Graphene-Based Nano-Electro-Mechanical Switch with High On/Off Ratio
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概要
- 論文の詳細を見る
Locally defined nanomembrane structures can be produced in graphene films on a SiC substrate with atomic steps. The contact conductance between graphene and a metal-coated nanoprobe in scanning probe microscopy can be drastically reduced by inducing local buckling of the membranes. Repeatable current switching with high reproducibility can be realized. The on/off ratio can be varied from about 10^{5} to below 10 by changing the contact force. At a low contact force, the contact conductance changes from 10 μS (``ON'' state) to 100 pS (``OFF'' state). This novel device structure could represent a new path to electrical switching at the nanoscale.
- 2013-05-25
著者
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YAMAGUCHI Hiroshi
NTT Basic Research Laboratories
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Hibino Hiroki
Ntt Basic Research Laboratories
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Kageshima Hiroyuki
Ntt Basic Research Laboratories
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Nagase Masao
Faculty of Engineering, The University of Tokushima, Tokushima 770-8506, Japan
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Kageshima Hiroyuki
NTT Basic Research Laboratories, Nippon Telegraph and Telephone Corporation, Atsugi, Kanagawa 243-0198, Japan
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