We report on the structure and performance of 4H-SiC p+-n APDs fabricated in a fully planar technology. A dark current density lower than 10 nA/cm2at 30-V reverse bias and a breakdown voltage of 88 V were observed. A gain as high as 105was measured at 94-V reverse bias, confirming the avalanche multiplication working condition. The maximum responsivity value was measured at 270 nm, increasing from 0.06 A/W (QE = 29%) at 0-V bias to 0.10 A/W (QE of about 45%) at 30-V reverse bias.
Titolo: | Fully Planar 4H-SiC Avalanche Photodiode with Low Breakdown Voltage | |
Autori interni: | ||
Data di pubblicazione: | 2017 | |
Rivista: | ||
Handle: | http://hdl.handle.net/20.500.11769/322790 | |
Appare nelle tipologie: | 1.1 Articolo in rivista |
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