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- W3024251424 abstract "In this study, we developed filter-free AlGaN based PIN photodiodes for partial discharge detection that can detect ultraviolet emission with a wavelength between 230 nm and 270 nm. The PIN epitaxial structure consisted of a p-AlSUB0.6/SUBGaSUB0.4/SUBN/i- AlSUB0.46/SUBGaSUB0.54/SUBN/n-AlSUB0.6/SUBGaSUB0.4/SUBN heterostructure with p-GaN/p-AlGaN grading layers on top for improved ohmic contact formation. The fabricated photodiode exhibited highly selective photoresponse characteristics from 230 nm to 270 nm without an external filter. A peak photoresponsivity of 125 mA/W and quantum efficiency of 60% were achieved at 245 nm for a photodiode with a window diameter of 250 μm under zero bias condition where the dark current was only 1.3 × 10SUB-8/SUB A/cm². The proposed AlGaN PIN photodiode has the advantages of zero standby power and no need for an external filter." @default.
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- W3024251424 date "2020-04-30" @default.
- W3024251424 modified "2023-10-05" @default.
- W3024251424 title "Filter-free AlGaN Photodiode with High Quantum Efficiency for Partial Discharge Detection" @default.
- W3024251424 doi "https://doi.org/10.5573/jsts.2020.20.2.141" @default.
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