TITLE

Effects of thermal annealing on the band gap of GaInAsSb

AUTHOR(S)
Dier, Oliver; Dachs, Susanne; Grau, Markus; Chun Lin; Lauer, Christian; Amann, Markus-Christian
PUB. DATE
April 2005
SOURCE
Applied Physics Letters;4/11/2005, Vol. 86 Issue 15, p151120
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
In this Letter, the thermal stability of GaInAsSb grown by molecular-beam epitaxy was investigated. We found a strong blueshift for both bulk material and multiple-quantum-well (MQW) structures caused by thermal annealing. The shift is almost independent of design parameters such as indium concentration, strain, and growth parameters such as temperature. For a 500-nm-thick GaInAsSb bulk layer, a blueshift of 83 meV was found after annealing for 2 h at 520 °C, whereas for MQW structures the maximum shift was 61 meV.
ACCESSION #
17185389

 

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