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Evidence for three-dimensional Fermi-surface topology of the layered electron-doped iron superconductor Ba(Fe1xCox)2As2

P. Vilmercati, A. Fedorov, I. Vobornik, U. Manju, G. Panaccione, A. Goldoni, A. S. Sefat, M. A. McGuire, B. C. Sales, R. Jin, D. Mandrus, D. J. Singh, and N. Mannella
Phys. Rev. B 79, 220503(R) – Published 4 June 2009; Erratum Phys. Rev. B 81, 029901 (2010)

Abstract

The electronic structure of electron-doped iron-arsenide superconductors Ba(Fe1xCox)2As2 has been measured with angle-resolved photoemission spectroscopy. The data reveal a marked photon energy dependence of points in momentum space where the bands cross the Fermi energy, a distinctive and direct signature of three dimensionality in the Fermi-surface topology. By providing a unique example of high-temperature superconductivity hosted in layered compounds with three-dimensional electronic structure, these findings suggest that the iron arsenides are unique materials, quite different from the cuprates high-temperature superconductors.

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  • Received 4 February 2009

DOI:https://doi.org/10.1103/PhysRevB.79.220503

©2009 American Physical Society

Erratum

Erratum: Evidence for three-dimensional Fermi-surface topology of the layered electron-doped iron superconductor Ba(Fe1xCox)2As2 [Phys. Rev. B 79, 220503(R) (2009)]

P. Vilmercati, A. Fedorov, I. Vobornik, U. Manju, G. Panaccione, A. Goldoni, A. S. Sefat, M. A. McGuire, B. C. Sales, R. Jin, D. Mandrus, D. J. Singh, and N. Mannella
Phys. Rev. B 81, 029901 (2010)

Authors & Affiliations

P. Vilmercati1,2, A. Fedorov3, I. Vobornik4, U. Manju4, G. Panaccione4, A. Goldoni5, A. S. Sefat6, M. A. McGuire6, B. C. Sales6, R. Jin1,6, D. Mandrus6, D. J. Singh6, and N. Mannella1,*

  • 1Department of Physics and Astronomy, The University of Tennessee, Knoxville, Tennessee 37996, USA
  • 2Dipartimento di Fisica, Università degli Studi di Trieste, I-34127 Trieste, Italy
  • 3Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
  • 4TASC National Laboratory, INFM-CNR, SS 14, km 163.5, I-34012 Trieste, Italy
  • 5Sincrotrone Trieste S.C.p.A., Area Science Park, SS 14, km 163.5, I-34012 Trieste, Italy
  • 6Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA

  • *Corresponding author; nmannell@utk.edu

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Issue

Vol. 79, Iss. 22 — 1 June 2009

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