Liquid Single Crystals of Cholesteric Blue Phases
Open Access
- 1 October 1981
- journal article
- Published by Walter de Gruyter GmbH in Zeitschrift für Naturforschung A
- Vol. 36 (10) , 1083-1085
- https://doi.org/10.1515/zna-1981-1010
Abstract
Liquid single crystals of cholesteric “Blue Phases” (BP) have been prepared and observed by polarizing microscopy. They exhibit a quadratic size without any exception. At the phase transition BP II → BP I a cross-hatching occurs, diagonal to the square sides, indicating a four-fold crystal symmetry. The observed habitus of the BP single crystals clearly evidences a cubic structure of the molecular arrangement. Possible space groups are discussed.Keywords
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