Mr. Muhammad Kaleem is a researcher affiliated with the International Islamic University, Islamabad, Pakistan, with expertise in materials science, solid-state physics, and functional oxide materials. His research focuses on the experimental and theoretical investigation of advanced materials, including doped perovskite oxides, with applications in energy, electronics, and emerging functional technologies. He has authored 10 peer-reviewed publications, which have received 21 citations, and holds an h-index of 3, reflecting steady scholarly impact. Mr. Kaleem has actively collaborated with a broad international research network, evidenced by work with over 40 co-authors, demonstrating strong interdisciplinary and cross-institutional engagement. His contributions enhance the understanding of structure–property relationships in advanced materials, supporting technological innovation and knowledge advancement with potential long-term societal benefits in sustainable and high-performance material applications