抄録
Local layer response of ferroelectric and antiferroelectric liquid crystals (FLC and AFLC, respectively) was measured using a synchrotron time resolved microbeam X-ray diffraction simultaneously with an optical response. The layer deformation process in AFLC under a triangular electric field had a double hysteresis similar to the transmittance. On the other hand, in FLC, the local layer modulated while the optical response was kept constant Detail of the transient local layer response of FLC was clarified by the time resotved microbeam X-ray diffraction to a step form electric field. The horizontal chevron structure at high field was relaxed within 0.1ms to the quasi-bookshelf structure at 0V. This process is similar to the deformation of the ferroelectric state of AFLC.
