Walter Sisulu University | South Africa

Dr. Fikadu Takele Geldasa is an Assistant Professor of Physics at Walter Sisulu University, South Africa, and Oda Bultum University, Ethiopia. He has published 19 Scopus-indexed research papers, received more than 323 citations, and holds an h-index of 6. He obtained his Ph.D. in Materials Physics from Adama Science and Technology University. His research focuses on experimental and computational studies of functional nanomaterials using density functional theory (DFT) and materials characterization techniques. Dr. Geldasa works on the structural, electronic, and optical properties of doped metal oxides, perovskites, and semiconductor materials for applications in photocatalysis, energy conversion, and environmental remediation. His recent works on doped TiO₂ and α-NiS nanostructures provide insights into bandgap engineering and defect tuning for enhanced visible-light photocatalytic activity. He has published his research in leading journals such as Scientific Reports, Nanomaterials, Materials, and Physica Scripta. His interdisciplinary research integrates theory and experiment to develop advanced materials for renewable energy and sustainable technology. Through his scientific contributions, Dr. Geldasa is establishing himself as a promising researcher in materials physics and computational materials science, contributing significantly to the progress of clean energy and environmental technologies.