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Graphene-based atomic-scale switches

Standley, Brian and Bao, Wenzhong and Zhang, Hang and Bruck, Jehoshua and Lau, Chun Ning and Bockrath, Marc (2008) Graphene-based atomic-scale switches. Nano Letters, 8 (10). pp. 3345-3349. ISSN 1530-6984. doi:10.1021/nl801774a.

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Graphene's remarkable mechanical and electrical properties, combined with its compatibility with existing planar silicon-based technology, make it an attractive material for novel computing devices. We report the development of a nonvolatile memory element based on graphene break junctions. Our devices have demonstrated thousands of writing cycles and long retention times. We propose a model for device operation based on the formation and breaking of carbon atomic chains that bridge the junctions. We demonstrate information storage based on the concept of rank coding, in which information is stored in the relative conductance of graphene switches in a memory cell.

Item Type:Article
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Bruck, Jehoshua0000-0001-8474-0812
Additional Information:© 2008 American Chemical Society. Received June 19, 2008; Revised Manuscript Received July 29, 2008. We thank Gil Refael and Shan-Wen Tsai for helpful discussions. M.B. acknowledges support from the ONR and GRC. M.B., J.B., and B.S. acknowledge support by funding from NSF-NRI and Ross Brown. J.B. acknowledges support from the Caltech Lee Center for advanced networking. C.N.L., W.B., and H.Z. acknowledge the support by NSF CAREER Award DMR/0748910 and ONR/DMEA Award H94003-07-2-0703.
Funding AgencyGrant Number
Office of Naval Research (ONR)UNSPECIFIED
Gordon Research ConferencesUNSPECIFIED
Caltech Lee Center for Advanced NetworkingUNSPECIFIED
Office of Naval Research (ONR)H94003-07-2-0703
Subject Keywords:carbon; conductance; fabrication; electrodes; nanotubes; phase; wires
Issue or Number:10
Record Number:CaltechAUTHORS:STAnl08
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:13349
Deposited By: Tony Diaz
Deposited On:22 Apr 2009 22:27
Last Modified:08 Nov 2021 22:37

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