This Chapter gives a short overview of the recently discovered family of iron-based superconductors and a comparison to the cuprates, the first and most profoundly studied family of high-temperature superconductors. Additionally, a short overview of theoretical calculations of the electronic band structure, expected magnetic instabilities and the Fermi surface topology will be given. A knowledge of the latter is necessary for the understanding of possible gap symmetries and the impact of intraband and interband impurity scattering processes, mainly when discussing the temperature dependence of the spin-lattice relaxation rate in the superconducting state of LaO0.9F0.1FeAs1-δ in Section 7.2.


Fermi Surface Magnetic Phase Transition Andreev Reflection Superconducting Order Parameter Fermi Surface Topology 
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© Vieweg+Teubner Verlag | Springer Fachmedien Wiesbaden 2012

Authors and Affiliations

  • Franziska Hammerath
    • 1
  1. 1.DresdenGermany

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