“Spectral and Electrical Characteristics of Nanostructured NiO TiO2 Heterojunction Fabricated by DC Reactive Magnetron Sputtering”. IRAQI JOURNAL OF MATERIALS 3, no. 3 (June 20, 2024): 39–44. Accessed September 5, 2026. https://ijmaterials.com/index.php/ijm/article/view/66.