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Impact of substrate temperature on the structural and optical properties of strain-balanced InAs/InAsSb type-II superlattices grown by molecular beam epitaxy
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10.1063/1.4793231
/content/aip/journal/apl/102/7/10.1063/1.4793231
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/7/10.1063/1.4793231

Figures

Image of FIG. 1.
FIG. 1.

High-resolution (004) x-ray diffraction patterns and simulations for samples E and G, which are 1-μm thick and have SL periods of 12 and 24.6 nm, respectively.

Image of FIG. 2.
FIG. 2.

Cross-section electron micrograph of sample G, demonstrating excellent structural quality.

Image of FIG. 3.
FIG. 3.

Sb composition as a function of substrate temperature. The squares are samples A to E and the dotted line is a linear fit.

Image of FIG. 4.
FIG. 4.

Low-temperature PL spectra at 12 K for two groups of InAs/InAs1− x Sb x SL samples: (a) group I and (b) group II.

Image of FIG. 5.
FIG. 5.

Simulated and experimental PL linewidth versus SL period.

Tables

Generic image for table
Table I.

Structures, growth conditions, and XRD results of various InAs/InAs1− x Sb x samples; x is the Sb composition and Δa/a is the lattice mismatch.

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/content/aip/journal/apl/102/7/10.1063/1.4793231
2013-02-20
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Impact of substrate temperature on the structural and optical properties of strain-balanced InAs/InAsSb type-II superlattices grown by molecular beam epitaxy
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/7/10.1063/1.4793231
10.1063/1.4793231
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