Electrooptic response of smectic O and smectic O
- 1 January 1993
- journal article
- research article
- Published by Taylor & Francis in Liquid Crystals
- Vol. 14 (5) , 1327-1349
- https://doi.org/10.1080/02678299308026446
Abstract
We present the results of our investigations on the electrooptic properties of the smectic O and O* phases of m7tac (1-methylheptyl terephthalylidene-bis-4-aminocinnamate). At low voltages, we observed striking electrochromic effects and, in O* at high voltages, a field induced phase transition. Freely suspended thick films of m7tac in the O and O* phases are weakly biaxial. A framework is proposed to account for our observations.Keywords
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