1. V. V. Danilov, G. V. Klimusheva, L. I. Zagaĭnova, and A. I. Khrebtov, Khim. Fiz. 8, 214 (1989).
2. X. Chen, A. Nazzal, and D. Goorskey, Phys. Rev. B 64, 245304 (2001).
3. J. Hu, L. Li, W. Yang, et al., Science 292, 2060 (2001).
4. K.-J. Wu, K.-C. Chu, C.-Y. Chao, and Y.-F. Chen, Nano Letters 7(7), 1908 (2007).
5. J. Cognard, Alignment of Nematic Liquid Crystals and Their Mixtures (Gordon and Breach Science Publishers, New York, 1982; Universitetskoe, Minsk, 1986).