Optical properties of In x Ga 1-x N/GaN quantum-disks obtained by selective area sublimation
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Crystal Growth"
DOI: 10.1016/j.jcrysgro.2017.01.010
Abstract: Abstract We study the cathodoluminescence (CL) and the photoluminescence (PL) properties of In x Ga 1−x N/GaN quantum disks (QDisks) included in nanowires obtained by selective area sublimation from an In x Ga 1−x N/GaN… read more here.
Keywords: obtained selective; gan quantum; properties gan; quantum disks ... See more keywords
Effects of two-mode transverse optical phonons in bulk wurtzite AlGaN on electronic mobility in AlGaN/GaN quantum wells
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Applied Physics"
DOI: 10.1063/1.4974448
Abstract: The two-mode property of bulk transverse optical (TO) phonons in ternary mixed crystals of wurtzite AlxGa1-xN has been investigated by introducing impurity modes in a modified random-element isodisplacement model. Based on the dielectric continuous model,… read more here.
Keywords: effects two; gan quantum; two mode; algan gan ... See more keywords
GaN surface as the source of non-radiative defects in InGaN/GaN quantum wells
Sign Up to like & getrecommendations! Published in 2018 at "Applied Physics Letters"
DOI: 10.1063/1.5048010
Abstract: Blue light-emitting diodes based on III-nitride semiconductors are nowadays widely used for solid-state lighting. They exhibit impressive figures of merit like an internal quantum efficiency close to 100%. This value is intriguing when considering the… read more here.
Keywords: quantum; gan quantum; source; ingan gan ... See more keywords
Mechanisms of GaN quantum dot formation during nitridation of Ga droplets
Sign Up to like & getrecommendations! Published in 2020 at "Applied Physics Letters"
DOI: 10.1063/1.5133965
Abstract: We have examined the formation mechanisms of GaN quantum dots (QDs) via annealing of Ga droplets in a nitrogen flux. We consider the temperature and substrate dependence of the size distributions of droplets and QDs,… read more here.
Keywords: dot formation; formation nitridation; mechanisms gan; quantum dot ... See more keywords
Ultrathin GaN quantum wells in AlN nanowires for UV-C emission
Sign Up to like & getrecommendations! Published in 2023 at "Nanotechnology"
DOI: 10.1088/1361-6528/accaeb
Abstract: Molecular beam epitaxy growth and optical properties of GaN quantum disks in AlN nanowires were investigated, with the purpose of controlling the emission wavelength of AlN nanowire-based light emitting diodes. Besides GaN quantum disks with… read more here.
Keywords: quantum disks; aln nanowires; quantum; gan quantum ... See more keywords
AlGaN-Delta-GaN Quantum Well for DUV LEDs
Sign Up to like & getrecommendations! Published in 2020 at "Photonics"
DOI: 10.3390/photonics7040087
Abstract: AlGaN-delta-GaN quantum well (QW) structures have been demonstrated to be good candidates for the realization of high-efficiency deep-ultraviolet (DUV) light-emitting diodes (LEDs). However, such heterostructures are still not fully understood. This study focuses on investigation… read more here.
Keywords: gan quantum; algan delta; delta gan; efficiency ... See more keywords