Emmanuel Adeyefa | Theoretical Physics | Member

Assoc Prof Dr. Emmanuel Adeyefa | Theoretical Physics | Member

PHD at University of Ilorin, Nigeria

Dr. Emmanuel Oluseye Adeyefa is a distinguished mathematician and academic leader from Nigeria. With a Ph.D. in Mathematics from the University of Ilorin, he currently serves as a Reader at the Department of Mathematics, Federal University Oye-Ekiti. His administrative roles include acting as Head of Department and Postgraduate Coordinator. With a passion for teaching, he has instructed various courses and supervised numerous undergraduate and postgraduate projects. A committed scholar, he actively participates in conferences and workshops, contributing to advancements in mathematics and cryptography. Beyond academia, he engages in community service and enjoys activities such as reading, football, and music.

Professional Profiles:

Education

Ph.D. in Mathematics, University of Ilorin, 2014 M.Sc. in Mathematics, University of Ilorin, 2007 B.Sc. in Mathematics, University of Ilorin, 2003 PGD in Education, Obafemi Awolowo University, 2014

Administrative Experience

Acting Head, Department of Mathematics Postgraduate Coordinator University Examination Committee Member Level Adviser/Coordinator Departmental Seminar Coordinator Staff Secretary Various Committee Memberships and Chairmanships. Federal University Wukari, Taraba State Oduduwa University, Osun State Southern Institute of Innovative Technology (SNIIT Polytechnic), Osun State

Teaching Experience

Various courses in Mathematics including Linear Algebra, Mathematical Packages, Vector and Tensor Analysis, Real Analysis, Mathematical Methods, Analytical Dynamics, Fluid Dynamics, and Numerical Analysis.

Awards

Recipient of various awards including Departmental Best Graduating Student and Best Lecturer of the year.

Research Focus:

Dr. Emmanuel Oluseye Adeyefa’s research focus primarily revolves around the development and application of advanced numerical methods for solving various classes of ordinary and partial differential equations. His work spans topics such as direct integration methods, orthogonal basis function formulations, hybrid block methods, and collocation approaches. Additionally, he explores the use of polynomial and orthogonal basis functions, particularly Chebyshev polynomials, in continuous formulations of numerical solvers. Adeyefa’s contributions bridge mathematical theory with practical applications, showcasing his expertise in computational mathematics and algorithm development, with potential applications in cryptography and queueing systems.

Publications

  1. Error estimation of the integral tau method for fourth order overdetermined ODES, Publication: 2023.
  2. Integral tau Method for Certain Over-determined Fourth-Order Ordinary Differential Equations., Publication: 2023.
  3. A Generalized Series Solution of đť’Źđť’•đť’‰ Order Ordinary Differential Equations, Publication: 2023.
  4. Improved 2-Point Hybrid Block Model for Direct Integration of Third and Fourth-Order Initial Value Problems, Publication: 2023.
  5. Algebraic characterization of Ifa main divination codes, Publication: 2023.
  6. Ninth-order Multistep Collocation Formulas for Solving Models of PDEs Arising in Fluid Dynamics: Design and Implementation Strategies, Publication: 2023.
  7. Hybrid block methods with constructed orthogonal basis for solution of third-order ordinary differential equations, Publication: 2023.
  8. A continuous five-step implicit block unification method for numerical solution of second-order elliptic partial differential equations, Publication: 2023.
  9. Implicit hybrid block methods for solving second, third and fourth orders ordinary differential equations directly, Publication: 2022.
  10. New developed numerical formula for solution of first and higher order ordinary differential equations, Publication: 2022.
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Al-Hattab Mohamed | Physics | Member

Dr. Al-Hattab Mohamed | Physics | Member

PHD at Sultan Moulay Slimane University, Morocco

Mohamed Al-Hattab is a dedicated researcher specializing in Physics of Materials and Energy. He completed his Ph.D. at Sultan Moulay Slimane University, focusing on the properties of the semiconductor GaSe. With expertise in scanning electron microscopy, X-ray crystallography, and spectroscopy, Mohamed has contributed to various publications in prestigious journals like Solar Energy and Nanoparticle Research. He actively engages in educational activities, supervising students and presenting at international conferences. As a reviewer for prominent journals, Mohamed continues to advance research in his field, affiliated with the Research Laboratory in Physics and Sciences for Engineers at Sultan Moulay Slimane University.

Professional Profiles:

Education

Ph.D. in Physics of Materials and Energies Sultan Moulay Slimane University, Beni Mellal, Morocco (2018 – 2022) Advisor: Khalid Rahmani Dissertation: Study of the structural, electronic, optical, and elastic properties of the lamellar semiconductor (GaSe) Master in Advanced Materials Sultan Moulay Slimane University, Beni Mellal, Morocco (2015 – 2018) Bachelor’s degree in Physical Sciences, Electronics option Cadi Ayyad University, Marrakech, Morocco (2011 – 2015) Advisor: Amal Rajirae Dissertation: Study of the properties of the lamellar material GaSe used as an absorber in photovoltaic cells

Skills

Scanning Electron Microscope X-ray Crystallography UV-Visible Spectroscopy and Raman Spectroscopy Simulation (Biovia Material Studio 2017, SCAPS-1D, MATLAB, Silvako

Research Focus:

Mohamed Al-Hattab is a versatile researcher with a primary focus on materials science and renewable energy technologies. His contributions span various aspects of solar cell design and optimization, including numerical modeling, density functional theory (DFT) investigations, and experimental studies. With expertise in tandem solar cells, perovskite materials, and semiconductor physics, Mohamed’s research aligns with advancing eco-friendly and efficient photovoltaic devices. He collaborates extensively with multidisciplinary teams, emphasizing the integration of theoretical insights with practical applications. Through his work, Mohamed strives to enhance the performance and sustainability of solar energy technologies for a greener future. Physics

Publications 

  1. Experimental and numerical study of the CIGS/CdS heterojunction solar cell,  Publication date: 2023.
  2. Novel Simulation and Efficiency Enhancement of Eco-friendly Cu2FeSnS4/c-Silicon Tandem Solar Device, cited by: 4, Publication date: 2023.
  3. Ab Initio Investigation for Solar Technology on the Optical and Electronic Properties of Double Perovskites Cs2AgBiX6(X=Cl, Br, I), Publication date: 2023.
  4. Thermodynamic, optical, and morphological studies of the Cs2AgBiX6 double perovskites (X = Cl, Br, and I): Insights from DFT study, cited by: 16, Publication date: 2023.
  5. Ag2BeSnX4(S, Se,Te)-based kesterite solar cell modeling: A DFT investigation and Scaps-1 danalysis,Publication date: 2023.
  6. Numerical Simulation of CdS/GaSe Solar Cell Using SCAPs Simulation Software, Publication date: 2022.
  7. Density Functional Theory Study on the Electronic and Optical Properties of Graphene, Single-Walled Carbon Nanotube and C60, Publication date: 2022.
  8. Quantum confinement in GaN/AlInN asymmetric quantum wells for terahertz emission and field of optical fiber telecommunications, Publication date: 2024.
  9. Cu2BaSnS4/Cu2FeSnS4 combination for a good light absorption in thin-film solar cells—a numerical model, Publication date: 2024.
  10. Performance assessment of an eco-friendly tandem solar cell based on double perovskite Cs2AgBiBr6, Publication date: 2024.

 

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