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Dual-color ultraviolet photodetector based on mixed-phase-MgZnO/i-MgO/p-Si double heterojunction
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10.1063/1.4746772
/content/aip/journal/apl/101/8/10.1063/1.4746772
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/8/10.1063/1.4746772
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Figures

Image of FIG. 1.
FIG. 1.

Current-voltage (I-V) characteristic curve of the Au/MP-MgZnO/i-MgO/p-Si/In double heterojunction photodetector. The inset shows the schematic configuration of the double heterojunction photodetector structure.

Image of FIG. 2.
FIG. 2.

(a) θ-2θ XRD spectrum of the MP-MgZnO films, the inset shows the scanning electron microscopy (SEM) images of MP-MgZnO grown on the p-Si substrate. (b) Photoresponse spectra of the DH photodetector at different bias voltages measured in the normal incidence geometry. (c) The peak response of UVA and UVC individually as a function of bias.

Image of FIG. 3.
FIG. 3.

Schematic diagram showing the band alignment of the MP-MgZnO/MgO/p-Si double heterojunction: (a) under equilibrium condition and (b) under illumination at different reverse bias.

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/content/aip/journal/apl/101/8/10.1063/1.4746772
2012-08-20
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Dual-color ultraviolet photodetector based on mixed-phase-MgZnO/i-MgO/p-Si double heterojunction
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/8/10.1063/1.4746772
10.1063/1.4746772
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