Awadh JH. Synthesis and Investigation of the Structure and Optical Properties of Nano -Ni-Cr Films. Iraqi Journal of Science [Internet]. 2020 Sep. 29 [cited 2025 Dec. 6];61(9):2251-6. Available from: https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/1130