New directions in point-contact spectroscopy based on scanning tunneling microscopy techniques (Review Article)

E. Tartaglini, T. G.A. Verhagen, F. Galli, M. L. Trouwborst, R. Müller, T. Shiota, J. Aarts, J. M. van Ruitenbeek

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Abstract

Igor Yanson showed 38 yr ago for the first time a point-contact measurement where he probed the energy resolved spectroscopy of the electronic scattering inside the metal. Since this first measurement, the point contact spectroscopy (PCS) technique improved enormously. The application of the scanning probe microscopy (SPM) techniques in the late 1980 s allowed achieving contacts with a diameter of a single atom. With the introduction of the mechanically controlled break junction technique, even spectroscopy on freely suspended chains of atoms could be performed. In this paper, we briefly review the current developments of PCS and show recent experiments in advanced scanning PCS based on SPM techniques. We describe some results obtained with both needle-anvil type of point contacts and scanning tunneling microscopy (STM). We also show our first attempt to lift up with a STM a chain of single gold atoms from a Au(110) surface.

Original languageEnglish
Article number009303LTP
Pages (from-to)189-198
Number of pages10
JournalLow Temperature Physics
Volume39
Issue number3
DOIs
Publication statusPublished - Mar 27 2013
Externally publishedYes

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ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Tartaglini, E., Verhagen, T. G. A., Galli, F., Trouwborst, M. L., Müller, R., Shiota, T., Aarts, J., & van Ruitenbeek, J. M. (2013). New directions in point-contact spectroscopy based on scanning tunneling microscopy techniques (Review Article). Low Temperature Physics, 39(3), 189-198. [009303LTP]. https://doi.org/10.1063/1.4795171