Can silicon dimers form logic gates?

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Published 28 August 2001 • Published under licence by IOP Publishing Ltd
, , Citation Ian Appelbaum et al 2001 Nanotechnology 12 391 DOI 10.1088/0957-4484/12/3/330

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1 Department of Physics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA

2 Division of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA

3 Department of Electrical Engineering, Stanford University, Stanford, CA 94305, USA

4 Corresponding Author.

Dates

  1. Received 22 June 2001
  2. Published

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0957-4484/12/3/391

Abstract

We have performed density functional theory calculations to show how a tungsten scanning probe can mediate the interactions between bistable Si(100) surface dimers. Interpreting the state of each dimer as a bit of information, we demonstrate the use of this mediated interaction to construct a NOR logic gate.

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10.1088/0957-4484/12/3/330