JETP Letters

, Volume 105, Issue 6, pp 375–379 | Cite as

Magnetic properties of Li2RuO3 as studied by NMR and LDA + DMFT calculations

  • I. Yu. Arapova
  • A. L. Buzlukov
  • A. Yu. Germov
  • K. N. Mikhalev
  • T.-Y. Tan
  • J.-G. Park
  • S. V. Streltsov
Condensed Matter

Abstract

We present results of the combined study of the magnetic properties of Li2RuO3 by means of nuclear magnetic resonance (NMR) spectroscopy and theoretical dynamical mean-field theory (LDA + DMFT) calculations. The NMR data clearly show the onset of a thermal activation process in the high temperature region, T > 560K, which is tentatively ascribed to the formation of the valence bond liquid. The LDA + DMFT calculations demonstrate that the magnetic response at these temperatures is mostly due to the xz/yz orbitals, while the xy orbitals of Ru still form molecular orbitals. Thus, Ru ions are in the orbital-selective state in the high temperature phase of Li2RuO3.

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Magnetic properties of Li2RuO3 as studied by NMR and LDA + DMFT calculations

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Copyright information

© Pleiades Publishing, Inc. 2017

Authors and Affiliations

  • I. Yu. Arapova
    • 1
  • A. L. Buzlukov
    • 1
  • A. Yu. Germov
    • 1
  • K. N. Mikhalev
    • 1
  • T.-Y. Tan
    • 2
    • 3
  • J.-G. Park
    • 2
    • 3
  • S. V. Streltsov
    • 1
    • 4
  1. 1.Mikheev Institute of Metal PhysicsYekaterinburgRussia
  2. 2.Center for Correlated Electron SystemsInstitute for Basic Science (IBS)SeoulRepublic of Korea
  3. 3.Department of Physics and AstronomySeoul National UniversitySeoulRepublic of Korea
  4. 4.Ural Federal UniversityYekaterinburgRussia

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