scholarly journals Bending-induced director reorientation of a nematic liquid crystal elastomer bonded to a hyperelastic substrate

2021 ◽  
Vol 129 (10) ◽  
pp. 104701
Author(s):  
Yang Liu ◽  
Wendi Ma ◽  
Hui-Hui Dai
2006 ◽  
Vol 33 (4) ◽  
pp. 373-380 ◽  
Author(s):  
Christopher M. Spillmann ◽  
Jawad Naciri ◽  
Mu‐San Chen ◽  
Amritha Srinivasan ◽  
Banahalli R. Ratna

2001 ◽  
Vol 40 (Part 1, No. 1) ◽  
pp. 244-249 ◽  
Author(s):  
Satoshi Okutani ◽  
Munehiro Kimura ◽  
Hirokazu Toriumi ◽  
Kenichi Akao ◽  
Toshiyasu Tadokoro ◽  
...  

2016 ◽  
Vol 28 (43) ◽  
pp. 9637-9643 ◽  
Author(s):  
Yu Xia ◽  
Gerardo Cedillo-Servin ◽  
Randall D. Kamien ◽  
Shu Yang

Crystals ◽  
2020 ◽  
Vol 10 (2) ◽  
pp. 123 ◽  
Author(s):  
Rajratan Basu ◽  
Lukas J. Atwood ◽  
George W. Sterling

A small quantity of hexagonal boron nitride (h-BN) flakes is doped into a nematic liquid crystal (LC). The epitaxial interaction between the LC molecules and the h-BN flakes rising from the π−π electron stacking between the LC’s benzene rings and the h-BN’s honeycomb structure stabilizes pseudo-nematic domains surrounding the h-BN flakes. Electric field-dependent dielectric studies reveal that the LC-jacketed h-BN flakes follow the nematic director reorientation upon increasing the applied electric field. These anisotropic pseudo-nematic domains exist in the isotropic phase of the LC+h-BN system as well, and interact with the external electric field, giving rise to a nonzero dielectric anisotropy in the isotropic phase. Further investigations reveal that the presence of the h-BN flakes at a low concentration in the nematic LC enhances the elastic constants, reduces the rotation viscosity, and lowers the pre-tilt angle of the LC. However, the Fréedericksz threshold voltage stays mostly unaffected in the presence of the h-BN flakes. Additional studies show that the presence of the h-BN flakes enhances the effective polar anchoring strength in the cell. The enhanced polar anchoring strength and the reduced rotational viscosity result in faster electro-optic switching in the h-BN-doped LC cell.


2014 ◽  
Author(s):  
Rita A. Gharde ◽  
Santosh A. Mani ◽  
Suman Lal ◽  
S. K. Tripathi ◽  
Samriti Khosla

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