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2.2 ELECTRICAL, ELECTRONIC, INFORMATION ENGINEERING
Five orthogonal smectic phases (Sm-A, Sm-Ab, Sm-APR, Sm-APAR, and Sm-APA) were observed in a 4-cyanoresorcinol bisbenzoate with twoterephthalate–based wings achiral bent-core(BC) compound. The phase behavior was investigated by polarising optical microscopy, second harmonic electro-optic response(EO2) and dielectric spectroscopy. The ﬁeld dependent biaxiality of polar and non-polar Sm-A phases was studied. It is obviously of enormous scientiﬁc signiﬁcance and practical interest to ﬁnd ﬁve different orthogonal smectic phases in a low molecular weight bent-core (BC) compound at relatively low temperatures.
Lehmann, A. et al. (2015). Occurrence of five different orthogonal smectic phase in a bent-core (BC) liquid crystal. Molecular Crystals and Liquid Crystals , vol. 610, pp. 116-121. DOI:10.1080/15421406.2015.1025606