596125.fig.001a
(a)
596125.fig.001b
(b)
596125.fig.001c
(c)
Figure 1: Chemical formulas of (a) nematic host, E7, (b) MR: “4-dimethylaminoazobenzene-2′-carboxylic acid”, DMAABCA, and (c) fullerene, C60.