M. Grigutsch et al., TRANSIENT PATTERNS IN THE MAGNETIC REORIENTATION OF LOW-MOLECULAR-MASS NEMATIC LIQUID-CRYSTALS, Molecular crystals and liquid crystals science and technology. Section A, Molecular crystals and liquid crystals, 261, 1995, pp. 283-292
We present the results of optical investigations of transient patterns
appearing during the reorientation of nematic LC in magnetic fields.
The transition from a planar modulated director field to a metastable
non-planar structure of twist-bend walls is observed. From the wavelen
gths and characteristic rise times of the investigated patterns, the v
alidity of the linearized mode selection theory is confirmed and visco
elastic parameters are determined.