Formation and evolution of single-molecule junctions
Kamenetska M, Koentopp M, Whalley AC, Park YS, Steigerwald ML, Nuckolls C, Hybertsen MS, Venkataraman L. 2009. Formation and evolution of single-molecule junctions. Physical Review Letters. 102(12), 126803.
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Author
Kamenetska, M.;
Koentopp, M.;
Whalley, A. C.;
Park, Y. S.;
Steigerwald, M. L.;
Nuckolls, C.;
Hybertsen, M. S.;
Venkataraman, LathaISTA 
Abstract
We analyze the formation and evolution statistics of single-molecule junctions bonded to gold electrodes using amine, methyl sulfide, and dimethyl phosphine link groups by measuring conductance as a function of junction elongation. For each link, the maximum elongation and formation probability increase with molecular length, strongly suggesting that processes other than just metal-molecule bond breakage play a key role in junction evolution under stress. Density functional theory calculations of adiabatic trajectories show sequences of atomic-scale changes in junction structure, including shifts in the attachment point, that account for the long conductance plateau lengths observed.
Publishing Year
Date Published
2009-03-24
Journal Title
Physical Review Letters
Publisher
American Physical Society
Volume
102
Issue
12
Article Number
126803
ISSN
eISSN
IST-REx-ID
Cite this
Kamenetska M, Koentopp M, Whalley AC, et al. Formation and evolution of single-molecule junctions. Physical Review Letters. 2009;102(12). doi:10.1103/physrevlett.102.126803
Kamenetska, M., Koentopp, M., Whalley, A. C., Park, Y. S., Steigerwald, M. L., Nuckolls, C., … Venkataraman, L. (2009). Formation and evolution of single-molecule junctions. Physical Review Letters. American Physical Society. https://doi.org/10.1103/physrevlett.102.126803
Kamenetska, M., M. Koentopp, A. C. Whalley, Y. S. Park, M. L. Steigerwald, C. Nuckolls, M. S. Hybertsen, and Latha Venkataraman. “Formation and Evolution of Single-Molecule Junctions.” Physical Review Letters. American Physical Society, 2009. https://doi.org/10.1103/physrevlett.102.126803.
M. Kamenetska et al., “Formation and evolution of single-molecule junctions,” Physical Review Letters, vol. 102, no. 12. American Physical Society, 2009.
Kamenetska M, Koentopp M, Whalley AC, Park YS, Steigerwald ML, Nuckolls C, Hybertsen MS, Venkataraman L. 2009. Formation and evolution of single-molecule junctions. Physical Review Letters. 102(12), 126803.
Kamenetska, M., et al. “Formation and Evolution of Single-Molecule Junctions.” Physical Review Letters, vol. 102, no. 12, 126803, American Physical Society, 2009, doi:10.1103/physrevlett.102.126803.
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