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Polarization control of electroluminescence from vertically stacked InAs/GaAs quantum dots
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10.1063/1.3441403
/content/aip/journal/apl/96/21/10.1063/1.3441403
http://aip.metastore.ingenta.com/content/aip/journal/apl/96/21/10.1063/1.3441403
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Figures

Image of FIG. 1.
FIG. 1.

Cross-sectional TEM images of the (a) three-, (b) six-, and (c) nine-layer stacked QDs. (d) Enlarged TEM image of nine-layer stacked QDs (dotted square). (e) Schematic illustration of stacked QD structure observed in TEM images.

Image of FIG. 2.
FIG. 2.

(Upper panels) Polarized PL spectra of the (a) three-, (b) six-, and (c) nine-layer stacked QDs. (Lower panels) Polarization anisotropy derived from PL spectra.

Image of FIG. 3.
FIG. 3.

(Upper panels) Polarized EL spectra of the (a) three-, (b) six-, and (c) nine-layer stacked QDs. (Lower panels) Polarization difference spectra derived from EL spectra. Polarization differences at black arrows are 9.6, 5.8, and 1.2 dB for the (a) three-, (b) six-, and (c) nine-layer stacked QDs.

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/content/aip/journal/apl/96/21/10.1063/1.3441403
2010-05-27
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Polarization control of electroluminescence from vertically stacked InAs/GaAs quantum dots
http://aip.metastore.ingenta.com/content/aip/journal/apl/96/21/10.1063/1.3441403
10.1063/1.3441403
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