Negative differential resistance at atomic contacts

descriptionPublicationkeyboard_double_arrow_right Article 15 Apr 1997 English Publisher:American Physical Society (APS)Journal:Physical Review B, volume 55, pages 9,364-9,366 (issn: 0163-1829, eissn: 1095-3795,

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Authors: N. D. Lang;

doi: 10.1103/physrevb.55.9364

Negative differential resistance at atomic contacts

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Abstract

Negative differential resistance is found for a pair of electrodes each consisting of a single Al atom coupled to a flat metal surface, where the Al atom is separated from the surface by a ``spacer'' atom (Br). This behavior is seen when the Al atoms are at a short distance from one another, and disappears when the distance is decreased to the point at which the Al atoms are in contact.

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IBM (United States)
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IBM Research – Thomas J. Watson Research Center
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