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 𝒏𝒕𝒉 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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Mestapha Arejdal | Condensed Matter | Member

Dr. Mestapha Arejdal | Condensed Matter | Member

PHD at Mohammed V University, Rabat, Morocco

Mestapha Arejdal, PhD, is a physicist specializing in computational modeling and condensed matter physics. With teaching experience at the University of Marrakech and research tenure at Mohammed V University, Rabat, his work delves into Spintronics and magnetic refrigeration materials. His expertise lies in Monte Carlo simulations and Ab-initio methods, contributing to advancements in energy harvesting and green technologies. Arejdal’s publications in renowned journals and roles as a reviewer underscore his commitment to scientific rigor. Proficient in various programming languages and fluent in French and English, he blends theoretical prowess with practical applications, fostering innovation in physics and beyond.

Professional Profiles:

Academic Background

2014-2017: PhD in Physics, specializing in Computer Physics and Condensed Matter Modeling, Mohammed V University, Rabat, Morocco. 2012-2014: Master in Physics Informatics, Faculty of Sciences, Mohammed V University, Rabat, Morocco. 2011-2012: Licence in Energy Physics, University Ibn ZOHR, Agadir, Morocco. 2009-2011: Diploma of General University Studies in Physics, University Ibn ZOHR, Agadir, Morocco. 2008-2009: Bachelor of Experimental Sciences in Physics, High School Moulay Abdellah Ben Hassain, Agadir, Morocco

Academic Positions

2017-2019: Teacher at the private University of Marrakech. 2017-2019: Researcher at Laboratory of Condensed Matter and Interdisciplinary Sciences (LaMCScI), Faculty of Sciences, Mohammed V University, Rabat, Morocco

Area of Research Interests

Enjoys reading and traveling. Demonstrates strong teamwork, adaptability, flexibility, and autonomy.

Skills

Proficient in modeling and computer science tools such as Matlab, Scilab, Fortran, and Gaussian. Experienced in programming languages like C and C++. Fluent in French and English.

Research Focus:

Specializes in the theoretical study of magnetic properties and the magnetocaloric effect of materials, particularly in Spintronics (Dendrimer models) and magnetic refrigeration materials (MnAs/MnBi). Expertise in Monte Carlo simulations, Ab-initio methods (DFT), and mean-field approximation. Investigates nanomaterials and complex systems for potential applications in energy harvesting and green technologies.

Publications 

  1. Prediction of the magnetocaloric behaviors of the Kekulene structure for the magnetic refrigeration, cited by: 17, Publication date: 2020.
  2. Structural and optical properties of Zn1−x−yAlx SiyO wurtzite heterostructure thin film for photovoltaic applications, cited by: 2, Publication date: 2020.
  3. The theoretical study of the magneto-caloric effect in a nano-structure formed on a Dendrimer structure, cited by: 4, Publication date: 2020.
  4. Magneto-caloric effect in Pb2CoUO6 with the second-order phase transition, Publication date: 2021.
  5. The electronic, magnetic and optical properties of Ba2MUO6 compounds with (M = Ni, Co, Cd and Zn): DFT calculation, cited by: 2, Publication date: 2021.
  6. The magnetic cooling of YTiO3 compound for magnetic refrigeration, cited by: 3, Publication date: 2022.
  7. Magnetic cooling and critical exponents at near room temperature: The SrCoO3 perovskite,Publication date: 2022.
  8. Effect of Thickness Size on Magnetic Behavior of Layered Ising Nanocube Fe/Co/Fe: a Monte Carlo Simulation, Publication date: 2022.
  9. Effects of size for an assembly of core-shell nanoparticles with the cubic structure: Monte Carlo simulations, Publication date: 2022.
  10. Theoretical aspects of magnetic, magnetocaloric, and critical exponents: Nanomaterial model, Publication date: 2023.

 

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Christian Kenfack Sadem | Condensed Matter Physics | Member

Assoc Prof Dr. Christian Kenfack Sadem | Condensed Matter Physics | Member

PHD at University of Abomey Calavi, Benin

Christian Kenfack Sadem, an Associate Professor born on July 26, 1983, in Buea, Cameroon, holds Ph.D.s in Physical Oceanography and Condensed Matter Physics. With a diverse teaching background, including roles as a lecturer and visiting lecturer across Cameroon, he currently serves as an Associate Professor at the University of Dschang. Kenfack’s expertise spans research, teaching, and supervision of junior researchers, focusing on condensed matter physics and exciton-polaron dynamics. Recognized for his teaching excellence, he inspires students to pursue research careers. Kenfack is also skilled in data management and scientific software, contributing significantly to climate modeling.

Professional Profiles:

Education

Ph.D. in Physical Oceanography and Applications, University of Abomey Calavi, Benin, May 2021 Ph.D. in Condensed Matter Physics, University of Dschang, Cameroon, November 2011 Masters in Physical Oceanography and Applications, University of Abomey Calavi, Benin, November 2010 M.Sc. in Condensed Matter Physics, University of Dschang, Cameroon, June 2008 B.Sc. in General Physics, University of Ngaoundere, Cameroon, September 2005

Employment History

Associate Professor: University of Dschang, Cameroon (2019 – Present) Lecturer and Visiting Lecturer: Various institutions in Cameroon (2012 – 2019) Visiting Lecturer: National Polytechnic Bambui, Cameroon (2008 – 2009) Visiting Lecturer: Intitut Privé Polyvalent la Reforme, Cameroon (2007 – 2008)

Teaching Activities

Taught a range of courses including Statistical Physics, Group Theory, General Physics, Electromagnetism, and more

Prizes, Awards, Fellowships

Received various scholarships and fellowships including the Mwalimu Nyerere African Union Scholarship and the DAAD fellowship. Conducted groundbreaking research in the field of condensed matter physics, particularly in the areas of exciton-polaron dynamics and optical properties of transition metal dichalcogenides

Research Focus:

Christian Kenfack Sadem has contributed significantly to various scientific publications, including “Mobility and Decoherence of Bipolaron in Transition Metal Dichalcogenides Pseudodot Quantum Qubit” published in the Iranian Journal of Science. Additionally, he has co-authored articles such as “Enhancement of the group delay in quadratic coupling optomechanical systems subjected to an external force” in Chinese Physics B and “First principle investigation of electronic and optical properties of graphene/h-BN bilayers using Tran-Blaha-modified Becke-Johnson potential” in Optical and Quantum Electronics. His research covers a wide range of topics, including exciton-polaron dynamics, optical properties of graphene, and magnetic barrier effects on transition metal dichalcogenides.

Publications 

  1. Deformation and size effects on electronic properties of toroidal quantum dot in the presence of an off-center donor atom, cited by: 5, Publication date: 2022.
  2. The intensity and direction of the electric field effects on off-center shallow-donor impurity binding energy in wedge-shaped cylindrical quantum dots, cited by: 18, Publication date: 2022.
  3. Magnetic barrier and temperature effects on optical and dynamic properties of exciton-polaron in monolayers transition metal dichalcogenidescited by: 1, Publication date: 2022.
  4. Impacts of an initial axial force and surface effects on the dynamic characteristics of a bioliquid-filled microtubule in cytosol, Publication date: 2022.
  5. A Ginzburg-Landau approach to field theories for single, isolated zero-dimensional superconductors, Publication date: 2022.
  6. Magnetic barrier and electric field effects on exciton-polaron relaxation and transport properties in transition metal dichalcogenide monolayers, Publication date: 2023.
  7. First principle investigation of electronic and optical properties of graphene/h-BN bilayers using Tran-Blaha-modified Becke-Johnson potential, Publication date: 2023.
  8. Enhancement of the group delay in quadratic coupling optomechanical systems subjected to an external force, Publication date: 2023.
  9. Mobility and Decoherence of Bipolaron in Transition Metal Dichalcogenides Pseudodot Quantum QubitPublication date: 2024.

 

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