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-based photodetectors covering the whole solar-blind spectrum range
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10.1063/1.3002371
/content/aip/journal/apl/93/17/10.1063/1.3002371
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/17/10.1063/1.3002371
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

XRD patterns of the films with Mg compositions of 0.50, 0.52, 0.55, 0.62, and 0.70, respectively.

Image of FIG. 2.
FIG. 2.

Transmission spectra of thin films (, 0.52, 0.55, 0.62, and 0.70). The inset is a plot of vs that gives the band gaps of these films.

Image of FIG. 3.
FIG. 3.

Schematic of MSM structured photodetector. The Au fingers are long and wide, and the interelectrode spacing is .

Image of FIG. 4.
FIG. 4.

(a) Response spectrum of solar-blind photodetector under 10 V bias, the inset shows the responsivity as function of bias voltage under 250 nm light illumination. (b) Dark current of the photodetector as a function of bias voltage.

Image of FIG. 5.
FIG. 5.

Normalized response spectra of photodetectors with , 0.52, 0.55, 0.62, and 0.70. The inset shows the cutoff wavelength of the photodetectors as a function of Mg content.

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/content/aip/journal/apl/93/17/10.1063/1.3002371
2008-10-29
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: MgxZn1−xO-based photodetectors covering the whole solar-blind spectrum range
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/17/10.1063/1.3002371
10.1063/1.3002371
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