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The relaxation of twist in nematic liquid crystals

1974; Elsevier BV; Volume: 49; Issue: 6 Linguagem: Inglês

10.1016/0375-9601(74)90298-9

1873-2429

Robert Turner, T. E. Faber,

Material Dynamics and Properties

A critical twist angle, above which twist can relax homogeneously, has been observed in the liquid crystals MBBA and 5CB. The results suggest that (2K22 − K33) increases through zero on heating and at Tc becomes equal to K11.