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Issue 29, 2016
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Ag2S atomic switch-based ‘tug of war’ for decision making

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Abstract

For a computing process such as making a decision, a software controlled chip of several transistors is necessary. Inspired by how a single cell amoeba decides its movements, the theoretical ‘tug of war’ computing model was proposed but not yet implemented in an analogue device suitable for integrated circuits. Based on this model, we now developed a new electronic element for decision making processes, which will have no need for prior programming. The devices are based on the growth and shrinkage of Ag filaments in α-Ag2+δS gap-type atomic switches. Here we present the adapted device design and the new materials. We demonstrate the basic ‘tug of war’ operation by IV-measurements and Scanning Electron Microscopy (SEM) observation. These devices could be the base for a CMOS-free new computer architecture.

Graphical abstract: Ag2S atomic switch-based ‘tug of war’ for decision making

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Supplementary files

Article information


Submitted
26 Jan 2016
Accepted
01 May 2016
First published
18 May 2016

Nanoscale, 2016,8, 14031-14036
Article type
Paper

Ag2S atomic switch-based ‘tug of war’ for decision making

C. Lutz, T. Hasegawa and T. Chikyow, Nanoscale, 2016, 8, 14031
DOI: 10.1039/C6NR00690F

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