On the structure of the Nx phase of symmetric dimers: inferences from NMR.
@article{Hoffmann2015OnTS, title={On the structure of the Nx phase of symmetric dimers: inferences from NMR.}, author={A. Hoffmann and A. G. Vanakaras and A. Kohlmeier and G. Mehl and D. Photinos}, journal={Soft matter}, year={2015}, volume={11 5}, pages={ 850-5 } }
NMR measurements on a selectively deuterated liquid crystal dimer CB-C9-CB, exhibiting two nematic phases, show that the molecules in the lower temperature nematic phase, N(X), experience a chiral environment and are ordered about a uniformly oriented director throughout the macroscopic sample. The results are contrasted with previous interpretations that suggested a twist-bend spatial variation of the director. A structural picture is proposed wherein the molecules are packed into highly… CONTINUE READING
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