Journal Article memristors 3D reconstruction InGaZnOx field‐effect transistor Research Support, Non-U.S. Gov't Review artificial neural systems biological neural networks biological neural systems brain-inspired computing c-AFM computing‐in‐memory conductive filaments dendritic neuron units ionic dynamics monolithic 3D integration near‐sensor computing neural networks neuromorphic computing neuromorphic devices oxygen vacancies resistive random‐access memory