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Persistent photocurrent spectroscopy of GaN metal–semiconductor–metal photodetectors on long time scale
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10.1063/1.1840122
/content/aip/journal/apl/85/25/10.1063/1.1840122
http://aip.metastore.ingenta.com/content/aip/journal/apl/85/25/10.1063/1.1840122
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Decay kinetic on long time scale of the MSM GaN-based photodetector recorded at different temperatures under bias of . The open symbols are the experimental data and the full lines are the fitting curves.

Image of FIG. 2.
FIG. 2.

The Arrhenius plots of the PPC decay time constants (a) and (b) obtained on long time scale. The corresponding activation energies are about and about , respectively.

Image of FIG. 3.
FIG. 3.

Photocurrent spectrum of the MSM GaN-based photodetector at RT under bias of 10. Full lines point out the two slope changes in the photocurrent with sharp onset, indicated by the arrows, at and .

Image of FIG. 4.
FIG. 4.

(a) Plot of and (b) of vs photon energy. The deep level energies obtained through the linear fits (full lines) are and , respectively.

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/content/aip/journal/apl/85/25/10.1063/1.1840122
2004-12-15
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Persistent photocurrent spectroscopy of GaN metal–semiconductor–metal photodetectors on long time scale
http://aip.metastore.ingenta.com/content/aip/journal/apl/85/25/10.1063/1.1840122
10.1063/1.1840122
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