Neutron quasi-elastic scattering study of translational motions in the smectic h, c and a phases of tbbaReport as inadecuate




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Abstract : Neutron quasi-elastic scattering experiments in the smectic H, C and A phases of TBBA are presented, using the high resolution backscattering technique. The data are analyzed in terms of translational motion and are characterized by an apparent self diffusion coefficient Dap. The physical meaning of Dap is discussed in terms of the true bulk self diffusion tensor and other kinds of translational motions.

Mots-clés : liquid crystals neutron diffraction examination of materials translational motions TBBA high resolution backscattering technique apparent self diffusion coefficient neutron quasielastic scattering smectic phases





Author: A.J. Dianoux F. Volino A. Heidemann H. Hervet

Source: https://hal.archives-ouvertes.fr/



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