On the enhancement of carrier injection efficiency by employing AlInN last quantum barrier in 277 nm ultraviolet light-emitting diodes
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Applied Physics"
DOI: 10.1063/5.0050345
Abstract: The AlInN last quantum barrier (LQB) has been employed instead of conventional AlGaN in ultraviolet light-emitting diodes (UV LEDs). The simulation results reveal that p-doped AlInN and un-doped AlInN LQB effectively suppressed electron leakage and… read more here.
Keywords: alinn last; quantum barrier; last quantum; alinn ... See more keywords
Perfect Spin Filter by Periodic Drive of a Ferromagnetic Quantum Barrier.
Sign Up to like & getrecommendations! Published in 2017 at "Physical review letters"
DOI: 10.1103/physrevlett.119.267701
Abstract: We consider the problem of particle tunneling through a periodically driven ferromagnetic quantum barrier connected to two leads. The barrier is modeled by an impurity site representing a ferromagnetic layer or a quantum dot in… read more here.
Keywords: quantum; ferromagnetic quantum; quantum barrier; perfect spin ... See more keywords
Internal quantum efficiency enhancement employing composition-graded last quantum barrier and electron blocking layer
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Photonics for Energy"
DOI: 10.1117/1.jpe.10.024505
Abstract: Abstract. We reduce the problem of asymmetrical distribution of carriers (electrons and holes) by engineering the last barrier and electron blocking layer (EBL) of green indium gallium nitride (InGaN)-based multiquantum well light-emitting diodes. We employ… read more here.
Keywords: electron blocking; blocking layer; last quantum; barrier electron ... See more keywords
Stacked GaN/AlN last quantum barrier for high-efficiency InGaN-based green light-emitting diodes.
Sign Up to like & getrecommendations! Published in 2021 at "Optics letters"
DOI: 10.1364/ol.434867
Abstract: Realization of efficient InGaN-based green light-emitting diodes (LEDs) is highly desirable in solid-state lighting industry. Here, we propose a stacked last quantum barrier (SLQB) GaN/AlN layer for green (∼550nm) LEDs grown on patterned sapphire substrate… read more here.
Keywords: last quantum; ingan based; based green; quantum barrier ... See more keywords
Theoretical Optical Output Power Improvement of InGaN-Based Violet Laser Diode Using AlGaN/GaN Composite Last Quantum Barrier
Sign Up to like & getrecommendations! Published in 2022 at "Nanomaterials"
DOI: 10.3390/nano12223990
Abstract: Electron leakage has an adverse influence on the optical output power for laser diodes (LDs), especially where the conventional last quantum barrier (LQB) in the multiple quantum well (MQW) active region may cause severe leakage… read more here.
Keywords: output power; quantum barrier; optical output; last quantum ... See more keywords