Optical, Structural, Morphological Properties of Chromium (III) Oxide Nanostructure Synthesized Using Spray Pyrolysis Technique. IJP [Internet]. 2021 Dec. 1 [cited 2024 Apr. 27];19(51):79-86. Available from: https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/692