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Structural and optical characterization of type-II InAs/InAs1−xSbx superlattices grown by metalorganic chemical vapor deposition
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10.1063/1.3625429
/content/aip/journal/apl/99/7/10.1063/1.3625429
http://aip.metastore.ingenta.com/content/aip/journal/apl/99/7/10.1063/1.3625429

Figures

Image of FIG. 1.
FIG. 1.

(Color online) High-resolution (004) XRD patterns and simulations (offset below each measurement) for samples A and B.

Image of FIG. 2.
FIG. 2.

Cross-sectional transmission electron micrograph of sample A demonstrating the excellent crystallinity of the InAs/InAsSb superlattice grown on a GaSb (100) substrate.

Image of FIG. 3.
FIG. 3.

(Color online) Photoluminescence spectra at 6 K for samples A and B. The inset shows the type-II band alignment between InAs and InAs1−xSbx.

Image of FIG. 4.
FIG. 4.

(Color online) The temperature-dependent spectral photoresponse of sample A, showing strong signals up to 200 K and out to 8.6 μm (145 meV), and sample B, showing signals up to only 60 K and out to 5.9 μm (210 meV).

Tables

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Table I.

Structural details for the superlattices studied in this work.

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/content/aip/journal/apl/99/7/10.1063/1.3625429
2011-08-18
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Structural and optical characterization of type-II InAs/InAs1−xSbx superlattices grown by metalorganic chemical vapor deposition
http://aip.metastore.ingenta.com/content/aip/journal/apl/99/7/10.1063/1.3625429
10.1063/1.3625429
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