This article is cited in 4 papers

Liquid crystals

Flexoelastic properties of polar liquid crystals

M. Ilk Capar^a, A. Nar^a, A. V. Zakharov^b, A. A. Vakulenko<sup>b

a</sup> Department of Physics, Faculty of Science, Ege University, Bornova, Izmir, Turkey
^b Institute of Problems of Mechanical Engineering, Russian Academy of Sciences, St. Petersburg

Abstract: Structural properties of liquid crystals, such as the order parameters and the orientational, radial, and direct correlation distribution functions of polar liquid crystals 4-n-heptyloxy-4'-n-cyanobiphenyl (7OCB) and 4-n-hexyloxy-benzylidene-4'-n-aminobenzonitrile (HBAB) have been calculated using a combination of numerical simulation and statistical mechanics methods. It has been shown that the calculated values of both the Frank elastic coefficients $K_i$ ($i$ = 1, 2, 3) corresponding to the splay, twist, and bend deformations and the flexoelectric coefficients $e_i$ ($i$ = 1, 3) agree with the experimental data for 7OCB. The calculated values of the same coefficients for HBAB have been published for the first time.

Received: 06.05.2010
Accepted: 17.06.2010

 English version: Physics of the Solid State, 2011, 53:2, 435–441

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