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

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...

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Bibliographic Details
Published inNanoscale Vol. 14; no. 20; pp. 7634 - 7640
Main Authors Nakajima, Motoharu, Minegishi, Kazuki, Shimizu, Yosuke, Usami, Yuki, Tanaka, Hirofumi, Hasegawa, Tsuyoshi
Format Journal Article
LanguageEnglish
Published Cambridge Royal Society of Chemistry 05.05.2022
Subjects
Filaments
Nonlinear response
Reservoirs
Shrinkage
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Summary: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%.
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ISSN:2040-3364
2040-3372
2040-3372
DOI:10.1039/d2nr01439d