Optical second-harmonic-generation study of the interaction of silane-covered surfaces with liquid-crystal layers
- 1 May 1991
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 43 (10), 5740-5743
- https://doi.org/10.1103/physreva.43.5740
Abstract
Optical second-harmonic generation has been used to determine the average molecular orientation of liquid-crystal (LC) molecules adsorbed on various silane-covered substrates. With the use of different preparation methods for the silane layers, considerable changes in molecular orientation of the polar-ordered part of the first LC monolayer were observed. Concomitantly, the number of polar-ordered LC molecules changed.Keywords
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