K. Tajiri et al., OBSERVATION OF THE SURFACE-STRUCTURE OF THE FREESTANDING FILMS IN AN ANTIFERROELECTRIC LIQUID-CRYSTAL, MHPOBC, BY X-RAY-DIFFRACTION, Journal of the Physical Society of Japan, 64(9), 1995, pp. 3157-3159
In an antiferroelectric liquid crystal MHPOBC, it was found, by observ
ation of the surface of the free-standing film by means of X-ray diffr
action, that at the surface the SmA(2)-type double layers, which produ
ce a Bragg peak at half the angle of the fundamental reflection, devel
op in all the phases, SmA, SmCalpha, SmC*, SmC(g)amma* and SmCA*.