Results 81 to 90 of about 36,563 (205)

GaAs/AlGaAs и InGaAs/AlGaAs гетероструктуры для полупроводниковых инфракрасных излучателей

open access: yesФОТОНИКА-2021 : ТЕЗИСЫ ДОКЛАДОВ РОССИЙСКОЙ КОНФЕРЕНЦИИ И ШКОЛЫ МОЛОДЫХ УЧЕНЫХ ПО АКТУАЛЬНЫМ ПРОБЛЕМАМ ПОЛУПРОВОДНИКОВОЙ ФОТОЭЛЕКТРОНИКИ, 2021
В данной статье мы приводим результаты работы по получению методом молекулярно-лучевой эпитаксии гетероструктур с квантовыми ямами (КЯ) GaAs/AlGaAs и InGaAs/AlGaAs, предназначенных для создания на их основе светодиодов для работы в ближнем ИК диапазоне.
openaire   +1 more source

Synchrotron Radiation for Quantum Technology

open access: yesAdvanced Functional Materials, Volume 36, Issue 15, 19 February 2026.
Materials and interfaces underpin quantum technologies, with synchrotron and FEL methods key to understanding and optimizing them. Advances span superconducting and semiconducting qubits, 2D materials, and topological systems, where strain, defects, and interfaces govern performance.
Oliver Rader   +10 more
wiley   +1 more source

Monolithic AlGaAs second-harmonic nanoantennas

open access: yesOptics Express, 2016
We demonstrate monolithic aluminum gallium arsenide (AlGaAs) optical anoantennas. Using a selective oxidation technique, we fabricate such epitaxial semiconductor nanoparticles on an aluminum oxide substrate. Second harmonic generation from an AlGaAs nanocylinder of height h=400 nm and varying radius pumped with femtosecond pulses delivered at 1554-nm ...
Gili, V. F.   +11 more
openaire   +6 more sources

Improved Disorder Resilience in Small‐Footprint Photonic Cavities with Periodicity Breaking

open access: yesAdvanced Optical Materials, Volume 14, Issue 7, 16 February 2026.
Compact photonic crystal cavities with engineered aperiodicity are demonstrated to sustain high quality factormodes and enhanced reproducibility within a minimal footprint. Combining numerical optimization and near‐field measurements, the study reveals how controlled periodicity breaking improves disorder resilience, offering a robust and scalable ...
Nicoletta Granchi   +7 more
wiley   +1 more source

Using Bayesian Optimization to Increase the Efficiency of III‐V Multijunction Solar Cells

open access: yesAdvanced Theory and Simulations, Volume 9, Issue 2, February 2026.
Technology Computer Aided Design (TCAD) modeling is crucial for designing complex optoelectronic devices like III‐V multijunction solar cells. Bayesian optimization is proposed as a robust method to address challenges in optimizing costly black‐box TCAD solvers.
Pablo F. Palacios, Carlos Algora
wiley   +1 more source

Development of N/P AlGaAs free-standing top solar cells for tandem applications [PDF]

open access: yes
The combination of a free standing AlGaAs top solar cell and an existing bottom solar cell is the highest performance, lowest risk approach to implementing the tandem cell concept.
Barnett, Allen M.   +5 more
core   +1 more source

Device Performance of Emerging Photovoltaic Materials (Version 6)

open access: yesAdvanced Energy Materials, Volume 16, Issue 7, 18 February 2026.
Efficiency of single junction perovskite (circles), organic (hexagons), dye sensitized (pentagons), kesterite (diamonds), Sb2Se3 (right triangle), and AgBiS2 (left triangles) solar cells at emerging‐pv.org over the last decade. ABSTRACT This 6th annual Emerging PV Report surveys peer‐reviewed advances since August 2024 across perovskite, organic ...
Osbel Almora   +29 more
wiley   +1 more source

Label-Free Biomolecule Detection With InP/AlGaAs Charge Plasma Dielectric-Modulated Vertical TFET Using TaN as Metal Gate

open access: yesIEEE Access
This study introduces a label-free biosensing method for biomolecule detection utilizing an InP/AlGaAs charge plasma dielectric-modulated vertical tunnel field-effect transistor (InP/AlGaAs VTFET) featuring TaN as the metal gate.
Hashim Elshafie   +5 more
doaj   +1 more source

Distinguishing impurity concentrations in GaAs and AlGaAs, using very shallow undoped heterostructures

open access: yes, 2010
We demonstrate a method of making a very shallow, gateable, undoped 2-dimensional electron gas. We have developed a method of making very low resistivity contacts to these structures and systematically studied the evolution of the mobility as a function ...
Beere, H. E.   +5 more
core   +1 more source

Systemic Effects of Vascular Photobiomodulation on Early Macrophage Recruitment During Skeletal Muscle Repair

open access: yesJournal of Biophotonics, Volume 19, Issue 2, February 2026.
Preventive vascular photobiomodulation accelerates macrophage recruitment and enhances pro‐regenerative inflammation after skeletal muscle injury, suggesting its potential to improve tissue repair through timely modulation of the immune response.ABSTRACTMuscle injuries involve a complex inflammatory response in which macrophages are essential for ...
Raquel Lira Ortiz da Silva   +8 more
wiley   +1 more source

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