Ultrafast Multifunctional Photodetector Based on the NiAl2O4/4H-SiC Heterojunction
Pengbo Zhang,
Jiarui Guo,
Lingli Zhang
et al.
Abstract:Solar-blind photodetectors based on wide bandgap semiconductors have recently attracted a lot of interest. Nickelcontaining spinel phase oxides, such as NiAl 2 O 4 , are stable p-type semiconductors. This paper describes a multifunctional solar-blind photodetector based on a NiAl 2 O 4 /4H-SiC heterojunction that utilizes photovoltaic effects. The position sensitivity reaches a value of 1589.7 mV/mm under 405 nm laser illumination, while the relaxation times of vertical photovoltaic (VPV) effect and lateral ph… Show more
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