Tunneling conductance of amine-linked alkyl chains

Emil Prodan, Roberto Car

Research output: Contribution to journalArticlepeer-review

22 Scopus citations


The tunneling transport theory developed in ref 9 (Phys. Rev. B 2007, 76, 115102) is applied to molecular devices made of alkyl chains linked to gold electrodes via amine groups. Using the analytic expression of the tunneling conductance derived in our previous work, we identify the key physical quantities that characterize the conductance of these devices. By investigating the transport characteristics of three devices, containing four, six, and eight methyl groups, we extract the dependence of the tunneling conductance on the chain's length, which is an exponential decay law in agreement with recent experimental data.

Original languageEnglish (US)
Pages (from-to)1771-1777
Number of pages7
JournalNano Letters
Issue number6
StatePublished - Jun 2008

All Science Journal Classification (ASJC) codes

  • General Chemistry
  • Condensed Matter Physics
  • Mechanical Engineering
  • Bioengineering
  • General Materials Science


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