Hosam M Gomaa | Material Science | Member

Dr. Hosam M Gomaa | Material Science | Member

PHD at Faculty of Science, Al-Azhar University, Cairo, Egypt

Dr. Hosam M. Gomaa, based in Giza, Egypt, is an accomplished physicist specializing in Solid State Physics. With a background from Al-Azhar University, Cairo, he has lectured extensively in Libya and Egypt, covering diverse topics from General Physics to Optics. Currently affiliated with the Pharaohs Higher Institute, his research spans Materials, Optics, and Physics, focusing on areas like Oxide Glasses and Nanomaterials. Dr. Gomaa is known for his expertise in Thermal Analysis and Spectral Techniques. He has been an integral part of prestigious scientific teams, contributing significantly to Mossbauer Effect and Nanoscience research labs.

Professional Profiles:

Educational Qualifications

B. Sc. of Physics, Physics Department, Faculty of Science, Al-Azhar University, Cairo, Egypt, 1999/2000 M. Sc. of Solid State Physics, Department of Physics, Faculty of Science, Al-Azhar University, Cairo, Egypt, 2005 Ph. D. of Solid State Physics, Department of Physics, Faculty of Science, Al-Azhar University, Cairo, Egypt, 2008

Statement of Previous Experience:

Formal Lecturer (Assistant Professor) of Physics, Department of Physics, Faculty of Arts and Sciences, Sert University, Libya, 2009-2015 Lecturer (Assistant Professor) of Engineering Physics, Department of Physics, Faculty of Engineering Technology, Sert University, Libya, 2009-2015 Formal Tutor (Assistant Professor) of Basic Sciences (Physics, Electrical Engineering, Fundamentals of Electronics, Optics), Optical Branch, High Institute of Optical Technology, Cairo, Egypt, 2016-2020

Research Focus:

Dr. Hosam M. Gomaa’s research primarily focuses on the optical and structural properties of various glass systems, with a particular emphasis on bismuth borate glasses. His work encompasses the investigation of dopants like zinc, calcium, and niobium, and their effects on linear and nonlinear optical parameters. Additionally, he explores the structural modifications induced by the inclusion of different metal oxides, such as vanadium, copper, and titanium. Dr. Gomaa’s research contributes significantly to the understanding of glass materials for optoelectronic applications and radiation shielding. His studies offer valuable insights into the development of novel glass compositions with tailored optical and functional properties.

Publications

  1. Non-zero θ13 and δCP phase with A4 flavor symmetry and deviations to tri-bi-maximal mixing via Z2 × Z2 invariant perturbations in the neutrino sector, Publication: 2024.
  2. Effect of replacing B2O3 with Dy2O3 on the structural, physical, and radiation shielding properties of sodium boroaluminate glass, Publication: 2024.
  3. Investigating La2O3-enriched glass compositions: thermal, optical, structural properties and Gamma-Ray shielding efficiency, Publication: 2024.
  4. Photoimpedance spectroscopy of ZnTe/ZnMnTe heterojunction for photodetector devices using Cole–Cole diagrams and relaxation time processPublication: 2023.
  5. Effect of BaO doping on the structural and optical properties of some cerium-copper sodium borate glasses, Publication: 2023.
  6. Estimate of the effect of adding CoCl 2 in different amounts on the structural, optical properties, and the radiation shielding ability of arsenic borate glasses containing Na+, Ca++, and Pb++ cations, Publication: 2023.
  7. New mathematical formulas for more accurate physical descriptions of the optical and optoelectric conductivities of an optical medium, Publication: 2023.
  8. Effect of Graphene Nanopowder on the Structural and Optical Characteristics of Lead Borovanadate Glass Containing Ca2+ and Na+ Cations, Publication: 2023.
  9. Structural properties, linear, and non-linear optical parameters of ternary Se80Te(20−x)Inx chalcogenide glass systemsAnálisis estructural y parámetros ópticos lineales y no lineales de sistemas ternarios de vidrio de calcogenuro de composición Se80Te(20-x)Inx, Publication: 2023.
  10. Toward a novel and accurate relationship between electrical and optical conductivity in opto-material sciences: New strategyPublication: 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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Houda Jebari | Materials Science | Member

Mrs. Houda Jebari | Materials Science | Member

PHD at Mohammed V University of Rabat, Morocco

Houda Jebari is a Ph.D. student in Physics specializing in Condensed Matter and Modeling of Systems at the Laboratory of Condensed Matter and Interdisciplinary Sciences (LaMCSci) at Mohammed V University of Rabat, Morocco. Her research focuses on experimental studies and theoretical calculations using Density Functional Theory (DFT) and Monte Carlo simulation. She investigates the structural, electronic, transport, mechanical, optical, and magnetic properties of various materials and 2D-materials for applications in spintronics, photovoltaics, optoelectronics, batteries, magnetic fields, photocatalysis, and magnetocalorics, with a long-term interest in environmental applications of multiferroic materials and 2D-materials.

Professional Profiles:

Education and Diploma:

Ph.D. in Physics (Condensed Matter and Modeling of Systems) Master’s degree in Computational Physics Bachelor’s degree in Physics General University Study’s degree in Physics (DEUG) High school degree in Mathematical Sciences A option

Professional Experiences:

Research internship at the LPCMIO Laboratory, Ecole Normal Supérieure Rabat Substitute professor of practical works at the Faculty of Sciences Rabat, Morocco

Scientific Communications:

Presented at various conferences including the LaMCScI Meeting and EURO-MEDITERRANEAN CONFERENCE ON MATERIALS AND RENEWABLE ENERGIES Oral and poster communications at international conferences Multiple articles submitted for publication in scientific journals

Skills

Computer Skills: Proficient in programming languages (C/C++/C#/FORTRAN), DFT codes (Akai-KKR, WIEN2K, QUANTUM ESPRESSO, CASTEP), operating systems (Windows, Linux), and other software such as 3DS Max and Unity. Soft Skills: Strong teamwork, motivation, flexibility, and time management. Experimental Skills: Experience in synthesis methods and characterization techniques including FT-IR spectroscopy, DSC, and dielectric measurement.

Research Focus:

Houda Jebari’s research focuses on theoretical investigations of various materials, particularly exploring their electronic, optical, and thermoelectric properties. She has contributed significantly to the study of halide perovskite compounds, such as AGeI2Br, for photovoltaic applications. Additionally, her work extends to the exploration of magnetocaloric properties in compounds like Bi25FeO40 and EuCrO3. Jebari’s research also encompasses the analysis of novel materials like MoS2 for hydrogen production and CsGeI2Br for optoelectronic applications. Through her studies, she aims to advance understanding and facilitate the practical applications of these materials in renewable energy and environmental technologies.

Publications 

  1. The investigation of the electronic, optical, and thermoelectric properties of the Ge‐based halide perovskite AGeI2Br (a = K, Rb, Cs) compound for a photovoltaic …, cited by: 26, Publication date: 2022.
  2. Theoretical investigation of electronic, magnetic and magnetocaloric properties of Bi25FeO40 compoundcited by: 12, Publication date: 2021.
  3. Structural, optical, dielectric, and magnetic properties of iron-sillenite Bi25FeO, cited by: 8, Publication date: 2022.
  4. First-principles calculations to investigate structural, electronic, optical, thermoelectric, magnetic, and magnetocaloric properties of the orthochromite EuCrO3, cited by: 4, Publication date: 2023.
  5. Tensile effect on photocatalytic and optoelectronic properties of MoS2 for hydrogen production: DFT study, cited by: 1, Publication date: 2024.
  6. Structural, Infrared and Raman Spectroscopy Reinvestigation, and Theoretical Optoelectronic Properties of Hydrazinium (1+) Hexafluorosilicate (N2H5) 2SiF6, Publication date: 2023.
  7. Insights into optoelectronic behaviors of novel double halide perovskites Cs2KInX6 (X= Br, Cl, I) for energy harvesting: First principal calculation, Publication date: 2024.
  8. First principal calculation of the physical proprieties of the ternary intermetallic compound Gd2Cu2Cd for magnetic refrigeration applications, Publication date: 2024.
  9. Analysis of the structural, electronic, optical and mechanical properties of CsGeI2Br under tensile and compressive strain for optoelectronic applications: A DFT computational …, Publication date: 2024.
  10. Photovoltaic and thermoelectric properties of Ag2MnGeS4_Kesterite: First-principal investigations, Publication date: 2023.

 

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Issam Derkaoui | Materials Science | Member

Dr. Issam Derkaoui | Materials Science | Member

PHD at FSDM, Fez, Morocco

Issam Derkaoui, a PhD holder in Materials Science and Industrial Processes, specializes in the experimental development of nanocomposites with graphene derivatives and metal oxides. His research, spanning from synthesis to characterization, aims to advance nanotechnologies. Additionally, he employs first-principles calculations like DFT to model metal oxides and perovskites. With extensive post-doctoral and teaching experience, Issam has honed skills in materials characterization and synthesis methods. He has contributed to numerous publications and presented at international conferences. As a reviewer and organizer, Issam actively engages in the academic community, fostering advancements in materials science and computational physics.

Professional Profiles:

EDUCATION

Temporary Post-Doctoral Researcher Solid State Physics Laboratory, FSDM, Fez, Morocco July 2018 – 2022 Experimental: Synthesis and characterization of nanomaterials and nanocomposites. Theoretical: Validation of experimental results using DFT calculations. Permanent Teacher of Physics Preparatory classes for engineering schools, Ibn Ghazi, Meknes, Morocco 2015 – 2019 Training in Materials Characterization Techniques National Institute of Materials Physics (NIMP), Bucharest, Romania X-ray diffractometer, Raman Spectroscopy, Spectroscopic Ellipsometry Training in Material Synthesis Methods National Institute of Materials Physics (NIMP), Bucharest, Romania Magnetron Sputtering Method, Hydrothermal Method, Pyrolysis Spray Technique Vacancy for the Training: Methodology of Writing a Final Project Laboratory of Theoretical and Applied Physics, FSDM, Fez, Morocco

RESEARCH INTERNSHIPS

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)

SOFTWARE SKILLS

CASTEP Materials Studio Movavi OriginLab PVSyst PVGIS PowerPoint Quantum Espresso Python

RESEARCH AREA EXPERIENCE

Issam Derkaoui’s research interests lie in both experimental and theoretical aspects of materials science, with a focus on: Hydrothermal Synthesis Chemical synthesis methods Metal oxides (VxOy, WOx, ZnO, etc.) Graphene (GO, rGO) Nanostructures Nanocomposites Structural properties Optoelectronic properties

Research Focus:

Based on the provided publications, Issam Derkaoui’s research primarily focuses on the structural, electronic, and optical properties of various materials, including ZnO nanowires, graphene nanohybrids, and metal oxides. His investigations span experimental and theoretical approaches, employing techniques such as first-principles calculations and experimental characterization methods. Derkaoui’s work contributes to advancing our understanding of nanocomposites, thin films, and semiconductor materials, with applications ranging from optoelectronic devices to photodetectors. Overall, his research interests lie at the intersection of materials science, nanotechnology, and computational physics, aiming to drive innovations in diverse technological domains.

Publications 

  1. Optimization of the luminescence and structural properties of Er-doped ZnO nanostructures: effect of dopant concentration and excitation wavelength, cited by: 21, Publication date: 2022.
  2. Improved first-principles electronic band structure for cubic (Pm3m) and tetragonal (P4mm, P4/mmm) phases of BaTiO3 using the Hubbard U correction, Publication date: 2023.
  3. Overview of the Structural, Electronic and Optical Properties of the Cubic and Tetragonal Phases of PbTiO3 by Applying Hubbard Potential Correction, Publication date: 2023.
  4. Thermionic Emission of Atomic Layer Deposited MoO3/Si UV Photodetectors, Publication date: 2023.
  5. Effect of strontium (Sr) doping on the structural, electronic and optical properties of ZnO, by first-principles calculations, Publication date: 2023.
  6. Reduced graphene oxide-functionalized zinc oxide nanorods as promising nanocomposites for white light emitting diodes and reliable UV photodetection devices, Publication date: 2023.
  7. Impact of thickness on optoelectronic properties of α-MoO3 film photodetectors: Integrating first-principles calculations with experimental analysis, Publication date: 2023.
  8. Self-Powered UV Photodetector Utilizing Plasmonic Hot Carriers in 2D α-MoO3/Ir/Si Schottky Heterojunction Devices, Publication date: 2023.
  9. Investigation of structural and optical properties of Mg doped ZnS thin films prepared by Mist-CVD technique: Experimental and theoretical aspectsPublication date: 2024.
  10. The interface structural, electronic and optical properties of ZnO nanowires/Graphene nanohybrid (ZnO NWs/G): Experimental and theoretical DFT investigations, Publication date: 2024.

 

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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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