We have fabricated two types of UV photodetector in 6H-SiC: UV photodiodes using SiC Schottky-barrier structures; SiC photodiodes using shallow p-n junctions. The monochromatic sensitivity of the Schottky-barrier photodetectors (at a wavelength of 215 nm) is 0.15 A/W, and of the p-n junction photodetectors (at a wavelength of 225 nm) 0. 3 A/W.
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