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High dose Co-60 gamma irradiation of InGaN quantum well light-emitting diodes
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10.1063/1.2132085
/content/aip/journal/apl/87/21/10.1063/1.2132085
http://aip.metastore.ingenta.com/content/aip/journal/apl/87/21/10.1063/1.2132085
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Optical micrograph of the LED die. The central circular contact is the -metal while the surrounding area is the -metal.

Image of FIG. 2.
FIG. 2.

Variation of forward turn-on voltage in LEDs as a function of measurement time after various -ray doses. Turn-on voltage is defined as the voltage at which the forward current is . The data for the unirradiated diodes are from a total of 15 die whose data are overlapped, for the samples there were 6 die and for the samples there were 18 die.

Image of FIG. 3.
FIG. 3.

Emission spectra from LEDs as a function of -ray doses. The forward voltage was held constant at during the measurement.

Image of FIG. 4.
FIG. 4.

Variation of reverse breakdown voltage in 410, 440, 465, and LEDs as a function of -ray dose.

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/content/aip/journal/apl/87/21/10.1063/1.2132085
2005-11-16
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: High dose Co-60 gamma irradiation of InGaN quantum well light-emitting diodes
http://aip.metastore.ingenta.com/content/aip/journal/apl/87/21/10.1063/1.2132085
10.1063/1.2132085
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