Self-powered photodiodes integrating sub-20 nm ferroelectric layer into WSe2 channel with sub-fJ programming energy for edge computing

https://www.eurekalert.org/news-releases/1138477

"vision processing has latency/ energy bottlenecks from image sensing/ computing separation... overcome with ferroelectric homojunction using reconfigurable photodiode integrating: ambipolar tungsten diselenide/ hafnium zirconium oxide... split-gate enables polarity-switchable photocurrent under 0 external bias, allowing optical signal processing at pixel level... 50 μs switching speed, >100 seconds non-volatile state retention... CMOS-compatible energy-efficient unified sensing/ memory/ computing vision systems"