"Sungmin Kang,Ha Nguyen,Shunpei Nakajima,Masatoshi Tokita,Junji Watanabe","Biaxial and antiferroelectric structure of the orthogonal smectic phase of a bent-shaped molecule and helical structure in a chiral mixture system",,"Physical Review E",,"Vol. 87","No. 5","pp. 052501",2013,May "Ha Nguyen,Sungmin Kang,Masatoshi Tokita,Junji Watanabe","Calamitic smectic A - polar smectic APA transition observed in bent molecules with large bent-angle central core of 4,6-dichlorobenzene and alkylthio terminal tail",,"Japanese Journal of Applied Physics",,"Vol. 50",,"p. 071602-1",2011,July