Display options
Cite
Diehl S, Methfessel T, Tutsch U, et al. Disorder-induced gap in the normal density of states of the organic superconductor κ-(BEDT-TTF)2Cu[N(CN)2]Br. J Phys Condens Matter. 2015;27(26):265601doi: 10.1088/0953-8984/27/26/265601.
Diehl, S., Methfessel, T., Tutsch, U., Müller, J., Lang, M., Huth, M., Jourdan, M., & Elmers, H. J. (2015). Disorder-induced gap in the normal density of states of the organic superconductor κ-(BEDT-TTF)2Cu[N(CN)2]Br. Journal of physics. Condensed matter : an Institute of Physics journal, 27(26), 265601. https://doi.org/10.1088/0953-8984/27/26/265601
Diehl, Sandra, et al. "Disorder-induced gap in the normal density of states of the organic superconductor κ-(BEDT-TTF)2Cu[N(CN)2]Br." Journal of physics. Condensed matter : an Institute of Physics journal vol. 27,26 (2015): 265601. doi: https://doi.org/10.1088/0953-8984/27/26/265601
Diehl S, Methfessel T, Tutsch U, Müller J, Lang M, Huth M, Jourdan M, Elmers HJ. Disorder-induced gap in the normal density of states of the organic superconductor κ-(BEDT-TTF)2Cu[N(CN)2]Br. J Phys Condens Matter. 2015 Jul 08;27(26):265601. doi: 10.1088/0953-8984/27/26/265601. Epub 2015 Jun 15. PMID: 26076168.
Copy Download .nbib Format: NLM
Share it on

J Phys Condens Matter. 2015 Jul 08;27(26):265601. doi: 10.1088/0953-8984/27/26/265601. Epub 2015 Jun 15.

Disorder-induced gap in the normal density of states of the organic superconductor κ-(BEDT-TTF)2Cu[N(CN)2]Br.

Journal of physics. Condensed matter : an Institute of Physics journal

Sandra Diehl, Torsten Methfessel, Ulrich Tutsch, Jens Müller, Michael Lang, Michael Huth, Martin Jourdan, Hans-Joachim Elmers

Affiliations

  1. Graduate School Materials Science In Mainz, Staudingerweg 9, 55128 Mainz, Germany. Institut für Physik, Johannes Gutenberg-Universität Mainz, Staudingerweg 7, 55128 Mainz, Germany.

PMID: 26076168 DOI: 10.1088/0953-8984/27/26/265601

Abstract

The local density of states (DOS) of the organic superconductor κ-(BEDT-TTF)2Cu[N(CN)2]Br, measured by scanning tunneling spectroscopy on in situ cleaved surfaces, reveals a logarithmic suppression near the Fermi edge persisting above the critical temperature T(c). The experimentally observed suppression of the DOS is in excellent agreement with a soft Hubbard gap as predicted by the Anderson-Hubbard model for systems with disorder. The electronic disorder also explains the diminished coherence peaks of the quasi-particle DOS below T(c).

Publication Types