[1] R. Maitra, S. Bose, Int. J. Adv. Res. Tech. 1 (2012) 173-177.
[2] C. Chen, Y. Shi, Y. Zhang, J. Zhu, Y. Yan, Phys. Rev. Lett. 96 (2006) 075505.
[3] G.-F. Wang, X.-Q. Feng, App. Phys. Lett. 94 (2009) 141913.
[4] H. Xiang, J. Yang, J. Hou, Q. Zhu, App. Phys. Lett. 89 (2006) 223111.
[5] M.-H. Zhao, Z.-L. Wang, S.X. Mao, Nano Lett. 4 (2004) 587-590.
[6] M. Gurtin, J. Weissmüller, F. Larche, Philos. Mag. A, 78 (1998) 1093-1109.
[7] J. He, C.M. Lilley, Nano Lett. 8 (2008) 1798-1802.
[8] Z. Yan, L.Y. Jiang, Nanotechnology, 22 (2011) 245703.
[9] Z. Yan, L. Jiang, J. of Phys. D: App. Phys. 44 (2011) 075404.
[10] Y. Li, J. Song, B. Fang, J. Zhang, J. Phys. D: App. Phys. 44 (2011) 425304.
[11] P.X. Gao, J. Song, J. Liu, Z.L. Wang, Adv. Mater. 19 (2007) 67-72.
[12] G.Y. Huang, S.W. Yu, Phys. Status Solidi (b), 243 (2006) R22-R24.
[13] G.-F. Wang, X.-Q. Feng, Appl. Phys. Lett. 90 (2007) 231904.
[14] Y. Li, C. Chen, B. Fang, J. Zhang, J. Song, Int. J. App. Mech. 4 (2012) 1250018.