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Electrooptic, Pyroelectric And Dielectric Spectroscopic Studies Of Nematic And Twist Bend Nematic Phases Of Achiral Hockey-Shaped Bent-Core Liquid Crystal, Sithara P. Sreenilayam, Neelam Yadav, Yuri Panarin, G. Shanker, J.K. Vij
Electrooptic, Pyroelectric And Dielectric Spectroscopic Studies Of Nematic And Twist Bend Nematic Phases Of Achiral Hockey-Shaped Bent-Core Liquid Crystal, Sithara P. Sreenilayam, Neelam Yadav, Yuri Panarin, G. Shanker, J.K. Vij
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Experimental and theoretical investigations of the twist-bend nematic (NTB) phase in liquid crystals have recently received significant attention for reasons of unusual and interesting characteristics of the NTB. Though NTB was predicted to exist for rigid bent-core LCs by Ivan Dozov in 2001, nevertheless it has unambiguously been proven to exist only in a few bent-core systems so far. Here the characteristics of both the nematic (N) and NTB phases are investigated for a hockey shaped achiral rigid bent-core LC, called BCI, in planar and homeotropic aligned cells, using polarizing optical microscopy, electro-optics, pyroelectricity and wide band dielectric spectroscopy. Spontaneous …