[1] C. Bulutay, C. M. Turgut and N. A. Zakhleniuk, Physical Review B 81, 155206 (2010).

[2] H. J. Hovel and J. J. Cuomo, Appl. Phys. Lett. 20, 71 (1972).

[3] X. M. Cai, F. Ye, S. Y. Jing, D. P. Zhang, P. Fan and E. Q. Xie, Applied Surface Science 255, 2153 (2008).

[4] J. Liu, Z. Cai and G. Koley, Journal of Applied Physics 106, 124907 (2009).

[5] A. O. Ajagunna, A. Adikimenakis, E. Iliopoulos, K. Tsagaraki, M. Androulidaki and A. Georgakilas, Journal of Crystal Growth 311, 2058 (2009).

[6] S. Ruffenach, O. Briot,M. Moret and B. Gil, Applied Physics Letters 90, 153102 (2007).

[7] A. K. S. Chauhan, M. Kumar and G. Gupta, Applied Surface Science 345, 156 (2015).

[8] M. Amirhoseiny, S. S. Ng and Z. Hassan, Materials Science in Semiconductor Processing 35, 216 (2015).

[9] H. T. Mengistu and A. García-Cristóbal, Materials Science in Semiconductor Processing 55, 85 (2016).

[10] H. Yang, J. Yin, W. Li, F. Gao, Y. Zhao, G. Wu, B. Zhang and G. Du, Vacuum 128, 133 (2016).

[11] H. Y. Zhang, Optoelectronics Letters 12, 81 (2016).

[12] S. H. Abud, A. M. Selman and Z. Hassan, Superlattices and Microstructures 97, 586 (2016).

[13] H. Ma and H. Y. Zhang, Optoelectronics Letters 11, 95 (2015).

[14] M. B. Bouzour, A. En Naciri, A. Moadhen, H. Rinnert, M. Guendouz, Y. Battie, A. Chaillou d, M.-A. Zabi and M. Oueslati, Materials Chemistry and Physics 175, 233 (2016).

[15] A. A. Ensafi, N. Ahmadi and B. Rezae, Sensors and Actuators B 239, 807 (2017).

[16] Y. Li, W. Liu, P. Zhang, H. Zhang, J. Wu, J. Ge and P. Wang, Biosensors and Bioelectronics 90, 117 (2017).

[17] E. Nativ-Roth, K. Rechav and Z. Porat, Thin Solid Films 603, 88 (2016).

[18] C. Rodriguez, P. Laplace, D. Gallach-Péreza, P. Pellacani, R. J. Martín-Palma, V. Torres-Costa, G. Ceccone and M. Manso Silván, Applied Surface Science 380, 243 (2016).

[19] I. Haddadi, S. B. Amor, R. Bousbih, S. E. Whibi, A. Bardaoui, W. Dimassi and H. Ezzaouia, Journal of Luminescence 173, 257 (2016).

[20] H. Lu and W. J. Schaff, Physical Review B 77, 045316 (2008).