1. D.C. Ko, S.K. Lee, B.M. Kim, H.H. Jo, and H. Jo, J. Mater. Process. Technol. 22, 186 (2007).
2. B.X. Liu, J.Y. Wei, M.X. Yang, F.X. Yin, and K.C. Xu, Vaccum (2018). https://doi.org/10.1016/j.vacuum.2018.05.022.
3. W. Grünberger, M. Heilmaier, and L. Schultz, Mater. Sci. Eng. A 127, 303 (2001).
4. S. Ivanov, D. Markovich, L. Stuparevich, and D. Guskovich, Bull. Mater. Sci. 131, 19 (1996).
5. T. Baudin, A.L. Etter, and R. Penelle, Mater. Charact. 947, 58 (2007).