer in photosensitive polymer-liquid crystal structures
Dyadyusha, Andriy, Kaczmarek, Malgosia and Gilchrist, Graham (2006) Surface screening layers and dynamics of energy transfer in photosensitive polymer-liquid crystal structures. Molecular Crystals and Liquid Crystals, 446, 261-272. (doi:10.1080/15421400500379731)
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Official URL: http://dx.doi.org/10.1080/15421400500379731
Description/Abstract
The dynamics of energy transfer in photoconductive polymer liquid crystal structures can contain important information on interface effects and surface electric fields contributing to the strength of liquid crystal reorientation gratings. The characteristic, transient effects observed during switching on and off of incident light or electric field can be explained by the presence of surface screening layers. Screening layers play an important role in the reorientation of liquid crystal director in cells with different alignment layers. Strong screening of external DC field is present not only in cells with a photoconductive polymer (56 V), but in standard cells with thicker (0.3 μm) polyimide, aligning layers.
| Item Type: | Article |
|---|---|
| ISSN: | 0140-6566 (print) |
| Uncontrolled Keywords: | nematic liquid crystals, photoconductive polymers, surface-charge field, two-beam coupling |
| Related URLs: | http://dx.doi.org/10.1080/1542...0500379731 |
| Subjects: | Q Science > QB Astronomy Q Science > QD Chemistry Q Science > QC Physics |
| Divisions: | University Structure - Pre August 2011 > School of Physics and Astronomy |
| ePrint ID: | 57180 |
| URI: | http://eprints.soton.ac.uk/id/eprint/57180 |
| Deposited On: | 13 Aug 2008 |
| Last Modified: | 01 Jun 2011 10:37 |
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