Issue 20, 2022

In-materio reservoir working at low frequencies in a Ag2S-island network

Abstract

A Ag2S-island network is fabricated with surrounding electrodes to enable it to be used as a reservoir for unconventional computing. Local conductance change occurs due to the growth/shrinkage of Ag filaments from/into each Ag2S island in the reservoir. The growth/shrinkage of Ag filaments is caused by the drift of Ag+ cations in each Ag2S island, which results in a unique non-linear response as a reservoir, especially at lower frequencies. The response of the reservoir is shown to depend on the frequency and amplitude of the input signals. So as to evaluate its capability as a reservoir, logical operations were performed using the subject Ag2S-island network, with the results showing an accuracy of greater than 99%.

Graphical abstract: In-materio reservoir working at low frequencies in a Ag2S-island network

Supplementary files

Article information

Article type
Paper
Submitted
15 mars 2022
Accepted
04 mai 2022
First published
05 mai 2022

Nanoscale, 2022,14, 7634-7640

Author version available

In-materio reservoir working at low frequencies in a Ag2S-island network

M. Nakajima, K. Minegishi, Y. Shimizu, Y. Usami, H. Tanaka and T. Hasegawa, Nanoscale, 2022, 14, 7634 DOI: 10.1039/D2NR01439D

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