Magnetic Resonance of Chiral and Achiral Smectics
A review is presented of the results of the Ljubljana group in studying the problem of local orientational ordering in the smectic phases of chiral DOBAMBC, chiral TBACA and achiral TBBA and IBPBAC as well as (C10H21NH3)2CdCl4, the hydrocarbon part of which represents a smectic lipid bilayer exhibiting two structural phase transitions in analogy to biomembranes. A Landau theory describing the melting of bilayer membranes in terms of order parameters used in the theory of liquid crystals has been constructed to explain the obtained results.
KeywordsMolecular Axis Smectic Layer Electric Field Gradient Tensor Orientational Order Parameter Chemical Shift Tensor
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