scholarly journals VAN DER WAALS DISPERSION FORCE CONTRIBUTION TO THE INTERFACIAL FREE ENERGY OF NEMATIC LIQUID CRYSTALS

1979 ◽  
Vol 40 (C3) ◽  
pp. C3-525-C3-528 ◽  
Author(s):  
K. OKANO ◽  
J. MURAKAMI
Keyword(s):  
Free Energy ◽  
Liquid Crystals ◽  
Nematic Liquid Crystals ◽  
Van Der Waals ◽  
Interfacial Free Energy ◽  
Dispersion Force

van der Waals–induced distortions in nematic liquid crystals close to a surface

1996 ◽  
Vol 53 (6) ◽  
pp. 6093-6100 ◽  
Author(s):  
M. Rajteri ◽  
G. Barbero ◽  
P. Galatola ◽  
C. Oldano ◽  
S. Faetti
Keyword(s):  
Liquid Crystals ◽  
Nematic Liquid Crystals ◽  
Van Der Waals

Spontaneously Twisted Nonchiral Nematic Liquid Crystals

1990 ◽  
Vol 45 (6) ◽  
pp. 783-789 ◽  
Author(s):  
A. Chrzanowska
Keyword(s):  
Free Energy ◽  
Liquid Crystals ◽  
Elastic Constant ◽  
Nematic Liquid Crystals ◽  
Model Potential ◽  
Higher Order ◽  
Microscopic Model ◽  
Stability Conditions ◽  
Higher Order Terms ◽  
Potential Stability

AbstractNematic liquid crystals exhibiting a negative K2 elastic constant are discussed on the basis of a microscopic model potential. Stability conditions are satisfied by taking into account higher order terms in the expansion of the free energy. A continuous Freederiks effect is predicted for systems with negative K2.

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