Abstract
Reversible resistive switching of Cr2O3 films was studied by use of conductive atomic force microscopy. Resistive switching in Cr2O3 films occurs as a result of Ag filament paths formed during electrochemical redox reactions. A large memory density of 100 Tbit/sq. inch was achieved with a small filament diameter of 2.9 nm under the action of a compliance current of 10 nA. A fast switching speed of 10 ns, high scalability, and low set/reset currents suggest that Cr2O3-based resistive memory is suitable for nanoscale devices.
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Pham, K.N., Choi, M., Tran, C.V. et al. Study of the Resistive Switching Effect in Chromium Oxide Thin Films by Use of Conductive Atomic Force Microscopy. J. Electron. Mater. 44, 3395–3400 (2015). https://doi.org/10.1007/s11664-015-3889-z
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DOI: https://doi.org/10.1007/s11664-015-3889-z