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Antiferromagnetic spin canting and magnetoelectric multipoles in h-YMnO₃

Mahesh Ramakrishnan1,2*, Yves Joly3, Quintin Meier4, Michael Fechner4, Frank Lichtenberg4, Michael Porer1, Sergii Parchenko1, Elisabeth Bothschafter1, Yoav William Windsor1, Urs Staub1*

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

* Corresponding authors emails: mahesh.ramakrishnan@hotmail.com, urs.staub@psi.ch
DOI10.24435/materialscloud:3s-3e [version v1]

Publication date: Apr 12, 2023

How to cite this record

Mahesh Ramakrishnan, Yves Joly, Quintin Meier, Michael Fechner, Frank Lichtenberg, Michael Porer, Sergii Parchenko, Elisabeth Bothschafter, Yoav William Windsor, Urs Staub, Antiferromagnetic spin canting and magnetoelectric multipoles in h-YMnO₃, Materials Cloud Archive 2023.63 (2023), doi: 10.24435/materialscloud:3s-3e.


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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MARVEL SNSF Experimental DFT

Version history:

2023.63 (version v1) [This version] Apr 12, 2023 DOI10.24435/materialscloud:3s-3e