Measurement of current-induced local heating in a single molecule junction

Zhifeng Huang, Bingqian Xu, Yu-Chang Chen, Massimiliano Di Ventra, Nongjian Tao*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

194 Scopus citations

Abstract

We have studied the current-induced local heating effects in single molecules covalently bound to two electrodes by measuring the force required to break the molecule-electrode bonds under various conditions. The breakdown process is thermally activated, which is used to extract the effective temperature of the molecular junction as a function of applied bias voltage. We have also performed first-principles calculations of both local heating and current-induced force effects, and the results are in good agreement with the experimental findings.

Original languageEnglish
Pages (from-to)1240-1244
Number of pages5
JournalNano Letters
Volume6
Issue number6
DOIs
StatePublished - 1 Jun 2006

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