A. Vokhmintsev, R. Kamalov, A. V. Kozhevina, I. Petrenyov, N. A. Martemyanov, I. Weinstein
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Unidirectional synapse-like behavior of Zr/ZrO2-NT/Au layered structure
Zirconia nanotubular layer with an outer tube diameter « 25 nm was synthesized by potentiostatic anodization. The Zr/ZrO2-NT/Au memristive structure is fabricated using stencil mask and magnetron sputtering techniques. Current-voltage characteristics are measured in full cycles of resistive switching with varying parameters of the applied harmonic voltage. An equivalent circuit with unidirectional electrical conductivity for the studied structure is proposed. Estimates of the electrical resistance of memristors in high- and intermediate resistivity states are performed. The high synaptic plasticity of memristors based on the Zr/ZrO2-NT/Au structure is shown.
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