Nature CommunicationsFeedback neurons based on perovskite memristor with nickel single-atom engineered reduced graphene oxide cathodeQing-Xiu LiHua-Xin LiTao SunMing-Hao JiangYan-Bing LengZi-Yu LvYou ZhouYe ZhouWai-Yeung WongSu-Ting Han2026-02-23Full textDOI https://doi.org/10.1038/s41467-026-69805-2