Molecular statistical theory of nematic liquid crystals. II. Relation between elasticity and orientational order

Chandrasekhar, S. ; Madhusudana, N. V. ; Shubha, K. (1972) Molecular statistical theory of nematic liquid crystals. II. Relation between elasticity and orientational order Acta Crystallographica Section A: Foundations of Crystallography, 28 . pp. 28-30. ISSN 0108-7673

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Official URL: http://scripts.iucr.org/cgi-bin/paper?S05677394720...

Related URL: http://dx.doi.org/10.1107/S0567739472000051

Abstract

A relationship is derived between curvature, elasticity and orientational order in nematic liquid crystals on the basis of the molecular statistical theory developed in Part I. Calculations show that the elastic moduli of p-azoxyphenetole should be greater than those of p-azoxyanisole, in quantitative agreement with the values reported by the Orsay Group. The theoretical temperature variation of the elastic moduli is also in accord with the available data.

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