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Direct measure of the tilt angle in “de Vries type” liquid crystals through NMR spectroscopy
- 1.0347557 - FZÚ 2011 RIV DE eng J - Journal Article
Marchetti, A. - Domenici, V. - Novotná, Vladimíra - Lelli, M. - Cifelli, M. - Lesage, A. - Veracini, C.A.
Direct measure of the tilt angle in “de Vries type” liquid crystals through NMR spectroscopy.
ChemPhysChem. Roč. 11, č. 8 (2010), s. 1641-1645. ISSN 1439-4235. E-ISSN 1439-7641
Institutional research plan: CEZ:AV0Z1010920
Keywords : liquid crystals * ferroelectricity * de Vries behaviour
Subject RIV: BM - Solid Matter Physics ; Magnetism
Impact factor: 3.339, year: 2010
The present study based on the effect of high magnetic fields in unwinding the supramolecular helical structure and aligning LC molecules allowed us to determined the trend of the tilt angle of the deuterated moiety within the whole mesomorphic range of both the SmA and Smc* phases. In this communication we are presenting the main results which are of help in understanding the molecular arrangements within the so call “de Vries” SmA phase.
Permanent Link: http://hdl.handle.net/11104/0188313
Number of the records: 1