Abstract

Abstract A Raman scattering study has been made in N-(p-butoxybenzylidene)-p-n-octylaniline. Sharp changes in the intensity ratios near frequency shifts of 1200 and 1600 cm−1 occur at the solid to smectic-B transition, with no further changes upon heating to the isotropic liquid. The results suggest the smectic-B phase already exhibits completely fluidlike dynamics of the central molecular core.

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