Design of inorganic materials for brain-like computing

Science Daily  March 3, 2020
A team of researchers in the US (Texas A&M, Lawrence Berkeley National Laboratory) demonstrated that β′-CuxV2O5 exhibits a pronounced nonlinear response to applied temperature, voltage, and current, and the response can be modulated as a function of Cu stoichiometry. Unlike other materials that have a metal-insulator transition (MIT), this material relies on the movement of copper ions within a rigid lattice of vanadium and oxygen. They clarified the underlying mechanism driving this behavior. The utilization of coupled cation diffusion and polaron oscillation further demonstrates a means of using ionic vectors to obtain highly nonlinear conductance switching as required for neuromorphic computing…read more. Open Access TECHNICAL ARTICLE

Graphical abstract. Credit: Cell, February 27, 2020

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