scholarly journals In-plane commensurate GaN/AlN junctions: Single-layer composite structures, single and multiple quantum wells and quantum dots

2017 ◽  
Vol 95 (15) ◽  
Author(s):  
A. Onen ◽  
D. Kecik ◽  
E. Durgun ◽  
S. Ciraci
Keyword(s):  
Quantum Dots ◽  
Quantum Wells ◽  
Composite Structures ◽  
Single Layer ◽  
Multiple Quantum Wells ◽  
Multiple Quantum ◽  
Layer Composite

scholarly journals Comparison of multiple-quantum wells and quantum dots by below-bandgap photomodulated reflectivity

1996 ◽  
Vol 11 (12) ◽  
pp. 1863-1872 ◽  
Author(s):  
P J Klar ◽  
D Wolverson ◽  
D E Ashenford ◽  
B Lunn ◽  
Torsten Henning
Keyword(s):  
Quantum Dots ◽  
Quantum Wells ◽  
Multiple Quantum Wells ◽  
Multiple Quantum

The influence of quasi-quantum dots on the physical properties of blue InGaN/GaN multiple quantum wells

2006 ◽  
Vol 17 (17) ◽  
pp. 4300-4306 ◽  
Author(s):  
Yen-Lin Lai ◽  
Chuan-Pu Liu ◽  
Tao-Hung Hsueh ◽  
Yung-Hsiang Lin ◽  
Hung-Chin Chung ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Physical Properties ◽  
Quantum Wells ◽  
Multiple Quantum Wells ◽  
Multiple Quantum

scholarly journals Multiple quantum wells and laser structures containing InAs quantum dots grown by molecular-beam epitaxy

2001 ◽  
Vol 225 (2-4) ◽  
pp. 550-555 ◽  
Author(s):  
Chin-An Chang ◽  
Cheng-Zu Wu ◽  
Pai-Yong Wang ◽  
Xing-Jian Guo ◽  
Yi-Tsuo Wu ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Molecular Beam Epitaxy ◽  
Quantum Wells ◽  
Molecular Beam ◽  
Multiple Quantum Wells ◽  
Multiple Quantum ◽  
Inas Quantum Dots

Blue-green-red LEDs based on InGaN Quantum Dots by Plasma-assisted MBE using GaN QDs for Dislocation Filtering

2006 ◽  
Vol 955 ◽  
Author(s):  
Tao Xu ◽  
Alexey Yu Nikiforov ◽  
Ryan France ◽  
Christos Thomidis ◽  
Adrian Williams ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Quantum Wells ◽  
Stark Effect ◽  
Single Layer ◽  
Emission Peak ◽  
Multiple Quantum ◽  
Threading Dislocations ◽  
Height Distribution ◽  
Nucleation Layer ◽  
Red Leds

ABSTRACTIn this paper, we report the development of blue-green-red LEDs based on InGaN quantum dots (QDs) and quantum wells in the active region, and GaN QDs in the nucleation layer for dislocation filtering, by plasma assisted molecular beam epitaxy. Self-assembled InGaN QDs and GaN QDs were grown in the Stranski-Krastanov mode. For the GaN QDs grown at 770 °C, the height distribution of the dots shows a bimodal distribution, which can be attributed to the interaction of the GaN QDs with the threading dislocations. TEM and XRD studies indicate that GaN QDs in the nucleation region help threading dislocations to deviate and annihilate. The average dot height, diameter and density of the InGaN QDs were estimated to be 3 nm, 30 nm and 7×1010 cm−2, respectively. The cathodoluminescence emission peak of the InGaN/GaN multiple layer quantum dots (MQDs) was found to red shift 330 meV with respect to the emission peak of the uncapped single layer of InGaN QDs due to Quantum Confined Stark effect. Blue LEDs based on InGaN/GaN multiple quantum wells (MQWs) as well as green and red LEDs based on InGaN MQDs emitting at 440 nm, 560 nm and 640 nm with FWHM of 30 nm, 87 nm and 97 nm, respectively, were grown and fabricated. The electroluminescence peak positions of both the green and red InGaN MQD LEDs are shown to be more blue-shifted with increasing injection current than that of the blue InGaN/GaN MQW LEDs.

FEMTOSECOND SPECTRAL HOLE-BURNING IN GaAs/AlGaAs MULTIPLE QUANTUM WELLS

1987 ◽  
Vol 48 (C5) ◽  
pp. C5-511-C5-515 ◽  
Author(s):  
J. L. OUDAR ◽  
J. DUBARD ◽  
F. ALEXANDRE ◽  
D. HULIN ◽  
A. MIGUS ◽  
...  
Keyword(s):  
Quantum Wells ◽  
Multiple Quantum Wells ◽  
Hole Burning ◽  
Spectral Hole Burning ◽  
Multiple Quantum ◽  
Spectral Hole

FAR INFRARED MAGNETO-ABSORPTION STUDY OF BARRIER IMPURITIES AND SCREENING IN GaAs/AlGaAs MULTIPLE QUANTUM WELLS

1987 ◽  
Vol 48 (C5) ◽  
pp. C5-239-C5-242 ◽  
Author(s):  
E. GLASER ◽  
B. V. SHANABROOK ◽  
R. J. WAGNER ◽  
R. L. HAWKINS ◽  
W. J. MOORE ◽  
...  
Keyword(s):  
Quantum Wells ◽  
Far Infrared ◽  
Multiple Quantum Wells ◽  
Multiple Quantum ◽  
Absorption Study
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