Journal Article neuromorphic computing 3G0H8C9362 49DFR088MY 789U1901C5 Cobalt Copper Platinum algebraic operations controlled filament growth crystal symmetry crystalline‐type memristor data storage deep learning network domain nucleation epitaxial Hf0.5Zr0.5O2 film ferroelectric memristors grain boundary diffusion ideal linearity quantum dots resistive switching robust endurance self-assembled PbS spin-orbit torques synapses vertically aligned nanostructures BaTiO3−CeO2 epitaxial structure