Lattice Dynamics of EuO: Evidence for Giant Spin-Phonon Coupling

R. Pradip, P. Piekarz, A. Bosak, D. G. Merkel, O. Waller, A. Seiler, A. I. Chumakov, R. Rüffer, A. M. Oleś, K. Parlinski, M. Krisch, T. Baumbach, and S. Stankov
Phys. Rev. Lett. 116, 185501 – Published 2 May 2016; Erratum Phys. Rev. Lett. 119, 079903 (2017)
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Abstract

Comprehensive studies of lattice dynamics in the ferromagnetic semiconductor EuO have been performed by a combination of inelastic x-ray scattering, nuclear inelastic scattering, and ab initio calculations. A remarkably large broadening of the transverse acoustic phonons was discovered at temperatures above and below the Curie temperature TC=69K. This result indicates a surprisingly strong momentum-dependent spin-phonon coupling induced by the spin dynamics in EuO.

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  • Received 30 November 2015

DOI:https://doi.org/10.1103/PhysRevLett.116.185501

© 2016 American Physical Society

Physics Subject Headings (PhySH)

  1. Properties
Condensed Matter, Materials & Applied Physics

Erratum

Erratum: Lattice Dynamics of EuO: Evidence for Giant Spin-Phonon Coupling [Phys. Rev. Lett. 116, 185501 (2016)]

R. Pradip, P. Piekarz, A. Bosak, D. G. Merkel, O. Waller, A. Seiler, A. I. Chumakov, R. Rüffer, A. M. Oleś, K. Parlinski, M. Krisch, T. Baumbach, and S. Stankov
Phys. Rev. Lett. 119, 079903 (2017)

Authors & Affiliations

R. Pradip1,2, P. Piekarz3, A. Bosak4, D. G. Merkel4,*, O. Waller1,2, A. Seiler1,2, A. I. Chumakov4, R. Rüffer4, A. M. Oleś5,6, K. Parlinski3, M. Krisch4, T. Baumbach1,2,7, and S. Stankov2,1,†

  • 1Laboratory for Applications of Synchrotron Radiation, Karlsruhe Institute of Technology, D-76131 Karlsruhe, Germany
  • 2Institute for Photon Science and Synchrotron Radiation, Karlsruhe Institute of Technology, D-76344 Eggenstein-Leopoldshafen, Germany
  • 3Institute of Nuclear Physics, Polish Academy of Sciences, PL-31342 Kraków, Poland
  • 4ESRF–The European Synchrotron, F-38000 Grenoble, France
  • 5Max-Planck-Institut für Festkörperforschung, D-70569 Stuttgart, Germany
  • 6Marian Smoluchowski Institute of Physics, Jagiellonian University, PL-30348 Kraków, Poland
  • 7ANKA, Karlsruhe Institute of Technology, D-76344 Eggenstein-Leopoldshafen, Germany

  • *On leave from Institute for Particle and Nuclear Physics, Wigner Research Centre for Physics, Hungarian Academy of Sciences, H-1525 Budapest, Hungary.
  • Corresponding author. Svetoslav.Stankov@kit.edu

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Issue

Vol. 116, Iss. 18 — 6 May 2016

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