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Spin injection from into an InGaAs quantum well
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10.1063/1.2938418
/content/aip/journal/apl/92/23/10.1063/1.2938418
http://aip.metastore.ingenta.com/content/aip/journal/apl/92/23/10.1063/1.2938418
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) The self-consistent field calculated band diagram of the spin LED structure, showing the excitonic transition. (b) The electroluminescence spectrum at confirming that the emission is dominated by the free exciton.

Image of FIG. 2.
FIG. 2.

Oblique Hanle effect in the spin LED at at a bias voltage . The effective spin lifetimes are estimated from fits to Bloch theory. The inset shows Hanle effect measurements at higher bias voltages at , showing a decrease in amplitude accompanied by a widening of the curves.

Image of FIG. 3.
FIG. 3.

The bias current dependent polarization at showing the change in sign due to magnetic field reversal. The error bars arise at low bias due to the drop in light intensity.

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/content/aip/journal/apl/92/23/10.1063/1.2938418
2008-06-09
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Spin injection from Co2MnGa into an InGaAs quantum well
http://aip.metastore.ingenta.com/content/aip/journal/apl/92/23/10.1063/1.2938418
10.1063/1.2938418
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