AlGaInP/GaInP double-heterostructure orange light-emitting diodes on GaAsP substrates prepared by metalorganic vapor-phase epitaxy
Al 0.33Ga 0.32In 0.35P/Ga 0.65In 0.35P double-heterostructure (DH) light-emitting diodes (LEDs) grown on GaAs 0.7P 0.3 substrates have been fabricated by low-pressure metalorganic vapor-phase epitaxy. We investigate the band gap energy as a function of Al composition in the undoped Al x Ga 0.65− x I...
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Published in | Journal of crystal growth Vol. 137; no. 3; pp. 400 - 404 |
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Main Authors | , , , , |
Format | Journal Article |
Language | English |
Published |
Amsterdam
Elsevier B.V
01.04.1994
Elsevier |
Subjects | |
Online Access | Get full text |
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Summary: | Al
0.33Ga
0.32In
0.35P/Ga
0.65In
0.35P double-heterostructure (DH) light-emitting diodes (LEDs) grown on GaAs
0.7P
0.3 substrates have been fabricated by low-pressure metalorganic vapor-phase epitaxy. We investigate the band gap energy as a function of Al composition in the undoped Al
x
Ga
0.65−
x
In
0.35P alloy with
x = 0.0−0.195. Effects of Si and Zn doping on electrical properties have been examined by using disilane and dimethylzinc sources. The DH LED on a bare chip exhibits an emission wavelength around 615 nm and an external quantum efficiency of 0.156% at 20 mA. |
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ISSN: | 0022-0248 1873-5002 |
DOI: | 10.1016/0022-0248(94)90977-6 |