Liquid crystal device

Compositions – Radioactive compositions – Nuclear reactor fuel

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2522995, 25229961, 25229964, 25229965, 25229966, 25229967, 25229968, 25229901, 350333, 350336, 350340, 350341, 428 1, 544405, 544406, G02F 113, C09K 1934, C07D24102

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active

047213671

ABSTRACT:
A liquid crystal compound represented by the formula (I) below or a liquid crystal composition containing the compound is interposed between a pair of base plates. ##STR1## wherein R is an alkyl or alkoxy group having 1-18 carbon atoms; m is 0 or 1; R.sup.1 is an alkyl group having 1 to 18 carbon atoms when m is 0 and is an alkyl or alkoxy group having 1-18 carbon atoms when m is 1. The liquid crystal compound or composition is in a chiral smectic phase formed through a phase transition from a higher temperature phase. At least one of the base plates has a face to which an orientation controlling function is imparted for preferentially orienting the liquid crystal molecules in contact with the face in one direction.

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Patel, J. S., et al, Ferroelectrics, vol. 59, pp. 137-144 (1984).
Dewar, M. J. S., et al., Liquid Crystals & Ordered Fluids, vol. 2, Plenum Press, N.Y., pp. 733-741 (1980).
Nash, J. A. et al, Mol. Cryst. Liq. Cryst. vol. 25, pp. 299-321 (1974).

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