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Doping effects on electrical and dynamical characteristics of GaAs / AlGaAs quantum cascade laser

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Doping effects on electrical and dynamical characteristics of GaAs / AlGaAs quantum cascade laser

Erada A. Al-Dabbagh et al · University of Mosul, College of Education for Pure Science · 2008 · ISSN 1812-125X

Abstract A theoretical analysis of the doping density level influence on the output characteristics of GaAs/Al0.45Ga0.55As triple quantum well QCL emitting at (=9 m) is presented. The employed theoretical model was...

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Ga Doping Enables Precision Alloy‐to‐Wire Regulation: Synergistic Enhancement of the Mechanical Properties of CuSn Alloy and the Superconducting Properties of Nb3Sn

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Ga Doping Enables Precision Alloy‐to‐Wire Regulation: Synergistic Enhancement of the Mechanical Properties of CuSn Alloy and the Superconducting Properties of Nb3Sn

Dazhuo Song et al · Wiley · 2026 · ISSN 2198-3844

ABSTRACT Cu–Sn alloy is a key raw material used in the preparation of Nb3Sn superconducting wires using the bronze method. The mechanical properties of this Cu–Sn alloy are directly responsible for determining the pr...

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Modulation of surface phonon polaritons in MoO3 via dynamic doping of SiC substrate

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Modulation of surface phonon polaritons in MoO3 via dynamic doping of SiC substrate

Garcia-Pomar Juan Luis et al · Wiley · 2024 · ISSN 2192-8614

Polar biaxial crystals with extreme anisotropy hold promise for the spatial control and the manipulation of polaritons, as they can undergo topological transitions. However, taking advantage of these unique properties fo...

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Practical steps to develop a transcriptomic test for blood doping

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Practical steps to develop a transcriptomic test for blood doping

Sutehall Shaun et al · De Gruyter · 2024 · ISSN 2942-6812

Blood doping remains a significant problem that threatens the integrity of sport. The current indirect method for detecting blood doping involves the longitudinal measurement of an athlete’s haematological variables an...

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The negative implications of Russia’s doping scandal on the country’s international image

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The negative implications of Russia’s doping scandal on the country’s international image

Anna Kobierecka et al · Lodz University Press · 2019 · ISSN 1427-9657

In December 2014, Russia was accused of developing a state-organized doping system in the second decade of the twenty-first century. The scandal resulted in many Russian athletes being banned from competing in the Olympi...

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The role of high-resolution mass spectrometry in advancing the detection of SARMs and peptide hormones for sports antidoping

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The role of high-resolution mass spectrometry in advancing the detection of SARMs and peptide hormones for sports antidoping

Zhang Liqin · De Gruyter · 2026 · ISSN 2191-0189

The relentless pursuit of athletic excellence is shadowed by the equally persistent evolution of performance-enhancing drugs (PEDs). In recent years, the antidoping landscape has been profoundly shaped by the rise of two...

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Reconfigurable epsilon-near-zero metasurfaces via photonic doping

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Reconfigurable epsilon-near-zero metasurfaces via photonic doping

Liberal Iñigo et al · Wiley · 2018 · ISSN 2192-8606

The next generation of flat optic devices aspires to a dynamic control of the wavefront characteristics. Here, we theoretically investigated the reconfigurable capabilities of an epsilon-near-zero (ENZ) metasurface augme...

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Tailoring the microstructure, optical, and magnetic characteristics of Co0.6Zn0.4Fe2O4 nanoferrites through Ni²⁺–Al³⁺ co-doping

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Tailoring the microstructure, optical, and magnetic characteristics of Co0.6Zn0.4Fe2O4 nanoferrites through Ni²⁺–Al³⁺ co-doping

M. Rekaby et al · Nature Portfolio · 2026 · ISSN 2045-2322

Abstract Herein, Ni²⁺–Al³⁺ co-doped Co0.6−xZn0.4−xNixAlxFe2O4 (0 ≤ x ≤ 0.08) nanoferrites were synthesized via a co-precipitation route to elucidate the role of defect engineering and cation redis...

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Associação entre proteínas do plasma seminal, motilidade e viabilidade espermática em coelhos submetidos a doping genético Association among seminal plasma proteins, sperm motility and sperm viability in rabbits submitted to gene doping

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G Urtiaga et al · Universidade Federal de Minas Gerais, Escola de Veterinária · 2013 · ISSN 0102-0935

Neste trabalho foi estudada a correlação entre o perfil proteico do plasma seminal e a motilidade e viabilidade espermática em coelhos submetidos ao tratamento com vetores de expressão contendo o gene da eritropoetin...

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Current Response Enhancement According to the Doping Anion’s Nature in Redox Polyelectrolyte─Enzyme Assemblies

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Current Response Enhancement According to the Doping Anion’s Nature in Redox Polyelectrolyte─Enzyme Assemblies

Coria Oriundo, Lucy Linders et al · American Chemical Society · 2022 · ISSN 7759-7769

High-power density output in enzymatic fuel cells is a key feature to reduce the size of self-powered implantable medical devices. Electron transfer mediated through redox polyelectrolytes allows the transport of electro...

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Effect of Pr-doping on structural, electrical, thermodynamic, and mechanical properties of BaCeO3-d as proton conductor

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Effect of Pr-doping on structural, electrical, thermodynamic, and mechanical properties of BaCeO3-d as proton conductor

Basbus, Juan Felipe et al · Electrochemical Society · 2014 · ISSN 0013-4651

The effect of partial substitution of Ce by Pr ions in BaCe1−xPrxO3−δ (0 ≤ x ≤ 0.8) perovskite was studied to improve the proton conductor capability, including transport and mechanical properties, thermodynamic...

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Effect of yttrium doping on the photocatalytic properties of ZnO thin films

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Effect of yttrium doping on the photocatalytic properties of ZnO thin films

L. Hrytsak et al · Vasyl Stefanyk Carpathian National University · 2023 · ISSN 1729-4428

Zinc oxide films with different levels of yttrium doping are deposited on glass substrates, using radio-frequency magnetron sputtering. Photocatalytic properties were investigated for such Y-doping weight concentration: ...

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2D P-doped carbon nitride as an effective artificial solid electrolyte interphase for the protection of Li anodes

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2D P-doped carbon nitride as an effective artificial solid electrolyte interphase for the protection of Li anodes

Eroles, Franco Matías et al · Royal Society of Chemistry · 2024 · ISSN 2631-2643

Metallic lithium plays an important role in the development of next-generation lithium metal-based batteries. However, the uncontrolled growth of lithium dendrites limits the use of lithium metal as an anode. In this con...

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Biochemical pathways for device nanoarchitectonics: organic semiconductors interfaced with biomolecular systems

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Biochemical pathways for device nanoarchitectonics: organic semiconductors interfaced with biomolecular systems

Takuma Ohashi et al · IOP Publishing · 2026 · ISSN 1882-0786

This review discusses organic semiconductors interfaced with biomolecular systems, focusing on the construction of material systems through biochemical pathways for device nanoarchitectonics. The initial section highligh...

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Luminescence regulation of Sb3+ in 0D hybrid metal halides by hydrogen bond network for optical anti-counterfeiting

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Luminescence regulation of Sb3+ in 0D hybrid metal halides by hydrogen bond network for optical anti-counterfeiting

Dehai Liang et al · Editorial Office of Opto-Electronic Journals Group, Institute of Optics and Electronics, CAS, China · 2024 · ISSN 2096-4579

The Sb3+ doping strategy has been proven to be an effective way to regulate the band gap and improve the photophysical properties of organic-inorganic hybrid metal halides (OIHMHs). However, the emission of Sb3+ ions in ...

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Theoretical studies of doped solid oxides for fuel cell applications

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Theoretical studies of doped solid oxides for fuel cell applications

Solano Canchaya, José Gabriel et al · Bentham Science Publishers · 2014 · ISSN 1877-9468

Zirconia (ZrO2) is of great importance as a support for systems where high ionic conductivity and mechanical stability are required. Doping/defects have a significant effect on the physical properties of this oxide by st...

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Ways to Improve the Efficiency of ТіО2-based Photocatalysts (Review)

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Ways to Improve the Efficiency of ТіО2-based Photocatalysts (Review)

I.F. Mironyuk et al · Vasyl Stefanyk Carpathian National University · 2020 · ISSN 1729-4428

Water and air pollutants pose a significant environmental problem worldwide and photocatalysis is one way to address this global issue. Photocatalytic degradation of toxic substances under the influence of visible electr...

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Development of S-Ca-codoped TiO2 hybrid nanostructures for the efficient photodegradation of crystal violet and tetracycline effluents: Experimental and DFT study

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Development of S-Ca-codoped TiO2 hybrid nanostructures for the efficient photodegradation of crystal violet and tetracycline effluents: Experimental and DFT study

Mohsin Ali et al · Springer · 2026 · ISSN 1319-6103

Abstract The photocatalytic efficiency of pristine titanium dioxide nanoparticles (TiO2 NPs) remains suboptimal due to its poor visible light absorption and rapid charge carrier recombination, necessitating fine structu...

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Exploring magneto-optic properties of colloidal two-dimensional copper-doped CdSe nanoplatelets

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Exploring magneto-optic properties of colloidal two-dimensional copper-doped CdSe nanoplatelets

Dutta Avisek et al · Wiley · 2022 · ISSN 2192-8606

Transition-metal-doped semiconductor nanocrystals have received significant attention because of their attractive features deeming them invaluable in various technological fields including optoelectronics, bio-photonics,...

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Features of the origin and propagation of a shock wave in semiconductors during nanosecond laser irradiation

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Features of the origin and propagation of a shock wave in semiconductors during nanosecond laser irradiation

S. Levytskyi et al · Vasyl Stefanyk Carpathian National University · 2025 · ISSN 1729-4428

In this paper, the mechanisms of mass transfer to In/CdTe systems under nanosecond pulsed laser irradiation, which are due to nonstationarity, nonequilibrium, physical and geometric nonlinearity, high speed and simultane...

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Gliclazide Enhances Exercise Performance and Recovery of Muscle Strength in Healthy Trained Individuals: A Randomized Controlled Trial

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Gliclazide Enhances Exercise Performance and Recovery of Muscle Strength in Healthy Trained Individuals: A Randomized Controlled Trial

Jocelito Bijoldo Martins et al · Wiley · 2026 · ISSN 1746-1391

ABSTRACT To examine the acute effect of gliclazide on exercise performance and recovery of muscle strength in healthy participants. We conducted a randomized, double‐blind, placebo‐controlled crossover clinical trial...

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Halide-assisted Al-doped graded shells for emission tunability and photostability in CdSe NPLs

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Halide-assisted Al-doped graded shells for emission tunability and photostability in CdSe NPLs

Hyeon woo Bae et al · Nature Portfolio · 2026 · ISSN 2045-2322

Abstract We report a facile one-pot synthetic strategy for producing CdSe/Cd1−xZnxS core/shell nanoplatelets (NPLs) with a chemical composition gradient, enabled by the introduction of halide ions, which promote the fo...

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Health Complications Associated with Anabolic-Androgenic Steroid Use in Physically Active Men: A Literature Review

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Health Complications Associated with Anabolic-Androgenic Steroid Use in Physically Active Men: A Literature Review

Urszula Kacprzak et al · Kazimierz Wielki University · 2026 · ISSN 2391-8306

Aim. The aim of this study was to review the current scientific literature on the adverse effects of anabolic-androgenic steroids (AAS) use in physically active men and to highlight the need for further research in this ...

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Synthesis of Cu–Mo/TiO2 and Co–Mo/TiO2 photocatalysts for the efficient degradation of organic pollutants in water

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Synthesis of Cu–Mo/TiO2 and Co–Mo/TiO2 photocatalysts for the efficient degradation of organic pollutants in water

Ilse Acosta et al · Beilstein-Institut · 2026 · ISSN 2190-4286

Co-doped titanium dioxide materials were successfully synthesized by the sol–gel method. Molybdenum was incorporated into all materials at 0.5 wt %, while the co-dopants, copper and cobalt, were added at 0.2–0.5 wt %...

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