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Journal article

Spectroscopy of transmission resonances through a C60 junction

From

Christian Albrechts University of Kiel1

Department of Micro- and Nanotechnology, Technical University of Denmark2

Theoretical Nanoelectronics, Department of Micro- and Nanotechnology, Technical University of Denmark3

Ilmenau University of Technology4

Electron transport through a single C60 molecule on Cu(1 1 1) has been investigated with a scanning tunnelling microscope in tunnelling and contact ranges. Single-C60 junctions have been fabricated by establishing a contact between the molecule and the tip, which is reflected by a down-shift in the lowest unoccupied molecular orbital resonance.

These junctions are stable even at elevated bias voltages enabling conductance measurements at high voltages and nonlinear conductance spectroscopy in tunnelling and contact ranges. Spectroscopy and first principles transport calculations clarify the relation between molecular orbital resonances and the junction conductance.

Due to the strong molecule-electrode coupling the simple picture of electron transport through individual orbitals does not hold.

Language: English
Publisher: IOP Publishing
Year: 2015
Pages: 015001
ISSN: 1361648x and 09538984
Types: Journal article
DOI: 10.1088/0953-8984/27/1/015001
ORCIDs: Andersen, Nick Papior and Brandbyge, Mads

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