World's first hydrogen-based neuromorphic computer utilizes hydrogen migration for simultaneous memory and self-learning

https://www.eurekalert.org/news-releases/1120059

"oxide-based devices rely on often unstable oxygen defect movement... overcome using ultra-low-power, high-efficiency/ density AI semiconductor controlling hydrogen ion injection/ discharge using electrical signals implemented in 2-terminal vertical stack... simplified manufacturing, massive integration, stable through >1K repetitive operations maintaining memory state even after long storage periods... changes its conductivity gradually, allowing for sophisticated analog learning characteristics"

Related: 3D stacked semiconductors based sandwich-structured key transistor
https://www.eurekalert.org/news-releases/1120060