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Efficiency of light emission in high aluminum content AlGaN quantum wells
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10.1063/1.3103321
/content/aip/journal/jap/105/7/10.1063/1.3103321
http://aip.metastore.ingenta.com/content/aip/journal/jap/105/7/10.1063/1.3103321
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Peak position, width, and intensity of PL band and normalized emission efficiency (ratio of PL intensity to excitation intensity) as a function of excitation power density at two temperatures: (a) and (b) .

Image of FIG. 2.
FIG. 2.

Photoluminescence spectra at excitation power density of and different temperatures: . The spectra are normalized and shifted along the vertical axis for clarity.

Image of FIG. 3.
FIG. 3.

Peak position and width of PL band and emission efficiency as a function of temperature at two excitation power densities indicated.

Image of FIG. 4.
FIG. 4.

Decay of PL intensity at different wavelengths indicated under high and low excitation energy density. The solid lines are single exponential fits corresponding to carrier lifetime of .

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/content/aip/journal/jap/105/7/10.1063/1.3103321
2009-04-03
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Efficiency of light emission in high aluminum content AlGaN quantum wells
http://aip.metastore.ingenta.com/content/aip/journal/jap/105/7/10.1063/1.3103321
10.1063/1.3103321
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