Abstract
The layer and molecular orientational structures have been investigated by X-ray microbeam diffraction and optical birefringence measurements in the frustrated smectic phase of a bent-shaped molecule with two mesogens linked by an alkylene spacer. In the X-ray microbeam measurement, only one diffraction peak indicating (002) was observed in a thin homogeneous cell without an electric field, while two other peaks corresponding to (101) and (10text-decoration:underline'1) also appear by applying the field. Moreover, it was also found that the birefringence under an applied field is larger than that without the field. These results led to the conclusion that molecules reorient due to dielectric anisotropy keeping the frustrated structure.
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