Archivio Istituzionale della RicercaThe effect of the second order elasticity on the critical thickness of Hybrid Aligned Nematic cells possessing either weak planar or weak homeotropic anchoring has been analysed. It is found that the critical thickness of such cells is strictly dependent on the surface elastic constant K13 and on the second order bulk elastic constant K*. Moreover, an experimental method for an indirect measurement of K13 and K* is proposed.
Hybrid aligned nematics and second order elasticity / Sparavigna, Amelia Carolina; Komitov, L.; Strigazzi, Alfredo. - In: PHYSICA SCRIPTA. - ISSN 0031-8949. - STAMPA. - 43:(1991), pp. 210-215. [10.1088/0031-8949/43/2/017]
Hybrid aligned nematics and second order elasticity
SPARAVIGNA, Amelia Carolina;STRIGAZZI, Alfredo
1991
Abstract
The effect of the second order elasticity on the critical thickness of Hybrid Aligned Nematic cells possessing either weak planar or weak homeotropic anchoring has been analysed. It is found that the critical thickness of such cells is strictly dependent on the surface elastic constant K13 and on the second order bulk elastic constant K*. Moreover, an experimental method for an indirect measurement of K13 and K* is proposed.
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https://hdl.handle.net/11583/1405995
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