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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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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