1. Z. Fan, J.G. Lu, J. Nanosci. Nanotechnol. 5, 1561–1573 (2005)
2. E. Asikuzun, O. Ozturk, L. Arda, D. Akcan, S.D. Senol, C. Terzioglu, J. Mater. Sci. 26, 8147–8159 (2015)
3. Y. Caglar, M. Caglar, S. Ilican, Curr. Appl. Phys. 12, 963–968 (2012)
4. C. Wagner, W. Schottky, Z. Phys, Chem. B. 11, 163–210 (1930)
5. B.C. Steele, Electronic Ceramics (Springer, New York, 1991)