Researcher | Saint Petersburg State University | Egypt
Dr. Ahmed Hassan Abdelrahman Elmekawy is a researcher in Condensed Matter Physics, specializing in magnetic nanowires, FORC (First-Order Reversal Curve) analysis, micromagnetic modeling, and nanoscale magnetism. He is affiliated with JINR, St. Petersburg State University, and the Cyclotron Project at the Egyptian Atomic Energy Authority (EAEA). His work bridges theoretical modeling and advanced experimental techniques for understanding magnetic behavior in low-dimensional nanostructures.Dr. Elmekawy has authored 11 scientific publications, accumulating 71 citations, with an h-index of 4 and an i10-index of 3, reflecting his growing visibility and influence in nanomagnetism research. His contributions focus on unraveling magnetization dynamics internal magnetic interactions and structural property relationships in iron and Ni/Cu nanowire arrays which are foundational materials for next-generation spintronic devices magnetic sensors and energy-efficient data storage systems.Among his notable works his publication Magnetic Properties and FORC Analysis of Iron Nanowire Arrays stands as a highly cited study that advanced the interpretation of magnetic interactions through FORC techniques. His subsequent studies including âMagnetic Properties of Ordered Arrays of Iron Nanowires: The Impact of Length and Effect of Interactions and Non-uniform Magnetic States on Magnetization Reversal  further deepened scientific understanding of nanoscale magnetism and geometrical effects on magnetization reversal mechanisms.His recent publications in Nano-Structures & Nano-Objects and Journal of Magnetism and Magnetic Materials highlight significant advancements in correlating FORC measurements with micromagnetic simulations demonstrating compatibility between theoretical modeling and experimental observations. These studies provide new frameworks for evaluating internal magnetic interactions in segmented and non-segmented nanowire systems offering new tools for material optimization.In addition to nanomagnetism Dr. Elmekawy has contributed to nuclear physics particularly through work on proton and antiproton scattering from He using Glauber multiple scattering models. His interdisciplinary collaborations span Russia, Egypt, and Europe, showcasing strong international engagement.Dr. Elmekawyâs research contributes to societal and technological innovation by supporting the development of advanced magnetic materials crucial for secure communication systems biomedical imaging energy systems and miniaturized electronic components. His scientific trajectory reflects a commitment to precision collaboration and impactful discovery.
Featured Publications
1.Elmekawy, A. H. A., Iashina, E. G., Dubitskiy, I. S., Sotnichuk, S. V., & Bozhev, I. V., et al. (2020). Magnetic properties and FORC analysis of iron nanowire arrays. Materials Today Communications, 25, 101609. Cited By: 26
2.Elmekawy, A. H. A., Iashina, E., Dubitskiy, I., Sotnichuk, S., Bozhev, I., & Kozlov, D., et al. (2021). Magnetic properties of ordered arrays of iron nanowires: The impact of the length. Journal of Magnetism and Magnetic Materials, 532, 167951. Cited By: 20
3.Dubitskiy, I. S., Elmekawy, A. H. A., Iashina, E. G., Sotnichuk, S. V., & Napolskii, K. S., et al. (2021). Effect of interactions and non-uniform magnetic states on the magnetization reversal of iron nanowire arrays. Journal of Superconductivity and Novel Magnetism, 34(2), 539â549. Cited By: 16
4.Mistonov, A. A., Dubitskiy, I. S., Elmekawy, A. H. A., Iashina, E. G., & Sotnichuk, S. V., et al. (2021). Change in the direction of the easy magnetization axis of arrays of segmented Ni/Cu nanowires with increasing Ni segment length. Physics of the Solid State, 63(7), 1058â1064. Cited By: 7
5.Nabiyev, A. A., Mustafayev, I. I., Mehdiyeva, R. N., Nuriyev, M. A., & Andreev, E. V., et al. (2025). PostâÎłâirradiation effects in nano-SiO2 particle reinforced high-density polyethylene composite films: Structureâproperty relationships, thermal stability, and degradation. Polymer Composites. Cited By: 1
Dr. Ahmed Elmekawyâs research in magnetic nanowires and FORC analysis advances fundamental understanding of nanoscale magnetism, enabling innovations in spintronics, high-density data storage, and energy-efficient magnetic devices. His interdisciplinary work bridges theory and experiment, contributing to technological development, materials science, and global scientific progress.