Physical Review E, volume 82, issue 6, publication number 061705

Light- and electric-field-induced first-order orientation transitions in a dendrimer-doped nematic liquid crystal.

Publication typeJournal Article
Publication date2010-12-22
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor2.4
ISSN24700045, 24700053, 15393755, 15502376, 1063651X, 10953787
Metals and Alloys
Mechanical Engineering
Industrial and Manufacturing Engineering
Strategy and Management
Abstract
Interaction of light and ac electric fields with a nematic liquid crystal (NLC) doped with nanosized second-generation carbosilane codendrimers containing terminal azobenzene fragments has been studied. A first-order Freedericksz transition in the linearly polarized light, accompanied by an intrinsic bistability in a wide region, was observed. An additional ac electric field decreases the light-induced Freedericksz transition threshold and narrows the bistability region. Light illumination transforms the second-order electric-field-induced Freedericksz transition to a first-order one. The width of the bistability region increases with the light wave intensity. The theory of the interaction of light and ac electric fields with the dendrimer-doped NLCs is developed taking into account an additional (with respect to the undoped nematic host) dependence of the optical torque on the angle between the director and the light field.

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Babayan E. A. et al. Light- and electric-field-induced first-order orientation transitions in a dendrimer-doped nematic liquid crystal. // Physical Review E. 2010. Vol. 82. No. 6. 061705
GOST all authors (up to 50) Copy
Babayan E. A., Budagovsky I. A., Shvetsov S. A., Shvetsov S. A., Smayev M. P., Zolot'ko A., Boiko N. I., Boiko N. I., BARNIK M. I. Light- and electric-field-induced first-order orientation transitions in a dendrimer-doped nematic liquid crystal. // Physical Review E. 2010. Vol. 82. No. 6. 061705
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RIS Copy
TY - JOUR
DO - 10.1103/PhysRevE.82.061705
UR - https://doi.org/10.1103%2FPhysRevE.82.061705
TI - Light- and electric-field-induced first-order orientation transitions in a dendrimer-doped nematic liquid crystal.
T2 - Physical Review E
AU - Babayan, E. A.
AU - Budagovsky, I. A.
AU - Shvetsov, S A
AU - Smayev, M. P.
AU - Zolot'ko, A.S.
AU - Boiko, N I
AU - BARNIK, M. I.
AU - Shvetsov, S. A.
AU - Boiko, N. I.
PY - 2010
DA - 2010/12/22 00:00:00
PB - American Physical Society (APS)
IS - 6
VL - 82
SN - 2470-0045
SN - 2470-0053
SN - 1539-3755
SN - 1550-2376
SN - 1063-651X
SN - 1095-3787
ER -
BibTex
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BibTex Copy
@article{2010_Babayan,
author = {E. A. Babayan and I. A. Budagovsky and S A Shvetsov and M. P. Smayev and A.S. Zolot'ko and N I Boiko and M. I. BARNIK and S. A. Shvetsov and N. I. Boiko},
title = {Light- and electric-field-induced first-order orientation transitions in a dendrimer-doped nematic liquid crystal.},
journal = {Physical Review E},
year = {2010},
volume = {82},
publisher = {American Physical Society (APS)},
month = {dec},
url = {https://doi.org/10.1103%2FPhysRevE.82.061705},
number = {6},
doi = {10.1103/PhysRevE.82.061705}
}
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