1. R. Feynman, Science 254, 1300–1301 (1991)
2. M. Rahimi-Nasrabadi, M. Behpour, A. Sobhani-Nasab, S. Mostafa Hosseinpour-Mashkani, J. Mater. Sci. 26, 9776–9781 (2015)
3. S. Mostafa Hosseinpour-Mashkani, A. Sobhani-Nasab, J. Mater. Sci. 27, 7548–7553 (2016)
4. A. Sobhani-Nasab, M. Behpour, J. Mater. Sci. 27, 11946–11951 (2016)
5. J. Das, D.K. Mishra, D.R. Sahu, B.K. Roul, Mater. Lett. 65, 598–601 (2011)