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Evolution of valence-band alignment with nitrogen content in single quantum wells
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10.1063/1.2958232
/content/aip/journal/apl/93/3/10.1063/1.2958232
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/3/10.1063/1.2958232

Figures

Image of FIG. 1.
FIG. 1.

Schematic of band edge alignment and PL/PR transitions in QWs. For , no confinement is for topmost lh valence subband. For the confinement is type I and for it is type II.

Image of FIG. 2.
FIG. 2.

(a) PR spectra for single QWs at room temperature. GaNAs-related features are zoomed in, their fitting energies are marked by arrows and digits. (b) vs extreme index for GaAs-related features, the data with fit to a straight line for the 4.7% and 5.9% samples, respectively.

Image of FIG. 3.
FIG. 3.

(a) Conduction-band (CB) and topmost valence-band (VB) for . (b) Zoomed-in topmost lh subband. Horizontal dashes indicate GaAs CB and VB. Solid lines by BAC model, dash-dot dots and dash dots by nonlinearly N-dependent and , respectively

Tables

Generic image for table
Table I.

Transition energies by fitting the PR spectra and by model-solid simulation for three single QWs.

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/content/aip/journal/apl/93/3/10.1063/1.2958232
2008-07-21
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Evolution of valence-band alignment with nitrogen content in GaNAs∕GaAs single quantum wells
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/3/10.1063/1.2958232
10.1063/1.2958232
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