Surface characterization and surface electronic structure of organic quasi-one-dimensional charge transfer salts

M. Sing*, U. Schwingenschlögl, R. Claessen, M. Dressel, C. S. Jacobsen

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

36 Scopus citations

Abstract

We have thoroughly characterized the surfaces of the organic charge-transfer salts TTF-TCNQ and (formula presented) which are generally acknowledged as prototypical examples of one-dimensional conductors. In particular x-ray-induced photoemission spectroscopy turns out to be a valuable nondestructive diagnostic tool. We show that the observation of generic one-dimensional signatures in photoemission spectra of the valence band close to the Fermi level can be strongly affected by surface effects. Especially, great care must be exercised taking evidence for an unusual one-dimensional many-body state exclusively from the observation of a pseudogap.

Original languageEnglish (US)
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume67
Issue number12
DOIs
StatePublished - Mar 5 2003

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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