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Full Relativistic Electronic Structure and Fermi Surface Sheets of the First Honeycomb-Lattice Pnictide Superconductor SrPtAs

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Abstract

We report full-potential density functional theory (DFT)-based ab initio band structure calculations to investigate electronic structure properties of the first pnictide superconductor with a honeycomb-lattice structure: SrPtAs. As a result, electronic bands, density of states, Fermi velocities and the topology of the Fermi surface for SrPtAs are obtained. These quantities are discussed in comparison to the first available experimental data. Predictions for future measurements are provided.

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Acknowledgements

We thank Peter M. Oppeneer, J. Mydosh, H. Rosner, K. Koepernik, and Jeroen van den Brink for discussions. S. Elgazzar thanks the Faculty of Science at the University of Johannesburg for funding of a Postdoctoral Fellowship. AM Strydom acknowledges financial assistance from the SA-NRF (Grant. 2072956) and DFG (OE511/1-1), and the DFG (SPP 1458 (D)) is gratefully acknowledged.

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Authors and Affiliations

  1. Dept. of Physics, Univ. of Johannesburg, P.O. Box 524, Auckland Park, 2006, South Africa

    Saad Elgazzar & A. M. Strydom

  2. Leibniz Institute for Solid State and Materials Research IFW Dresden, P.O. Box 270116, 01171, Dresden, Germany

    Stefan-Ludwig Drechsler

Authors
  1. Saad Elgazzar
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  2. A. M. Strydom
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  3. Stefan-Ludwig Drechsler
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Correspondence to Saad Elgazzar.

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Elgazzar, S., Strydom, A.M. & Drechsler, SL. Full Relativistic Electronic Structure and Fermi Surface Sheets of the First Honeycomb-Lattice Pnictide Superconductor SrPtAs. J Supercond Nov Magn 25, 1795–1798 (2012). https://doi.org/10.1007/s10948-012-1550-0

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  • DOI: https://doi.org/10.1007/s10948-012-1550-0

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