- MXene and MAX Phase Materials
- 2D Materials and Applications
- Graphene research and applications
- Chalcogenide Semiconductor Thin Films
- Advanced Thermoelectric Materials and Devices
- Metal and Thin Film Mechanics
- Advancements in Battery Materials
- Polymer Nanocomposite Synthesis and Irradiation
- Perovskite Materials and Applications
- Thermal Expansion and Ionic Conductivity
- Advanced ceramic materials synthesis
- Heusler alloys: electronic and magnetic properties
- Glass properties and applications
- Conducting polymers and applications
- Luminescence Properties of Advanced Materials
- Supercapacitor Materials and Fabrication
- Aluminum Alloys Composites Properties
- Boron and Carbon Nanomaterials Research
- Hygrothermal properties of building materials
- Phase-change materials and chalcogenides
- Slime Mold and Myxomycetes Research
- Nanofluid Flow and Heat Transfer
- Radiation Shielding Materials Analysis
- Electrocatalysts for Energy Conversion
- GaN-based semiconductor devices and materials
King Abdulaziz University
2019-2025
University of Louisville
2017-2019
Abstract Since its first fabrication by exfoliation in 2014, phosphorene has been the focus of rapidly expanding research activities. The number publications increasing at a rate exceeding that other two-dimensional materials. This tremendous level excitement arises from unique properties phosphorene, including puckered layer structure. With widely tunable band gap, strong in-plane anisotropy, and high carrier mobility, is center numerous fundamental studies applications spanning electronic,...
Nanocomposites based on polyethylene oxide (PEO)/Sodium Alginate (NaAlg) with varying content of tungsten trioxide nanoparticles (WO3 NPs) have been synthesized by using a green solvent casting method. Through the use X-ray diffraction (XRD), Fourier transforms infrared (FTIR), and Ultraviolet–visible spectroscopy (UV-Vis.), interaction mixed components has evaluated. Studies shown that WO3 blend's component parts interact strongly at their interfaces. XRD confirms increasing amorphous...
Owing to enhanced thermal impact of nanomaterials, different applications are suggested in engineering and industrial systems like heat transfer devices, energy generation, extrusion processes, engine cooling, systems, exchanger, chemical manufacturing hybrid-powered plants etc. The current communication concerns the optimized flow Sutterby nanofluid due stretched surface view sources. investigation is supported with external source, magnetic force radiative phenomenon. irreversibility...
Cadmium-tin-oxide (CTO), also referred to as cadmium stannate (Cd2SnO4), is known for its interesting electrical, electronic, and optical properties, making it useful in various applications such transparent conducting oxides optoelectronic devices photovoltaic applications. While properties have been investigated experimentally, there not much record the literature on computational study of electronic CTO. This employed density functional theory explore two The hybrid functionals were used...
When combined with ceramics, ternary carbides, nitrides, and borides form a class of materials known as MAX phases. These exhibit multilayer hexagonal structure are very strong, damage tolerant, thermally stable. Further, they have low thermal expansion outstanding resistance to corrosion oxidation. However, despite the numerous phases that been identified, search for better is ongoing, including recently discovered Zr3InC2 Hf3InC2. The properties still being tailored in order lower their...
In this work, we report the electrical transport properties of uniform and vertically oriented graphene (graphene nanowalls) directly synthesized on multiple substrates including glass, Si/SiO2 wafers, copper foils using radio-frequency plasma enhanced chemical vapor deposition (PECVD) with methane (CH4) as precursor at relatively low temperatures. The temperature for optimum growth was established aid transmission electron microscopy, scanning Raman spectroscopy. This approach offers means...
The search for biocompatible, non-toxic, and wear-resistant materials orthopedic implant applications is on the rise. Different have been investigated this purpose, some of which proved successful. However, one challenge that has proven difficult to overcome balance between ductility hardness these materials. This study employed ab initio calculations investigate structural mechanical properties niobium nitride (NbN) alloyed with hafnium, indium, zirconium, aim improving its hardness. made...
Silicon carbide (SiC) is a strong and adaptable material that has good number of uses, including in the automotive industry for power electronics electric vehicle components; abrasive used grinding cutting; production refractory materials. These applications are due to superior properties SiC, which include high hardness, chemical inertness, mechanical strength. However, its brittleness, low fracture toughness, as well relatively density hinder it from being applied other areas such making...
Abstract Perovskites have become the center of recent research for their possible application in perovskite solar cells, owing to desirable optical and electronic properties, flexibility, tunability, low–cost fabrication. Most perovskites are however made lead, which is a highly poisonous element. It therefore necessary seek alternative this that less toxic. This study investigated elastic, electronic, thermoelectric properties Cs–X–I (X = Pb, Gd, Nd, Y) as replacements leaded CsPbI3 due...
Ranging from the most demanding technical applications to soft, extremely ductile wrapping foil, aluminum is one of versatile and reasonably priced metallic materials. These are attributable unique blend features that it provides, together with its alloys, owing lightweight, some alloys have higher strengths than structural steel. However, expected demand for will quadruple within next 10 years, as a result, aerospace industry increasingly turning recycled fulfill high demand. This study...
We have developed a lithography free technique for the fabrication of two-dimensional material based devices electrical characterization. fabricated few-layer and multilayer WS2 using transmission electron microscope (TEM) grid as shadow mask, its transport characteristics were studied by measurements. samples synthesized first depositing WO3 followed sulfurization characterized scanning microscopy (SEM), atomic force (AFM), Raman spectroscopy. Each sample was exposed to hydrazine at varying...
We have demonstrated a simple and scalable fabrication process for defect-rich MoS2 directly from ammonium tetrathiomolybdate precursor using intense pulse light treatment in milliseconds durations. The formation of the film after pulsed exposure was confirmed with XPS, XRD, electron microscopy Raman spectroscopy. resulting material exhibited high activity hydrogen evolution reaction (HER) acidic media, requiring merely 200 mV overpotential to reach current density 10 mA cm-2. Additionally,...
Heusler-type Fe2AlVxTi1-x alloys offer an alternative solution for the generation of thermoelectric power near room temperature. In current research, properties p-type Fe2AlV0.9Ti0.1 and Fe2AlV0.9Ti0.1/CNT alloys, prepared by SPS, were studied. Carbon nanotubes (CNT) used as dopants to improve seebeck coefficient electrical conductivity. Upon doping with CNT, thermal conductivity was significantly reduced, meanwhile, value factor increased from 0.45 1.55 mW/mK2 at around 330 K. The effect...
Abstract We have used a lithography free technique for the direct fabrication of vertically stacked two-dimensional (2D) material-based tunnel junctions and characterized by Raman, AFM, XPS. fabricated Graphene/h-BN/Graphene devices deposition graphene (bottom layer), h-BN (insulating barrier) (top layer) sequentially using plasma enhanced chemical vapor on Si/SiO 2 substrates. The thickness insulating layer was varied tuning power time. Samples were I-V data follows barrier dependent...
Perovskites are currently becoming common in the field of optoelectronics, owing to their promising properties such as electrical, optical, thermoelectric, and electronic. Although mechanical thermal also play a crucial part functioning optoelectronic devices, they have scarcely been explored. The present work performed an ab initio study cubic EuAlO3 GdAlO3 perovskites for first time using density functional theory. Quantum Espresso Themo_pw codes were utilized by employing generalized...
Optical coatings are thin layers of materials applied to optical components in order modify the transmission, reflection, or polarization properties light. The common used for include magnesium fluoride (MgF2), scandium trifluoride (ScF3), and aluminum (AlF3), owing their desirable properties, spectral range, compatibility with substrates. However, each these has its own drawbacks. For instance, AlF3 been found exhibit limited resistance attack by chemicals, as well poor thermal stability,...
Mechanical compaction is often used to densify building earth blocks by reducing the void between particles. Compacted stabilised involves a binder, which holds particles of materials together. The and addition binders can modify its transport, mechanical, acoustical properties. In this study, acoustic transmission coefficient, porosity, airflow resistivity were investigated varying concentrations water hyacinth ash (WHA) sugarcane bagasse (SBA) binders. An test rig comprising an wave guide...