Published April 12, 2023 | Version v1
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Antiferromagnetic spin canting and magnetoelectric multipoles in h-YMnO₃

  • 1. Swiss Light Source, Paul Scherrer Institut, 5232 Villigen PSI, Switzerland
  • 2. MAX IV Laboratory, Lund University, P.O. Box 118, SE-22100 Lund, Sweden
  • 3. Université Grenoble Alpes, Institut Néel, F-38042 Grenoble, France
  • 4. Department of Materials, ETH Zurich, 8093 Zurich, Switzerland

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Description

We present our resonant X-ray diffraction work to study the antiferromagnetic spin canting perpendicular to the hexagonal planes of the archetypal type-I multiferroic YMnO₃. We find the x-ray diffraction spectral shape at the Mn L2,3 edges change as a function of temperature below TN for this material. Using a combination of phenomenological arguments and computations using the DFT-based FDMNES code, we attribute the difference spectra to be a result of interference of scattered amplitudes from the canted magnetic dipole and higher-order magnetoelectric multipoles.

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References

Journal reference (Paper where the data is discussed.)
M. Ramakrishnan, Y. Joly, Q. N. Meier, M. Fechner, M. Porer, S. Parchenko, Y. W. Windsor, E. M. Bothschafter, F. Lichtenberg, U. Staub, Physical Review Research 5, 013203 (2023), doi: 10.1103/PhysRevResearch.5.013203