Graphene-Based Nano-Electro-Mechanical Switch with High On/Off Ratio
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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 105 to below 10 by changing the contact force. At a low contact force, the contact conductance changes from 10μS (‘‘ON’’ state) to 100pS (‘‘OFF’’ state). This novel device structure could represent a new path to electrical switching at the nanoscale.
収録刊行物
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- Applied Physics Express
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Applied Physics Express 6 (5), 055101-, 2013-04-15
The Japan Society of Applied Physics
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詳細情報 詳細情報について
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- CRID
- 1050564287419648896
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- NII論文ID
- 10031174336
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- NII書誌ID
- AA12295133
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- ISSN
- 18820786
- 18820778
- http://id.crossref.org/issn/18820786
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- NDL書誌ID
- 024520376
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- 本文言語コード
- en
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- 資料種別
- journal article
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- データソース種別
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