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个人简介
Name: Dr. Emmanuel Igumbor:
General research: Theoretical and Computational Physics
Main research: Solid State Physics, Condensed Matter Physics Material Science and Computational Physics
Dr Emmanuel Igumbor is an experienced Teacher and Postdoctoral Fellow with a demonstrated history of working in the higher education industry. He is skilled in Materials Science, Physics, Applied Mathematics, Statistical Data Analysis, and Computational Physics. Strong research professional with a Bachelor of Science-BSc focused in Mathematics and Statistics, Master of Science-MSc focused in Theoretical Physics and Doctor of Philosophy - PhD focused in Physics from University of Pretoria
My main research area is Theoretical and Computational Physics, focusing on modelling and simulation of point defects in wide and narrow band gap semiconductors, transition metals and graphene-based materials. I study these materials for possible discovery of new improved functional semiconductor for applications in nano and optoelectronic. My projects involve using the density functional theory (DFT) and post-DFT to predict the structural, electronic, and optical properties of these materials to understanding their behavior and improve their performances to meet the current and future technologies. The understanding of the theoretical predictions of new semiconductor materials in collaboration with experimental groups is a focal point of my research activities for the past ten (10) years.
Due to their interesting properties, the applications of nanoelectronics and nanophotonic devices in information technology, electronics and healthcare are increasing. Important materials used for nanoelectronics and nanophotonic devices are novel functional materials -diamond, graphene, boron-nitride, functional oxides, 2D TMDs and organic semiconductors. These materials have been successfully implemented for application in recent information technology, health, biomedical and electronic devices. However, their applications have some inherent challenges, which impact on their intrinsic properties and functionalities. For instance, their defect processes and catalysis due to their doping and surfaces absorption at the nano scale are not fully understood. Their applications are also impacted by the presence of defects via different engineering procedures. There are more to be reported as how defect influences the optical and photonic properties of several materials and how chemical absorptions of external impurities are modulated. In addition, while defects in semiconducting materials improved their electrical properties and the killer defects are detrimental, doping of heterogeneous and organic semiconductors have proven to be an excellent technique to obtain improve materials which has numerous applications. Consequently, several new functional materials and their defect introduced for enhance performances need to be investigated.
My research is focused on the discovery of new functional materials that could improve the application of nano electronic and nanophotonic. The study will focus on the discovery of interesting defects that may influence positively the new functional material. The research will cut across thin film and semi-conductor processing, transport of excess charge carriers, discovery of novel behaviors and insight for defect gettering of the new materials.
研究兴趣
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Nanoenergy Advancesno. 1 (2024): 122-132
Journal of Computational Electronicspp.1-10, (2024)
Emmanuel Igumbor, Moise Dongho-Nguimdo,Edwin Mapasha,Rajendran Kalimuthu,Abdulrafiu Raji,Walter Meyer
Journal of Electronic Materialsno. 4 (2024): 1903-1912
Mbolahasina Ralijaona,Emmanuel Igumbor,Muaaz Bhamjee,Kennedy Otwombe,Firdaus Nabeemeeah, Minja Milovanovich,Neil Martinson, Pedro Mafa, Lerothodi Leeuw,Simon Connell
SSRN Electronic Journal (2021)
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