Modelling of the Sb and N distribution in type II GaAsSb/GaAsN superlattices for solar cell applications

Modelling of the Sb and N distribution in type II GaAsSb/GaAsN superlattices for solar cell... •Strain-balanced GaAsSb/GaAsN SLs have been grown with good interfaces and periodicity.•TEM revealed that the segregation moves away the real profiles from the nominal ones.•Sb follow a shark-fin waveform promoted by a three-layer fluid exchange mechanism.•The effectiveness of the Sb incorporation also depend on the SL period thickness.•Three-layer fluid exchange model is used to simulate the real Sb distribution. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Precambrian Research Elsevier

Modelling of the Sb and N distribution in type II GaAsSb/GaAsN superlattices for solar cell applications

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Publisher
Elsevier
Copyright
Copyright © 2018 Elsevier B.V.
ISSN
0301-9268
eISSN
1872-7433
D.O.I.
10.1016/j.apsusc.2018.02.113
Publisher site
See Article on Publisher Site

Abstract

•Strain-balanced GaAsSb/GaAsN SLs have been grown with good interfaces and periodicity.•TEM revealed that the segregation moves away the real profiles from the nominal ones.•Sb follow a shark-fin waveform promoted by a three-layer fluid exchange mechanism.•The effectiveness of the Sb incorporation also depend on the SL period thickness.•Three-layer fluid exchange model is used to simulate the real Sb distribution.

Journal

Precambrian ResearchElsevier

Published: May 1, 2018

References

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