Protonic nickelate device networks for spatiotemporal neuromorphic computing, Y. Zhou, S. Shah, T. Dey, Y. Zhou, A. Kumar, S. Sriram, S. Guo, S. Kumar, R. K. Patel, E. Y. Andrei, E. Cubukcu, S. Ramanathan and D. Kuzum, Nature Nanotechnology (asap, 2026)