All Outputs (110)

Effect of doping on transport properties of InSb epilayers grown by MOCVD and MBE (2024)
Journal Article

Temperature-dependent carrier transport properties of two InSb epilayers grown on GaAs substrates by Molecular Beam Epitaxy (MBE) and Metal Organic Chemical Vapor Deposition (MOCVD) are investigated. The InSb epilayer grown by MBE was undoped, but th... Read More about Effect of doping on transport properties of InSb epilayers grown by MOCVD and MBE.

Preparation and characterization of various PVPylated divalent metal-doped ferrite nanoparticles for magnetic hyperthermia (2024)
Journal Article

There is an incessant demand to keep improving on the heating responses of polymeric magnetic nanoparticles (MNPs) under magnetic excitation, particularly in the pursuit for them to be utilized for clinical hyperthermia applications. Herein, we repor... Read More about Preparation and characterization of various PVPylated divalent metal-doped ferrite nanoparticles for magnetic hyperthermia.

Machine learning-based method for predicting C–V-T characteristics and electrical parameters of GaAs/AlGaAs multi-quantum wells Schottky diodes (2024)
Journal Article

In this work, two models of artificial neural networks are developed to predict the electrical parameters and capacitance-voltage characteristics of GaAs/AlGaAs multi-quantum wells Schottky diodes at different temperatures. Capacitance-Voltage-Temper... Read More about Machine learning-based method for predicting C–V-T characteristics and electrical parameters of GaAs/AlGaAs multi-quantum wells Schottky diodes.

Revealing localized excitons in WSe2/β-Ga2O3 (2024)
Journal Article

We have investigated the optical and magneto-optical properties of monolayer (ML) WSe2 on flakes of β-Ga2O3 under high magnetic fields. Remarkably, sharp emission peaks were observed and associated with localized excitons related to point defects. A... Read More about Revealing localized excitons in WSe2/β-Ga2O3.

Effect of erbium-doping concentration on the electrical, structural and morphological properties of heterostructures based on TiO2 thin films (2024)
Journal Article

Effect of erbium (Er) doping on the electrical, structural and morphological properties of TiO2 thin films deposited by the combination of a simple sol–gel process and spin-coating technique on p-type silicon substrates, has been investigated. A syst... Read More about Effect of erbium-doping concentration on the electrical, structural and morphological properties of heterostructures based on TiO2 thin films.

Linear and nonlinear optical investigations of polyvinyl chloride modified La2O3 nanocomposite films (2024)
Journal Article

In the present work, we report the effect and improvement of PVC polymer blend nanocomposites performance with addition of lanthanum oxide (La2O3) nanofiller. The structural properties of the samples were studied using different characterization tech... Read More about Linear and nonlinear optical investigations of polyvinyl chloride modified La2O3 nanocomposite films.

Towards Room Temperature Thermochromic Coatings with controllable NIR-IR modulation for solar heat management & smart windows applications (2024)
Journal Article

Solar heat management & green air-conditioning are among the major technologies that could mitigate heat islands phenomenon while minimizing significantly the CO2 global foot-print within the building & automotive sectors. Chromogenic materials in ge... Read More about Towards Room Temperature Thermochromic Coatings with controllable NIR-IR modulation for solar heat management & smart windows applications.

Processing of new efficient Cr1-xNaxO3 catalysts for sodium borohydride methanolysis (2023)
Journal Article

This study reports the development of a novel Cr1-xNaxO3 catalyst using a simple cost-effective method for hydrogen production from NaBH4 methanolysis. The properties of the nanocomposites were investigated by employing XRD, FTIR, SEM and XPS charact... Read More about Processing of new efficient Cr1-xNaxO3 catalysts for sodium borohydride methanolysis.

Hole diffusion effect on the minority trap detection and non-ideal behavior of NiO/β-Ga2O3 heterojunction (2023)
Journal Article

A NiO/β-Ga2O3 heterojunction was fabricated by sputtering a highly p-doped NiO layer onto β-Ga2O3. This heterojunction showed a low leakage current and a high turn-on voltage (Von) compared to a Ni/β-Ga2O3 Schottky barrier diode. The extracted Von fr... Read More about Hole diffusion effect on the minority trap detection and non-ideal behavior of NiO/β-Ga2O3 heterojunction.

Effects of gamma radiation on the electrical properties of InAs/InGaAs quantum dot-based laser structures grown on GaAs and Si substrates by molecular beam epitaxy (2023)
Journal Article

This study investigates the impact of gamma radiation on the electrical properties of InAs/InGaAs quantum dot-based laser structures grown on both GaAs (Sample A) and Si (Sample B) substrates using molecular beam epitaxy. The research explores the el... Read More about Effects of gamma radiation on the electrical properties of InAs/InGaAs quantum dot-based laser structures grown on GaAs and Si substrates by molecular beam epitaxy.

CuO–TiO2 based self-powered broad band photodetector (2023)
Journal Article

An efficient room-temperature self-powered, broadband (300 ​nm–1100 nm) photodetector based on a CuO–TiO2/TiO2/p-Si(100) heterostructure is demonstrated. The CuO–TiO2 nanocomposites were grown in a two-zone horizontal tube furnace o... Read More about CuO–TiO2 based self-powered broad band photodetector.

Towards Unlocking/Tuning the Mott Transition Temperature in Alkaline-Doped Vanadium Oxide Thermochromic Coatings and Potential Green Air-Conditioning via Room Temperature VxOy-V-VxOy Layered Coatings (2023)
Journal Article

In this contribution, we validate for the first time that the near infrared-infrared (NIR-IR) modulation of the optical transmission (DTTRANS = T(TTMIT)) of vanadium oxide-based nanomaterials can be controlled or tuned via a genuine approach with a s... Read More about Towards Unlocking/Tuning the Mott Transition Temperature in Alkaline-Doped Vanadium Oxide Thermochromic Coatings and Potential Green Air-Conditioning via Room Temperature VxOy-V-VxOy Layered Coatings.

Room temperature bio-engineered multifunctional carbonates for CO2 sequestration and valorization (2023)
Journal Article

This contribution reports, for the first time, on an entirely green bio-engineering approach for the biosynthesis of single phase crystalline 1-D nano-scaled calcite CaCO3. This was validated using H2O as the universal solvent and natural extract of... Read More about Room temperature bio-engineered multifunctional carbonates for CO2 sequestration and valorization.

Investigation on ammonia-free scalable cobalt-doped hexagonal boron nitride for environmental remediation (2023)
Journal Article

Hexagonal boron nitride (h-BN) nanocrystals are of greater importance for wastewater remediation, and synthesizing these h-BN nanocrystals with high surface area adds significance. Hence a facile and economically viable hydrothermal technique was ado... Read More about Investigation on ammonia-free scalable cobalt-doped hexagonal boron nitride for environmental remediation.

Heating efficiency of Gd- and Co-doped γ-Fe2O3 nanoparticles measured by AC magnetometer for magnetic-mediated hyperthermia (2023)
Journal Article

Most research groups, including us, utilize calorimetric methods to determine the heat dissipation by magnetic nanoparticles (MNPs) under an alternating magnetic field (AMF). Herein, we report the heating efficiencies of γ-Fe2O3 and doped γ-Fe2O3 NPs... Read More about Heating efficiency of Gd- and Co-doped γ-Fe2O3 nanoparticles measured by AC magnetometer for magnetic-mediated hyperthermia.

Structural, optical and photovoltaic properties of V2O5/ZnO and reduced graphene oxide (rGO)-V2O5/ZnO nanocomposite photoanodes for dye-sensitized solar cells (2023)
Journal Article

Photoanode optimization is a fascinating technique for enlightening the power conversion efficiency (PCE) of dye-sensitized solar cells (DSSCs). In this present study, V2O5/ZnO and reduced graphene oxide (rGO)-V2O5/ZnO nanocomposites (NCs) were prepa... Read More about Structural, optical and photovoltaic properties of V2O5/ZnO and reduced graphene oxide (rGO)-V2O5/ZnO nanocomposite photoanodes for dye-sensitized solar cells.

Uncooled mid-wavelength InAsSb/AlAsSb heterojunction photodetectors (2023)
Journal Article

A mid-wavelength p–B–i–n infrared photodetector constituting ternary alloys of an InAs0.9Sb0.1 absorber and an AlAs0.05Sb0.95 electron barrier was demonstrated to operate at room temperature. The results of high-resolution x-ray diffraction (XRD) ana... Read More about Uncooled mid-wavelength InAsSb/AlAsSb heterojunction photodetectors.

Optical response of green synthesized thin Cr2O3 films prepared via drop and spin coatings (2023)
Journal Article

This study investigated the impact of optical bandgap energy on the optical constants of Cr2O3 thin films, which were prepared via green synthesis method and deposited using drop and spin-coatings at 600, 800, 1000, and 1200 rpm onto Cu substrates. T... Read More about Optical response of green synthesized thin Cr2O3 films prepared via drop and spin coatings.

On the nature of majority and minority traps in β-Ga2O3: A review (2023)
Journal Article

In the last decade, researchers and commercial companies have paid great attention to ultrawide bandgap semiconductors especially gallium oxide (Ga2O3). Ga2O3 has very interesting properties such as a bandgap higher than 4.8 eV, high electrical break... Read More about On the nature of majority and minority traps in β-Ga2O3: A review.

Direct synthesis of sodium doped Cu2O/GO nanocomposites for catalytic hydrogen production from NaBH4 (2023)
Journal Article

In this work, Cu2O/GO doped Na nanocomposites were prepared via sol-gel auto-combustion procedure. The material structure was analysed using X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR) and environmental scanning electron m... Read More about Direct synthesis of sodium doped Cu2O/GO nanocomposites for catalytic hydrogen production from NaBH4.