Electronic structure of charge transfer salts

E. Z. Kurmaev, A. Moewes, U. Schwingenschlögl, R. Claessen, M. I. Katsnelson, H. Kobayashi, S. Kagoshima, Y. Misaki, D. L. Ederer, K. Endo, M. Yanagihara

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Abstract

Fluorescence carbon Kα x-ray emission spectra (XES) of low-dimensional charge transfer salts [(TMTSF)2PF6, (BETS)2FeBr4, and (CPDT-STE) (TCNQ)] are presented. The Fermi energy positions are determined for these spectra using XPS binding energies of the C 1s core level. The absence of metallic Fermi edges in the carbon Kα XES data is reminiscent of Luttinger-liquid behavior predicted for one-dimensional metals, but the observed suppression of spectral weight near the Fermi level occurs on a surprisingly large energy scale. An additional low-energy subband found in carbon Kα XES of (BEDT-TTF)4[(H3O)Fe (C2O4)3] C5H5N is attributed to strong cation-anion interaction in this organic super-conductor.

Original languageEnglish
Article number233107
Pages (from-to)2331071-2331074
Number of pages4
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume64
Issue number23
Publication statusPublished - 2001 Dec 15

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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    Kurmaev, E. Z., Moewes, A., Schwingenschlögl, U., Claessen, R., Katsnelson, M. I., Kobayashi, H., Kagoshima, S., Misaki, Y., Ederer, D. L., Endo, K., & Yanagihara, M. (2001). Electronic structure of charge transfer salts. Physical Review B - Condensed Matter and Materials Physics, 64(23), 2331071-2331074. [233107].