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Using the excitation-dependent radiative efficiency to assess asymmetry in the defect-related density of states
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10.1063/1.2709986
/content/aip/journal/apl/90/9/10.1063/1.2709986
http://aip.metastore.ingenta.com/content/aip/journal/apl/90/9/10.1063/1.2709986
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Radiative efficiency of a lattice-matched heterostructure vs the rate of electron-hole pair generation and recombination in steady state. The curves are theoretical fits assuming defect levels are clustered near the center of the band gap.

Image of FIG. 2.
FIG. 2.

Revised presentation of Fig. 1 showing the net recombination rate vs the product of band carrier densities. The curves are theoretical fits using the symmetric defect-related DOS function shown in the inset (with valence and conduction band edges and ).

Image of FIG. 3.
FIG. 3.

Results from Fig. 2 with theoretical fits using the asymmetric DOS function shown in the inset.

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/content/aip/journal/apl/90/9/10.1063/1.2709986
2007-02-28
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Using the excitation-dependent radiative efficiency to assess asymmetry in the defect-related density of states
http://aip.metastore.ingenta.com/content/aip/journal/apl/90/9/10.1063/1.2709986
10.1063/1.2709986
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