Journal Article

PreJuSER-10970

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Imaging Pauli Repulsion in Scanning Tunneling Microscopy

Weiss, C. ; Wagner, C. ; Kleimann, C. ; Rohlfing, M. ; Tautz, F. S.FZJ* ; Temirov, R.

2010
APS College Park, Md.

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Please use a persistent id in citations: http://hdl.handle.net/2128/7251  doi:10.1103/PhysRevLett.105.086103

Abstract: A scanning tunneling microscope (STM) has been equipped with a nanoscale force sensor and signal transducer composed of a single D2 molecule that is confined in the STM junction. The uncalibrated sensor is used to obtain ultrahigh geometric image resolution of a complex organic molecule adsorbed on a noble metal surface. By means of conductance-distance spectroscopy and corresponding density functional calculations the mechanism of the sensor and transducer is identified. It probes the short-range Pauli repulsion and converts this signal into variations of the junction conductance.

Keyword(s): J

Note: Financial support from the Helmholtz Gemeinschaft is gratefully acknowledged, as are helpful discussions with J. Kroha (Bonn), S. Blugel and N. Atodiresei (Julich).

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Contributing Institute(s):

1. Grenz- und Oberflächen (IBN-3)
2. Jülich-Aachen Research Alliance - Fundamentals of Future Information Technology (JARA-FIT)

Research Program(s):

1. Grundlagen für zukünftige Informationstechnologien (P42)

Appears in the scientific report 2010

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