Fig. 10: Structure and performance of AlGaN Schottky barrier photodiodes.
From: Progress on AlGaN-based solar-blind ultraviolet photodetectors and focal plane arrays
a Schematic structure of Schottky AlGaN photodetector. b Responsivity of the fabricated device at 0 V. Reprinted with permission from Sang et al.166. Copyright 2008 Chinese Physical Society and IOP Publishing Ltd. c Dark current of the fabricated AlGaN photodetector. d Responsivity of the devices at different applied voltages. e Pulse response of the devices at different applied voltages. f Corresponding fast Fourier transform curves. Reprinted with permission from Tut et al.169. Copyright 2004 Elsevier Ltd
