The atomic switch

Masakazu Aono, Tsuyoshi Hasegawa

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

An atomic switch is a nanoionic device that controls the diffusion of metal ions and their reduction/oxidation processes in the switching operation to form/annihilate a metal atomic bridge, which is a conductive path between two electrodes in anon-state. Since metal atoms can provide a highly conductive channel even if their size is in the nanometer scale, atomic switches may enable downscaling to smaller than the 11-nm technology node. Two-terminal atomic switches have the potential for use in memories and programmable switches. Three-terminal atomic switches, where the formation/annihilation of a metal atomic bridge between a source electrode and a drain electrode are controlled by a third (gate) electrode, work as nonvolatile transistors. Recent development of two-terminal atomic switches that use a metal oxide as the ionic conductive material, in which a metal atomic bridge is formed, has enabled the integration of atomic switches with complementary metal oxide semiconductor (CMOS) devices. Also introduced are the novel characteristics of atomic switches, such as their small size, low power consumption, lowon -resistance, nonvolatility, and learning abilities.

Original languageEnglish
Article number5557741
Pages (from-to)2228-2236
Number of pages9
JournalProceedings of the IEEE
Volume98
Issue number12
DOIs
Publication statusPublished - 2010 Dec
Externally publishedYes

Fingerprint

Switches
Metals
Electrodes
Conductive materials
MOS devices
Metal ions
Transistors
Electric power utilization
Data storage equipment
Atoms
Oxidation
Oxides

Keywords

  • Atomic switch
  • electrochemical devices
  • nanoionics devices
  • nonvolatile memories
  • three-terminal switch
  • two-terminal switch

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

The atomic switch. / Aono, Masakazu; Hasegawa, Tsuyoshi.

In: Proceedings of the IEEE, Vol. 98, No. 12, 5557741, 12.2010, p. 2228-2236.

Research output: Contribution to journalArticle

Aono, Masakazu ; Hasegawa, Tsuyoshi. / The atomic switch. In: Proceedings of the IEEE. 2010 ; Vol. 98, No. 12. pp. 2228-2236.
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