Abstract

The proton magnetic resonance spectra of 4-cyanophenyl 4′-hexyloxy benzoate (CPHOB) were measured from room temperature to 380K. It was found that the transition temperature from solid to nematic phase was Tsn=347K, and the transition temperature from nematic phase to isotropic liquid Tni=359K. The temperature dependence of its order parameter was evaluated. Its mechanism of proton spin lattice relaxation was discussed.

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