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Optical rotatory power of liquid crystal mixtures II mixtures of a nematogenic and a non-mesomorphic chiralic compounds by H. Stegemeyer; K.-J. Mainusch; E. Steigner is a Physics and Astronomy article available to read on EtoBox.

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Addition of a cbiralie eight-membered ring derivntive of 1, l\*-dinaphthyl (I) to a nematic mesophase produces ac apticaf rotatory power d? which exceeds the optical rotation of the solute I by a factor of several orders of magnitude. The temperature dependence Qr (ZJ as wetl as other optical properties are characteristic of cbolesteric liquid crystals. From this, evidence has been derived that nan-mescmorphic chirat molecules transform a nematic into a chotesterio mesophase, The screw-sense of the helical arrangement depends on the otirality of the molecules added.

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Author

H. Stegemeyer; K.-J. Mainusch; E. Steigner

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0009-2614)

Published

1971

Language

EN

Field

Physics and Astronomy (Physical Sciences)