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(a) Schematic diagram of memory consolidation and forgetting in bio-system. (b) EPSC with pulse number of 2 (red) and 30 (blank curve). The enlarged picture shows the current difference between two modes. (c) Fitting of forgetting curve under 1, 5, 10, 30 and 50 pulse numbers. Characteristic relaxation time constant under different (d) pulse intervals and (e) pulse numbers.

(a) Schematic diagram of memory consolidation and forgetting in bio-system. (b) EPSC with pulse number of 2 (red) and 30 (blank curve). The enlarged picture shows the current difference between two modes. (c) Fitting of forgetting curve under 1, 5, 10, 30 and 50 pulse numbers. Characteristic relaxation time constant under different (d) pulse intervals and (e) pulse numbers.

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The rapid growth of information puts forward new requirements for computer including denser memory capacity and faster response beyond the traditional von Neumann architecture. One promising strategy is to employ novel computing devices such as artificial synapses (AS). Here, an Au/LPSE-SiO2/Si artificial synapse (LPSE-SiO2 AS) with a simple sandwi...