Predicting surface anchoring: molecular organization across a thin film of 5CB liquid crystal on silicon

2012 ◽  
Vol 3 (2) ◽  
pp. 573-579 ◽  
Author(s):  
A. Pizzirusso ◽  
R. Berardi ◽  
L. Muccioli ◽  
M. Ricci ◽  
C. Zannoni
RSC Advances ◽  
2019 ◽  
Vol 9 (38) ◽  
pp. 21685-21694 ◽  
Author(s):  
Palash Dhara ◽  
Rabibrata Mukherjee

Thermally induced nematic to isotropic (N–I) phase transition and dewetting of 5CB liquid crystal thin films on flat and topographically patterned substrates.


2020 ◽  
Vol 508 ◽  
pp. 145284
Author(s):  
Hui Chen ◽  
Chonghai Xu ◽  
Guangchun Xiao ◽  
Zhaoqiang Chen ◽  
Mingdong Yi ◽  
...  

2010 ◽  
Vol 7 ◽  
pp. 191-201
Author(s):  
I.Sh. Nasibullayev ◽  
O.V. Urina

Plane stationary shear flow of the nematic liquid crystal with weak surface anchoring is investigated. The effect of temperature, external fields, and the nature of the surface coupling on the formation of orientation instabilities is investigated.


2010 ◽  
Vol 7 ◽  
pp. 172-181
Author(s):  
I.Sh. Nasibullayev ◽  
U.R. Kamaletdinova

In this work is studying temperature influence and surface anchoring in orientation behaviour of oscillatory Poiseuille flow of nematic liquid crystal (NLC) in the plane cell. Without external influence molecules lays along flow plane. Molecules orientation change and caused by this back-flow is studied by low-amplitude decomposition.


Crystals ◽  
2021 ◽  
Vol 11 (6) ◽  
pp. 675
Author(s):  
H. Nilanthi Padmini ◽  
Mojtaba Rajabi ◽  
Sergij V. Shiyanovskii ◽  
Oleg D. Lavrentovich

Spatially-varying director fields have become an important part of research and development in liquid crystals. Characterization of the anchoring strength associated with a spatially-varying director is difficult, since the methods developed for a uniform alignment are seldom applicable. Here we characterize the strength of azimuthal surface anchoring produced by the photoalignment technique based on plasmonic metamsaks. The measurements used photopatterned arrays of topological point defects of strength +1 and −1 in thin layers of a nematic liquid crystal. The integer-strength defects split into pairs of half-integer defects with lower elastic energy. The separation distance between the split pair is limited by the azimuthal surface anchoring, which allows one to determine the strength of the latter. The strength of the azimuthal anchoring is proportional to the UV exposure time during the photoalignment of the azobenzene layer.


Author(s):  
Roberto Fernandez ◽  
Sergi Gallego ◽  
Francisco J. Martinez ◽  
Andres Marquez ◽  
Inmaculada Pascual ◽  
...  

1999 ◽  
Vol 38 (Part 1, No. 1A) ◽  
pp. 95-100 ◽  
Author(s):  
Yoriko Morita ◽  
Jay E. Stockley ◽  
Kristina M. Johnson ◽  
Eckhard Hanelt ◽  
Frank Sandmeyer

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