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Evidence of type-I direct recombination in InP/GaP quantum dots via magnetoluminescence
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10.1063/1.3246161
/content/aip/journal/apl/95/15/10.1063/1.3246161
http://aip.metastore.ingenta.com/content/aip/journal/apl/95/15/10.1063/1.3246161
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

PL spectra taken using several excitation power densities at 95 K. The right inset shows the integrated intensity of the ground state (squares) saturating, while the first excited peak (triangles) increases superlinearly. The left inset demonstrates fitting with two Gaussian peaks for excitation.

Image of FIG. 2.
FIG. 2.

PL spectra at 85 K and various magnetic fields, from around 0 (foreground) to 56 T (background). The laser power density on the sample was about . The steps in magnetic field from one spectrum to the next are not constant; spectra are only ordered and then plotted equidistantly. Dashed lines show the two emission peaks used in analysis.

Image of FIG. 3.
FIG. 3.

Peak PL emission energy as function of magnetic field at 85 K for the ground state and the first excited state (circles). The lines show the shift in Fock–Darwin states according to simulation.

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/content/aip/journal/apl/95/15/10.1063/1.3246161
2009-10-13
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Evidence of type-I direct recombination in InP/GaP quantum dots via magnetoluminescence
http://aip.metastore.ingenta.com/content/aip/journal/apl/95/15/10.1063/1.3246161
10.1063/1.3246161
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