[1] Novoselov K. S., Geim A. K., Morozov S. V., Jiang D., Katsnelson M. I., Grigorieva I. V., Dubonos S. V. and Firsov A. A., Nature 438, 197 (2005).
[2] Zhang Y. P., Yin Y. H., Liu M., Wu Z. X., Shen D. L., Wang C. L. and Zhang H. Y., Journal of Optoelectronics·Laser 24, 190 (2013). (in Chinese)
[3] Gao Y. H., Zhang G., Wang J., Jiang W. L., Gao X. and Bo B. X., Journal of Optoelectronics·Laser 24, 1054 (2013). (in Chinese)
[4] Ryzhii V., Ryzhii M. and Otsuji T., Journal of Applied Physics 101, 083114 (2007).
[5] Ryzhii V., Ryzhii M., Satou A., Otsuji T., Dubinov A. A. and Aleshkin V. Ya, Journal of Applied Physics 106, 084507 (2009).
[6] Ryzhii M. and Rzhii V., Japanese Journal of Applied Physics 46, 151 (2007).
[7] Zhang Y. P., Zhang H. Y., Yin Y. H., Liu L. Y., Zhang X., Gao Y. and Zhang H. Y., Acta Physica Sinica 61, 047800 (2012). (in Chinese)
[8] Ryzhii V., Ryzhii M., Mitin V. and Otsuji T., Journal of Applied Physics 110, 094503 (2011).
[9] Cui Y. D., Liu M. and Zeng C., Laser Physics Letters 11, 055106 (2014).
[10] Dubinov A. A., Aleshkin V. Ya, Mitin V., Otsuji T. and Ryzhii V., J. Phys.: Condens. Matter 23, 145302 (2011).
[11] Ryzhii V., Satou A. and Otsuji T., Journal of Applied Physics 101, 024509 (2007).
[12] Ryzhii V., Otsuji T., Ryzhii M. and Shur M. S., Journal of Physics D-Applied Physics 45, 302001 (2012).
[13] Svintsov D., Vyurkov V., Ryzhii V. and Otsuji T., Journal of Applied Physics 113, 053701 (2013).
[14] Ryzhii V., Ryzhii M., Mitin V., Satou A. and Otsuji T.,Japanese Journal of Applied Physics 50, 094001 (2011).
[15] Ryzhii V., Otsuji T., Ryzhii M., Leiman V. G., Yurchenko S. O., Mitin V. and Shur M. S., Journal of Applied Physics 112, 104507 (2012).
[16] Ryzhii V., Ryzhii M., Mitin V., Shur M. S., Satou A. and Otsuji T., Journal of Applied Physics 113, 174506 (2013).
[17] Ryzhii V., Semenikhin I., Ryzhii M., Svintsov D., Vyurkov V., Satou A. and Otsuji T., Journal of Applied Physics 113, 244505 (2013).
[18] Ryzhii M., Ryzhii V., Otsuji T., Mitin V. and Shur M. S., Physical Review B 82, 075419 (2010).
[19] Falkovsky L. A. and Pershoguba S. S., Physical Review B. 76, 153410 (2007).
[20] Falkovsky L. A. and Varlamov A. A., The European Physical Journal C 56, 281 (2007).
[21] Hanson George W., Journal of Applied Physics 103, 064302 (2008).
[22] Xu X. G., Sultan S., Zhang C. and Cao J. C., Applied Physics Letters 97, 011907 (2010).