de Haas–van Alphen measurements on the antiferromagnet URhIn5

Jing Fei Yu, Attila Bartha, Jeroen Custers, and Stephen R. Julian
Phys. Rev. B 96, 115143 – Published 21 September 2017
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Abstract

We report on the results of a de Haas–van Alphen (dHvA) measurement performed on the recently discovered antiferromagnet URhIn5 (TN=98 K), a 5f analog of the well studied heavy fermion antiferromagnet CeRhIn5. We observe two small Fermi surfaces: a roughly spherical pocket β, with Fβ0.3 kT, and a pillow-shaped closed surface, α, with Fα1.1 kT. In addition, we observe two higher frequencies γ1 with Fγ13.2 kT and γ2 with Fγ23.5 kT that are seen only near the c axis, and that may arise on cylindrical Fermi surfaces. The measured cyclotron masses range from 1.9me to 4.3me. A simple LDA+SO calculation performed for the paramagnetic ground state shows a very different Fermi surface topology, demonstrating a need for more advanced electronic structure calculations.

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  • Received 29 May 2017
  • Revised 11 August 2017

DOI:https://doi.org/10.1103/PhysRevB.96.115143

©2017 American Physical Society

Physics Subject Headings (PhySH)

  1. Research Areas
Condensed Matter, Materials & Applied Physics

Authors & Affiliations

Jing Fei Yu1,*, Attila Bartha2, Jeroen Custers2, and Stephen R. Julian1,3

  • 1Department of Physics, University of Toronto, Toronto, Ontario, Canada M5S 1A7
  • 2Department of Condensed Matter Physics, Charles University, Ke Karlovu 5, 121 16 Praha 2, Czech Republic
  • 3Canadian Institute for Advanced Research, 180 Dundas St. W, Toronto, Ontario, Canada M5S 1Z8

  • *jfeiyu@physics.utoronto.ca

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Issue

Vol. 96, Iss. 11 — 15 September 2017

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