Neutron spin-echo spectroscopy on chiral molecules forming self-assembling structures
The study of materials that self-assemble into supramolecular structures with desirable functionality and physical properties at nano- and meso-scopic length scales is currently an area of intense research, because it provides a promising approach to the design of new functional materials. The general aim of these specific studies is to acquire new knowledge and to obtain systematic data on molecular architecture – nano-organization relation for the chiral smectic materials that allows modifying the molecular structure and, hence, tuning the properties. Neutron scattering studied are quite rare in application to self-assembling materials and in particular to chiral liquid crystals forming the layered structures at the nanometre scale. We propose to make a detailed study of the H 10/8 chiral liquid crystalline material existing in three structural modifications (hydrogenated and two different deuterated ones) using the NSE spectrometer IN11. The measurements will be done at three different temperatures corresponding to different mesophases. Time domain analysis of the intermediate scattering function of H 10/8 molecules will be obtained.
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Alexej Bubnov and FOUQUET Peter. (2015). Neutron spin-echo spectroscopy on chiral molecules forming self-assembling structures. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.9-11-1737
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