TITLE

Zero-bias anomalies in electrochemically fabricated nanojunctions

AUTHOR(S)
Yu, L. H.; Natelson, D.
PUB. DATE
April 2003
SOURCE
Applied Physics Letters;4/7/2003, Vol. 82 Issue 14, p2332
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
A streamlined technique for the electrochemical fabrication of metal nanojunctions (MNJs) between lithographically defined electrodes is presented. The first low-temperature transport measurements in such structures reveal suppression of the conductance near zero bias. The size of the zero-bias anomaly (ZBA) depends strongly on the fabrication electrochemistry and the dimensions of the resulting MNJ. We present evidence that the nonperturbative ZBA in atomic-scale junctions is due to a density of states suppression in the leads.
ACCESSION #
9428257

 

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