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Title: Ferroelectric liquid crystals derived from trans-p-n-alkoxycinnamic acids
Authors: Shivkumar, B.
Sadashiva, B.K.
Krishna Prasad, S.
Khened, S.M.
Issue Date: Feb-1991
Publisher: Taylor & Francis Group
Citation: Ferroelectrics, 1991, Vol.114, p273-282
Abstract: Two series of compounds are prepared using trans-p-n-alkoxycinnamic acids with (2S)-2-chloro-4-methylpentanol and (2S,3S)-2-chloro-3-methylpentanol. Most of the higher homologues in the two series of compounds exhibit a chiral smectic C (SC) phase at relatively low temperatures and a smectic A (SA) phase. Some of the lower homologues show a chiral nematic and a blue phase in addition to SC and SA phases. The liquid crystalline behaviour of the two series of compounds are quite similar. Some of these compounds have a fairly high value for the spontaneous polarisation which has been measured as a function of temperature. The mesomorphic properties of these two series of compounds have also been compared with esters derived from trans-p-n - alkoxycinnamic acids and (S)-2-chloro-4-methylpentanoic acid and (2S, 3S)-2-chloro-3-methyl-pentanoic acid.
Description: Restricted Access.
ISSN: 0015-0193
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Copyright: 1991 Taylor & Francis Group
Appears in Collections:Research Papers (SCM)

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