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Origin of Discrepancies in Inelastic Electron Tunneling Spectra ofMolecular Junctions
Published
Author(s)
Lam H. Yu, Christopher D. Zangmeister, James G. Kushmerick
Abstract
We report inelastic electron tunneling spectroscopy (IETS) of multilayer molecular junctions with and without incorporated metal nano-particles. The incorporation of metal nanoparticles into our devices leads to enhanced IET intensity and a modified line-shape for some vibrational modes. The enhancement and line-shape modification are both the result of a low lying hybrid metal nanoparticle-molecule electronic level. These observations explain the apparent discrepancy between earlier IETS measurements of alkane thiolate junctions by Kushmerick et al. [Nano Lett. 4, 639 (2004)] and Wang et al. [Nano Lett. 4, 643 (2004)].
Citation
Physical Review Letters
Pub Type
Journals
Citation
Yu, L.
, Zangmeister, C.
and Kushmerick, J.
(2008),
Origin of Discrepancies in Inelastic Electron Tunneling Spectra ofMolecular Junctions, Physical Review Letters
(Accessed November 30, 2023)