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On-demand final state control of a surface-bound bistable single molecule switch

Research output: Contribution to journalArticle

Author(s)

Jose A. Garrido Torres, Grant J. Simpson, Christopher J. Adams, Herbert A. Fruchtl, Renald Schaub

School/Research organisations

Abstract

Modern electronic devices perform their defined action because of the complete reliability of their individual active components (transistors, switches, diodes, and so forth). For instance, to encode basic computer units (bits) an electrical switch can be used. The reliability of the switch ensures that the desired outcome (the component’s final state, 0 or 1) can be selected with certainty. No practical data storage device would otherwise exist. This reliability criterion will necessarily need to hold true for future molecular electronics to have the opportunity to emerge as a viable miniaturization alternative to our current silicon-based technology. Molecular electronics target the use of single-molecules to perform the actions of individual electronic components. On-demand final state control over a bistable unimolecular component has therefore been one of the main challenges in the past decade (1−5) but has yet to be achieved. In this Letter, we demonstrate how control of the final state of a surface-supported bistable single molecule switch can be realized. On the basis of the observations and deductions presented here, we further suggest an alternative strategy to achieve final state control in unimolecular bistable switches.
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Details

Original languageEnglish
Pages (from-to)2950-2956
Number of pages7
JournalNano Letters
Volume18
Issue number5
Early online date3 Apr 2018
DOIs
Publication statusPublished - 9 May 2018

    Research areas

  • Scanning tunneling microscopy, Density functional theory, Tautomerisation, Molecular switches, Inelastic tunneling, Nano-electronics

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