Compositionally graded III-nitride alloys: Building blocks for efficient ultraviolet optoelectronics and power electronics

H Zhang, C Huang, K Song, H Yu, C Xing… - Reports on Progress …, 2021 - iopscience.iop.org
Wide bandgap aluminum gallium nitride (AlGaN) semiconductor alloys have established
themselves as the key materials for building ultraviolet (UV) optoelectronic and power …

Ultraviolet optoelectronic devices based on AlGaN-SiC platform: Towards monolithic photonics integration system

C Huang, H Zhang, H Sun - Nano energy, 2020 - Elsevier
Rapid advancement of wide-bandgap AlGaN semiconductor materials offers tremendous
opportunities in the field of ultraviolet (UV) optoelectronics for a wide range of advanced …

Band engineering of III-nitride-based deep-ultraviolet light-emitting diodes: a review

Z Ren, H Yu, Z Liu, D Wang, C Xing… - Journal of Physics D …, 2019 - iopscience.iop.org
III-nitride deep ultraviolet (DUV) light-emitting diodes (LEDs) have been identified as
promising candidates for energy-efficient, environment-friendly and robust UV lighting …

An AlGaN core–shell tunnel junction nanowire light-emitting diode operating in the ultraviolet-C band

SM Sadaf, S Zhao, Y Wu, YH Ra, X Liu, S Vanka… - Nano …, 2017 - ACS Publications
To date, semiconductor light emitting diodes (LEDs) operating in the deep ultraviolet (UV)
spectral range exhibit very low efficiency due to the presence of large densities of defects …

Three-dimensional quantum confinement of charge carriers in self-organized AlGaN nanowires: A viable route to electrically injected deep ultraviolet lasers

S Zhao, SY Woo, M Bugnet, X Liu, J Kang… - Nano …, 2015 - ACS Publications
We report on the molecular beam epitaxial growth and structural characterization of self-
organized AlGaN nanowire arrays on Si substrate with high luminescence efficiency …

[HTML][HTML] Molecular beam epitaxy growth of Al-rich AlGaN nanowires for deep ultraviolet optoelectronics

S Zhao, SY Woo, SM Sadaf, Y Wu, A Pofelski… - Apl Materials, 2016 - pubs.aip.org
Self-organized AlGaN nanowires by molecular beam epitaxy have attracted significant
attention for deep ultraviolet optoelectronics. However, due to the strong compositional …

An electrically pumped 239 nm AlGaN nanowire laser operating at room temperature

S Zhao, X Liu, Y Wu, Z Mi - Applied Physics Letters, 2016 - pubs.aip.org
In this work, we report on the demonstration of an electrically injected AlGaN nanowire laser
operating at 239 nm at room temperature. Vertically aligned Al-rich AlGaN nanowires are …

[HTML][HTML] Low-threshold stimulated emission at 249 nm and 256 nm from AlGaN-based multiple-quantum-well lasers grown on sapphire substrates

XH Li, T Detchprohm, TT Kao, MM Satter… - Applied Physics …, 2014 - pubs.aip.org
Optically pumped deep-ultraviolet (DUV) lasing with low threshold was demonstrated from
AlGaN-based multiple-quantum-well (MQW) heterostructures grown on sapphire substrates …

Graded-index separate confinement heterostructure AlGaN nanowires: toward ultraviolet laser diodes implementation

H Sun, D Priante, JW Min, RC Subedi, MK Shakfa… - ACS …, 2018 - ACS Publications
High-density dislocations in materials and poor electrical conductivity of p-type AlGaN layers
constrain the performance of the ultraviolet light emitting diodes and lasers at shorter …

Deep-ultraviolet integrated photonic and optoelectronic devices: A prospect of the hybridization of group III–nitrides, III–oxides, and two-dimensional materials

N Alfaraj, JW Min, CH Kang, AA Alatawi… - Journal of …, 2019 - iopscience.iop.org
Progress in the design and fabrication of ultraviolet and deep-ultraviolet group III–nitride
optoelectronic devices, based on aluminum gallium nitride and boron nitride and their …