Fermi Surface of ${\mathrm{SrFe}}_{2}{\mathbf{P}}_{2}$ Determined by the de Haas--van Alphen Effect

Fermi Surface of ${SrFe}_{2} P_{2}$ Determined by the de Haas–van Alphen Effect

J. G. Analytis, C. M. J. Andrew, A. I. Coldea, A. McCollam, J.-H. Chu, R. D. McDonald, I. R. Fisher, and A. Carrington

Phys. Rev. Lett. 103, 076401 – Published 10 August 2009

Abstract

We report measurements of the Fermi surface (FS) of the ternary iron-phosphide ${SrFe}_{2} P_{2}$ using the de Haas–van Alphen effect. The calculated FS of this compound is very similar to ${SrFe}_{2} {As}_{2}$ , the parent compound of the high temperature superconductors. Our data show that the Fermi surface is composed of two electron and two hole sheets in agreement with band-structure calculations. Several of the sheets show strong $c$ -axis warping emphasizing the importance of three dimensionality in the nonmagnetic state of the ternary pnictides. We find that the electron and hole pockets have a different topology, implying that this material does not satisfy a ( $π$ , $π$ ) nesting condition.

Received 15 April 2009

DOI:https://doi.org/10.1103/PhysRevLett.103.076401

Authors & Affiliations

J. G. Analytis^1,2, C. M. J. Andrew³, A. I. Coldea³, A. McCollam⁴, J.-H. Chu^1,2, R. D. McDonald⁵, I. R. Fisher^1,2, and A. Carrington³

¹Stanford Institute for Materials and Energy Sciences, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
²Geballe Laboratory for Advanced Materials and Department of Applied Physics, Stanford University, Stanford, California 94305-4045, USA
³H. H. Wills Physics Laboratory, University of Bristol, Tyndall Avenue, Bristol, BS8 1TL, United Kingdom
⁴Radboud University Nijmegen, High Field Magnet Laboratory, Faculty of Science, 6500 GL Nijmegen, The Netherlands
⁵Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA

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Vol. 103, Iss. 7 — 14 August 2009

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Physical Review Letters

Fermi Surface of SrFe2P2 Determined by the de Haas–van Alphen Effect

J. G. Analytis, C. M. J. Andrew, A. I. Coldea, A. McCollam, J.-H. Chu, R. D. McDonald, I. R. Fisher, and A. Carrington

Phys. Rev. Lett. 103, 076401 – Published 10 August 2009

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Fermi Surface of ${SrFe}_{2} P_{2}$ Determined by the de Haas–van Alphen Effect