Iyad Al-Qasir

ORCID: 0000-0001-7481-9295
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About
Contact & Profiles
Research Areas
  • Nuclear Physics and Applications
  • High-pressure geophysics and materials
  • Nuclear reactor physics and engineering
  • Intermetallics and Advanced Alloy Properties
  • Thermal Expansion and Ionic Conductivity
  • Inorganic Chemistry and Materials
  • Graphite, nuclear technology, radiation studies
  • Nuclear and radioactivity studies
  • High voltage insulation and dielectric phenomena
  • Recycling and Waste Management Techniques
  • Inorganic Fluorides and Related Compounds
  • Analytical Chemistry and Sensors
  • Magnesium Oxide Properties and Applications
  • Medical Imaging Techniques and Applications
  • Physics of Superconductivity and Magnetism
  • Electrostatic Discharge in Electronics
  • Perovskite Materials and Applications
  • Radiation Detection and Scintillator Technologies
  • Rare-earth and actinide compounds
  • X-ray Diffraction in Crystallography
  • Boron and Carbon Nanomaterials Research
  • Advanced biosensing and bioanalysis techniques
  • Copper Interconnects and Reliability
  • Semiconductor materials and devices
  • 2D Materials and Applications

Oak Ridge National Laboratory
2023-2024

University of Sharjah
2015-2021

Density functional theory is employed to investigate the origins of bandgap bowing character in transition-metal-dichalcogenide ternary alloyed monolayers (TMD-MLs). The available experimental photoluminescence (PL) data literature have confirmed existence common-anion alloys (e.g. Mo1−xWxS2) and its complete absence common-cation MoS2(1−x)Se2x). Our theoretical modeling energy versus alloy composition, , these respective yielded trends parameters excellent agreement with PL (i.e. B = 0.26...

10.1088/1367-2630/ac2d73 article EN cc-by New Journal of Physics 2021-10-01

The neutron filter efficiency of MgF 2 and BeF has been investigated as a function incident energy at different temperatures, starting from the phonon density states (PDOS) calculated using first-principles techniques, results are compared with those MgO BeO. Recently, suggested transmission through it experimentally studied. For , excellent agreement between available experimental data achieved for dispersion relations, constant-volume specific heat, inelastic scattering cross sections...

10.1107/s1600576717000851 article EN Journal of Applied Crystallography 2017-03-07

Neutron direct-geometry time-of-flight chopper spectroscopy is instrumental in studying fundamental excitations of vibrational and/or magnetic origin. We report here that techniques super-resolution optical imagery (which real-space) can be adapted to enhance resolution and reduce noise for a neutron (an instrument mapping reciprocal space). The procedure reconstruct energy spectra phonon density states relies on realization multiframe registration, accurate determination the...

10.1063/1.5116147 article EN publisher-specific-oa Review of Scientific Instruments 2019-10-01
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