Room-temperature-concerted switch made of a binary atom cluster

Eiichi Inami (), Ikutaro Hamada, Keiichi Ueda, Masayuki Abe, Seizo Morita and Yoshiaki Sugimoto
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Eiichi Inami: Graduate School of Engineering, Osaka University
Ikutaro Hamada: International Center for Materials Nanoarchitectonics, National Institute for Materials Science
Keiichi Ueda: Graduate School of Engineering, Osaka University
Masayuki Abe: Graduate School of Engineering Science, Osaka University
Seizo Morita: The Institute of Scientific and Industrial Research, Osaka University
Yoshiaki Sugimoto: Graduate School of Engineering, Osaka University

Nature Communications, 2015, vol. 6, issue 1, 1-7

Abstract: Abstract Single-atom/molecule manipulation for fabricating an atomic-scale switching device is a promising technology for nanoelectronics. So far, scanning probe microscopy studies have demonstrated several atomic-scale switches, mostly in cryogenic environments. Although a high-performance switch at room temperature is essential for practical applications, this remains a challenging obstacle to overcome. Here we report a room-temperature switch composed of a binary atom cluster on the semiconductor surface. Distinctly different types of manipulation techniques enable the construction of an atomically defined binary cluster and the electronic switching of the conformations, either unidirectionally or bidirectionally. The switching process involves a complex rearrangement of multiple atoms in concerted manner. Such a feature is strikingly different from any switches mediated by single-atom/molecule processes that have been previously reported.

Date: 2015
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DOI: 10.1038/ncomms7231

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