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VOLUME 33 (1981) | ISSUE 5 | PAGE 262
Conformational change induced in mesomolecules by smectic A -nematic-isotropic liquid phase transitions
A method of polarization infrared spectroscopy is proposed for studying the conformation of mesomolecules at phase transitions in liquid crystals. Experiments reveal that a change in the conformation of the aromatic skeleton of the molecules is induced by phase transitions in two cyanobiphenyl liquid crystals and that the conformation depends on the orientational and translational order.