Journal article
Structural transitions in holographic polymer-dispersed liquid crystals
Physical review. E, Statistical, nonlinear, and soft matter physics, v 69(5 Pt 1), pp 051703-051703
May 2004
PMID: 15244833
Abstract
Dynamic light scattering was used to analyze the structural and dynamic properties of nematic director field within liquid crystal domains formed in holographic polymer-dispersed liquid crystal transmission gratings. Samples prepared from two different types of prepolymer mixture: one curable with visible (VIS) and another curable with UV light were investigated. In both formulations a critical slowing down of thermal director fluctuations, signifying the second-order structural transition of the nematic director field was observed in the vicinity of some critical external electric field as well as close to some critical temperature. For VIS samples also the size and the shape of phase separated droplets and viscoelastic and surface anchoring parameters of the liquid crystalline (LC) material forming the droplets were deduced. The viscoelastic constants were found to significantly deviate from the viscoelastic parameters of the pure LC mixture.
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Details
- Title
- Structural transitions in holographic polymer-dispersed liquid crystals
- Creators
- I Drevensek-Olenik - Faculty of Mathematics and Physics, University of Ljubljana, Jadranska 19, SI 1001 Ljubljana, SloveniaM JazbinsekM E SousaA K FontecchioG P CrawfordM Copic
- Publication Details
- Physical review. E, Statistical, nonlinear, and soft matter physics, v 69(5 Pt 1), pp 051703-051703
- Publisher
- Cold Spring Harbor Press; United States
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Electrical and Computer Engineering
- Web of Science ID
- WOS:000221813100037
- Scopus ID
- 2-s2.0-85036252559
- Other Identifier
- 991014877683004721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Physics, Fluids & Plasmas
- Physics, Mathematical