Ayed Najim Salih, Usama Ibrahim Hassan. Study the effect of the type and nature of the substrate on the optical properties of the thin films of (NiO) prepared by spin coating method. Tikrit J. Pure Sci. [Internet]. 2023 Feb. 8 [cited 2024 Jul. 3];20(1):126-31. Available from: https://tjps.tu.edu.iq/index.php/tjps/article/view/1145