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Journal of Low Temperature Physics

, Volume 105, Issue 3–4, pp 389–394 | Cite as

Far- and mid-infrared spectrum of YBa2Cu3O6.0 in high magnetic fields

  • M. Grüninger
  • D. van der Marel
  • P. J. M. van Bentum
  • A. Erb
  • H. P. Geserich
  • T. Kopp
Spin Dynamics

Abstract

The far- and mid-infrared spectrum of antiferromagnetic YBa2Cu3O6.0 was investigated by infrared transmission measurements (k∥c-axis) in high magnetic fields up to 16.5Tesla at T=1K. A peak at 1436cm−1 which previously was assigned to the excitation of single optical magnons did not show a measurable shift with magnetic field. In the far-infrared, no signature of acoustic magnon absorption has been observed in the magneto transmittance. However, at 83 cm−1 the sixth phonon of symmetry Eu in YBa2 Cu3 O6.0 has been found.

PACS

74.72.−h 74-25.Gz 74.25.Ha 78.30.−j 75.30.Ds 

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Copyright information

© Plenum Publishing Corporation 1996

Authors and Affiliations

  • M. Grüninger
    • 1
  • D. van der Marel
    • 1
  • P. J. M. van Bentum
    • 2
  • A. Erb
    • 3
  • H. P. Geserich
    • 4
  • T. Kopp
    • 5
  1. 1.Lab. of Solid State PhysicsUniv. of GroningenAG GroningenThe Netherlands
  2. 2.High Field Magnet Lab.Univ. of NijmegenThe Netherlands
  3. 3.DPMCUniv. of GenevaSwiss
  4. 4.Inst. für angew. PhysikUniv. KarlsruheGermany
  5. 5.Inst. für Theorie der Kond. Mat.Univ. KarlsruheGermany

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