Mr. Shewa Getachew Mamo | Best Researcher Award

Wolkite University | Ethiopia

Shewa Getachew is a physicist at Wolkite University with an MSc in Physics and an emerging research profile in plasmonics, nonlinear optics, and nanocomposite photonics. With an h-index of 2, eight indexed documents, and ten citations from four sources, his work focuses on the optical properties of core–shell nanostructures, including refractive index engineering, group velocity modulation, optical bistability, and local field enhancement in metal–dielectric composites. His publications span reputable journals such as Physica E, Brazilian Journal of Physics, Applied Physics B, Optical Review, Canadian Journal of Physics, and The European Physical Journal D. His research explores size-, geometry-, and dielectric-dependent plasmonic responses in nanomaterials, contributing to slow- and fast-light applications, nonlinear optical switching, and photonic device optimization. He has also conducted interdisciplinary studies in phytochemistry and higher education pedagogy. As a physics lecturer, he integrates theoretical modeling with computational simulation to advance understanding of nano-optical phenomena. His contributions were recognized with the ScienceFather Best Innovation Award (Physics and Astronomy) in 2024. Overall, his work continues to support the development of advanced photonic materials with tunable optical responses for next-generation nanotechnology applications.

Featured Publications

Getachew, S. (2026). Size and dielectric-dependent plasmonic resonances in CdS@Ag core–shell quantum dots: Field enhancement, dispersion, and slow-light effects. Physica E: Low-Dimensional Systems and Nanostructures. https://doi.org/10.1016/j.physe.2025.116371

Getachew, S. (2025). Size-dependent dispersion and slow-light effects in CdS@Ag core-shell quantum dots: A theoretical study of plasmonic resonances and group velocity modulation. Brazilian Journal of Physics. https://doi.org/10.1007/s13538-025-01906-7

Getachew, S. (2025). Geometric and dielectric engineering of linear optical response in CdS@Ag core–shell quantum dots: A theoretical study of plasmonic enhancement and host effects. Applied Physics B. https://doi.org/10.1007/s00340-025-08578-w

Getachew, S. (2025). Geometric shape’s impact on core-shell nanocomposites’ optical properties. Journal of Computational Electronics. https://doi.org/10.1007/s10825-025-02388-1

Prof. Adel Asheri | Best Researcher Award

National Research Centre | Egypt

Professor Adel Ashery is a distinguished physicist and head of the Department of Solid State Physics at the National Research Center (NRC), Cairo, Egypt. He earned his Ph.D. in Physics from the Leningrad Institute of Electronic Engineering (Russia) in 1990, following a B.Sc. in Physics from Cairo University (1982) and a Science Diploma from Russia (1987). With an extensive academic and research career, Professor Ashery has made significant contributions to the fields of solid-state physics, semiconductor devices, and thin-film technology. His research primarily focuses on the preparation and characterization of single-crystal devices and thin films using advanced techniques such as liquid phase epitaxy, electrochemical ionization, sol-gel methods, photolithography, and chemical vapor deposition. He has authored over 89 scientific publications, accumulating 996 citations and an h-index of 17, demonstrating his impactful scholarship. His recent works explore interfacial engineering, dielectric tunability, and optoelectronic properties of novel heterojunction structures, contributing to advancements in resistive memory, RRAM, and high-κ electronics. Professor Ashery’s dedication to experimental innovation and material development has positioned him as a leading researcher in condensed matter and electronic materials science, continuing to inspire progress in semiconductor device engineering.

Profiles : Scopus | Orcid

Featured Publications

Ashery, A. (2025). Interfacial engineering and dielectric tunability in Ag/Al/SiO₂/n-Si/Ag heterostructures: Novel insights for resistive memory and high-κ electronics. Physica B: Condensed Matter, 417758.

Ashery, A. (2025). Ag/MWCNTs-PVA composite/n-Si/Ag exhibits a novel combination of high electrical conductance and tunable capacitance in magnitude and sign. ECS Journal of Solid State Science and Technology.

Ashery, A., Gaballah, A. E. H., Elmoghazy, E., & Kabatas, M. A. B. M. (2025). Investigation of the optoelectronic properties of a novel polypyrrole–multi-well carbon nanotubes/titanium oxide/aluminum oxide/p-silicon heterojunction. Nanotechnology Reviews, 14(1), 20250174.

Ashery, A., Gaballah, A. E. H., Elnasharty, M. M. M., & Kabatas, M. A. B. M. (2024). Dielectric properties of epitaxially grown lattice-mismatched GaAs/p-Si heterojunction diode. iScience, 27(9).

Ashery, A., Gaballah, A. E. H., Turky, G. M., & Basyooni-Murat Kabatas, M. A. (2024). Gel-based PVA/SiO₂/p-Si heterojunction for electronic device applications. Gels, 10(8), 537.

Ashery, A., Gaballah, A. E. H., & Farag, A. A. M. (2024). Optical characterization of high-quality spin-coated PVA nanostructured films for photo-sensing application. Physica B: Condensed Matter, 687, 416088.