scholarly journals Inelastic electron tunneling spectroscopy in molecular junctions showing quantum interference

2017 ◽  
Vol 95 (16) ◽  
Author(s):  
C. Salhani ◽  
M. L. Della Rocca ◽  
C. Bessis ◽  
R. Bonnet ◽  
C. Barraud ◽  
...  
Keyword(s):  
Quantum Interference ◽  
Electron Tunneling ◽  
Tunneling Spectroscopy ◽  
Molecular Junctions ◽  
Inelastic Electron ◽  
Inelastic Electron Tunneling Spectroscopy ◽  
Inelastic Electron Tunneling ◽  
Electron Tunneling Spectroscopy

The Orientation Effect on Inelastic Electron Tunneling Spectroscopy in Octanethiolate Molecular Junctions

2013 ◽  
Vol 634-638 ◽  
pp. 29-32
Author(s):  
Jian Cai Leng ◽  
Hong Ma ◽  
Yong Ma
Keyword(s):  
Electron Tunneling ◽  
Tunneling Current ◽  
Tunneling Spectroscopy ◽  
Molecular Junctions ◽  
Computational Method ◽  
Inelastic Electron ◽  
Vibrational Modes ◽  
Inelastic Electron Tunneling Spectroscopy ◽  
Inelastic Electron Tunneling ◽  
Electron Tunneling Spectroscopy

A first-principles computational method is developed to study the inelastic electron tunneling spectroscopy (IETS) of octanethiolate molecular junctions with different orientation of the molecule adsorbed on the Au(111) surface. We have demonstrated that IETS is very sensitive to the orientation of the molecule. The computational results demonstrate that the IETS has certain selection rule for vibrational modes, where the modes with the same direction as the tunneling current have greatest contribution to the IETS.

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