Phonon-mediated superconductivity in the metal-bonded perovskite up to 54 K under ambient pressure

Y He, J Lu, X Wang, J Shi - Physical Review B, 2023 - APS
Multihydrogen lanthanum hydrides have shown the highest critical temperature T c at 250–
260 K under pressures of 170–200 GPa. However, such high pressure is a great challenge …

Monolayer‐thick GaN/AlN multilayer heterostructures for deep‐ultraviolet optoelectronics

V Jmerik, A Toropov, V Davydov… - physica status solidi …, 2021 - Wiley Online Library
Recent progress in the development of monolayer (ML)‐thick GaN/AlN multilayer
heterostructures for deep‐ultraviolet (UV) optoelectronics is reviewed. Analysis of both …

Recent progress on aluminum gallium nitride deep ultraviolet lasers by molecular beam epitaxy

Q Zhang, X Yin, S Zhao - physica status solidi (RRL)–Rapid …, 2021 - Wiley Online Library
Over the past decades, the aluminum gallium nitride (AlGaN) alloy system has received
wide interest for the development of semiconductor deep ultraviolet (DUV) lasers due to its …

Effect of inhomogeneous broadening in ultraviolet III-nitride light-emitting diodes

F Römer, M Guttmann, T Wernicke, M Kneissl… - Materials, 2021 - mdpi.com
In the past years, light-emitting diodes (LED) made of GaN and its related ternary
compounds with indium and aluminium have become an enabling technology in all areas of …

Plasma‐assisted molecular beam epitaxy of AlGaN heterostructures for deep‐ultraviolet optically pumped lasers

VN Jmerik, EV Lutsenko, SV Ivanov - physica status solidi (a), 2013 - Wiley Online Library
The paper reports on elaboration of plasma‐assisted molecular beam epitaxy (MBE) of
AlxGa1− xN‐based quantum‐well (QW) structures with high Al content (up to 50% in the …

High-efficiency electron-beam-pumped sub-240-nm ultraviolet emitters based on ultra-thin GaN/AlN multiple quantum wells grown by plasma-assisted molecular …

VN Jmerik, DV Nechaev, AA Toropov… - Applied Physics …, 2018 - iopscience.iop.org
We report the internal structures and emission properties of GaN/AlN single-and multiple-
quantum-well (QW) heterostructures with well widths of dw= 1–4 monolayers (MLs), grown …

Low-threshold 303 nm lasing in AlGaN-based multiple-quantum well structures with an asymmetric waveguide grown by plasma-assisted molecular beam epitaxy on …

VN Jmerik, AM Mizerov, AA Sitnikova… - Applied Physics …, 2010 - pubs.aip.org
We report on AlGaN multiple-quantum-well separate confinement laser heterostructures
grown by plasma-assisted molecular-beam epitaxy directly on c-sapphire at low …

Simulation of carrier injection efficiency in AlGaN-based uv-light-emitting diodes

G Hofmann, A Muhin, N Susilo, F Römer… - IEEE Photonics …, 2024 - ieeexplore.ieee.org
Numerical simulations of carrier transport in aluminium gallium nitride based ultraviolet light
emitting diodes (UV-LED) are performed in order to understand injection efficiency for light …

Plasma-assisted molecular beam epitaxy of Al (Ga) N layers and quantum well structures for optically pumped mid-UV lasers on c-Al2O3

SV Ivanov, DV Nechaev, AA Sitnikova… - Semiconductor …, 2014 - iopscience.iop.org
This paper reports on novel approaches developed for plasma-assisted molecular beam
epitaxy of Al-rich AlGaN epilayers and quantum well heterostructures on c-sapphire, which …

Monolayer-scale gan/aln multiple quantum wells for high power e-beam pumped uv-emitters in the 240–270 nm spectral range

V Jmerik, D Nechaev, K Orekhova, N Prasolov… - Nanomaterials, 2021 - mdpi.com
Monolayer (ML)-scale GaN/AlN multiple quantum well (MQW) structures for electron-beam-
pumped ultraviolet (UV) emitters are grown on c-sapphire substrates by using plasma …