Articles with "multiple quantum" as a keyword



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Strain‐Modulated Light Emission Properties in a Single InGaN/GaN Multiple‐Quantum‐Well Microwire‐Based Flexible Light‐Emitting Diode

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Published in 2021 at "Advanced Engineering Materials"

DOI: 10.1002/adem.202001430

Abstract: Micro/nanowire light‐emitting diodes (LEDs) have inspired considerable research interests due to their potential applications in microdisplays and micro/nano‐optoelectronic integrated systems. Herein, a single InGaN/GaN multiple‐quantum‐well (MQW) microwire‐based flexible LED with high‐efficiency current injection and spreading… read more here.

Keywords: ingan gan; gan multiple; light emitting; single ingan ... See more keywords
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Engineering Band-Type Alignment in CsPbBr3 Perovskite-Based Artificial Multiple Quantum Wells.

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Published in 2021 at "Advanced materials"

DOI: 10.1002/adma.202005166

Abstract: Semiconductor heterostructures of multiple quantum wells (MQWs) have major applications in optoelectronics. However, for halide perovskites-the leading class of emerging semiconductors-building a variety of bandgap alignments (i.e., band-types) in MQWs is not yet realized owing… read more here.

Keywords: multiple quantum; band; quantum wells; perovskite based ... See more keywords
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Spectra of PT-symmetric fractional Schrödinger equations with multiple quantum wells

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Published in 2020 at "Journal of Computational Electronics"

DOI: 10.1007/s10825-020-01576-5

Abstract: We evaluate the eigenvalues of a type of one-dimensional PT-symmetric fractional Schrodinger equation with multiple quantum wells potential profile. By using a finite-difference scheme, we solve the fractional Schrodinger equation and present the algorithm. We… read more here.

Keywords: multiple quantum; spectra symmetric; symmetric fractional; pairwise coalescence ... See more keywords
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MOVPE van der Waals epitaxial growth of AlGaN/AlGaN multiple quantum well structures with deep UV emission on large scale 2D h-BN buffered sapphire substrates

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Published in 2019 at "Journal of Crystal Growth"

DOI: 10.1016/j.jcrysgro.2018.10.060

Abstract: Abstract We report wafer-scale growth and mechanical exfoliation of 20 periodAl0.58Ga0.42N/Al0.37Ga0.63N multiple quantum wells (MQWs) on h-BN buffered templates and compare them to control samples of the same structure on AlN templates. X-ray diffraction measurements… read more here.

Keywords: growth; emission; structure; movpe van ... See more keywords
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A promising approach for in-situ growth of phosphor-free white InGaN/GaN multiple quantum wells with V-pits

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Published in 2020 at "Journal of Luminescence"

DOI: 10.1016/j.jlumin.2020.117520

Abstract: Abstract For comfortable interior and mood lighting, warm and natural white light with excellent color version is indispensable. Here, we reported a main progress that in-situ generation of V-pits in InGaN/GaN layers intentionally to realize… read more here.

Keywords: multiple quantum; ingan gan; situ; quantum wells ... See more keywords
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High nitrogen composition–induced low interfacial roughness of GaAs0.978N0.022/GaAs multiple quantum wells grown through solid-source molecular beam epitaxy

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Published in 2017 at "Materials Research Bulletin"

DOI: 10.1016/j.materresbull.2016.12.032

Abstract: Abstract GaAs 1−x N x /GaAs multiple quantum wells (MQWs) were grown on GaAs(001) substrates through solid-source molecular beam epitaxy under various nitrogen background pressures (NBPs), and the crystal quality at the interface of GaAs… read more here.

Keywords: nitrogen; multiple quantum; gaas; gaas multiple ... See more keywords
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Simultaneous light emission and detection of InGaN/GaN multiple quantum well diodes for in-plane visible light communication

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Published in 2017 at "Optics Communications"

DOI: 10.1016/j.optcom.2016.10.070

Abstract: Abstract This paper presents the design, fabrication, and experimental characterization of monolithically integrated p-n junction InGaN/GaN multiple quantum well diodes (MQWDs) and suspended waveguides. Suspended MQWDs can be used as transmitters and receivers simultaneously, and… read more here.

Keywords: communication; gan multiple; multiple quantum; ingan gan ... See more keywords
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Competition effects of multiple quantum paths in an atom interferometer

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Published in 2018 at "Optics Communications"

DOI: 10.1016/j.optcom.2018.08.016

Abstract: Abstract We present an observation of competition effect among multiple quantum paths in a Raman-type Mach–Zehnder atom interferometer. The contrast of interference fringes is studied in a co-propagating three-Raman-pulse atom interferometer. By measuring the contrast… read more here.

Keywords: quantum paths; contrast; multiple quantum; competition effects ... See more keywords
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Efficiency enhancement of green organic light-emitting diode utilizing aromatic diamine/bathocuproine multiple quantum wells

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Published in 2021 at "Optical Materials"

DOI: 10.1016/j.optmat.2021.111125

Abstract: Abstract Organic light-emitting diodes based on multiple-quantum-well (MQW) structures consisting of regular placement of N, N′-Di (1-naphthyl)-N, N′-diphenyl-(1,1′-biphenyl)-4,4′-diamine (NPB) and bathocuproine (BCP) layers have been fabricated. The findings show that the QWs structure can intensely… read more here.

Keywords: light emitting; diamine; organic light; quantum ... See more keywords
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Optimization of growth and fabrication techniques to enhance the InGaN/GaN multiple quantum well solar cells performance

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Published in 2017 at "Superlattices and Microstructures"

DOI: 10.1016/j.spmi.2017.05.014

Abstract: Abstract Two structures of InGaN/GaN multiple quantum well solar cells are grown and fabricated in this work, which are 30 periods In0.14Ga0.86N/GaN (1.72 nm/4.14 nm, sample A) and In0.19Ga0.81N/GaN (2.76 nm/4.14 nm, sample B), respectively. The peak… read more here.

Keywords: gan multiple; solar cells; multiple quantum; ingan gan ... See more keywords
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Electronic and optical properties of GaAs/AlGaAs Fibonacci ordered multiple quantum well systems

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Published in 2017 at "Superlattices and Microstructures"

DOI: 10.1016/j.spmi.2017.10.029

Abstract: Abstract We numerically investigated the optical rectification coefficients (ORCs), transmission coefficient, energy levels and corresponding eigen-functions of GaAs/AlGaAs Fibonacci ordered multiple quantum well systems (FO-MQWs) in the presence of an external electric field. In our… read more here.

Keywords: ordered multiple; multiple quantum; algaas fibonacci; fibonacci ordered ... See more keywords