The European Physical Journal B

, Volume 80, Issue 3, pp 351–354

High-frequency electromagnon in GdMnO3

  • A. M. Shuvaev
  • F. Mayr
  • A. Loidl
  • A. A. Mukhin
  • A. Pimenov
Article

Abstract.

Results of far-infrared transmittance are reported for GdMnO3, a multiferroic perovskite manganite. The spectra allow to obtain position and intensity of the high-frequency electromagnon (~75 cm-1) in this material. We present a comparative analysis of the high- and low-frequency electromagnons across the phase diagram of GdMnO3. The traces of the electromagnon excitation can be detected even deeply in the paramagnetic state, which is attributed to magnetic fluctuations.

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Copyright information

© EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • A. M. Shuvaev
    • 1
  • F. Mayr
    • 2
  • A. Loidl
    • 2
  • A. A. Mukhin
    • 3
  • A. Pimenov
    • 1
  1. 1.Institute of Solid State Physics, Vienna University of TechnologyViennaAustria
  2. 2.Experimentalphysik V, EKM, Universität AugsburgAugsburgGermany
  3. 3.General Physics Institute, Russian Academy of SciencesMoscowRussia

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