A. Khadyair, Abdulhussain, and Basim A. Zije. “Preparation of Al2O3 Thin Films by Magnetron Sputtering System and Study Their Optical and Structural Properties”. Journal of Kufa-Physics, vol. 10, no. 01, June 2018, pp. 20-28, doi:10.31257/2018/JKP/100103.