Mahesh Ramakrishnan^1,2*, Yves Joly³, Quintin Meier⁴, Michael Fechner⁴, Frank Lichtenberg⁴, Michael Porer¹, Sergii Parchenko¹, Elisabeth Bothschafter¹, Yoav William Windsor¹, Urs Staub^1*

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.

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 L_2,3 edges change as a function of temperature below T_N 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.

Materials Cloud sections using this data

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Keywords

MARVEL SNSF Experimental DFT