1. M.S. Dresselhaus, G. Chen, M.Y. Tang, R. Yang, H. Lee, D. Wang, Z. Ren, J.-P. Fleurial, and P. Gogna, Adv. Mater. 19, 1043 (2007).
2. B. Poudel, Q. Hao, Y. Ma, Y. Lan, A. Minnich, B. Yu, X. Yan, D. Wang, A. Muto, D. Vashaee, X. Chen, J. Liu, M.S. Dresselhaus, G. Chen, and Z. Ren, Science 320, 634 (2008).
3. L.P. Bulat, V.B. Osvensky, G.I. Pivovarov, A.A. Snarskii, E.V. Tatyanin, and A.A.O. Tay, Proceedings of the 6th European Conference on Thermoelectrics (Paris, 2008), p. I2-1.
4. L.P. Bulat, I.A. Drabkin, V.B. Osvensky, et al., Thermoelectrics and its Applications (St. Petersburg: Ioffe Fisiko-Teknical Institute, 2008), p. 39.
5. W. Xie, X. Tang, Y. Yan, Q. Zhang, and T.M. Tritt, Appl. Phys. Let. 94, 102111 (2009).