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An overview of the spin dynamics of antiferromagnetic Mn₅Si₃

N. Biniskos1,2*, F. J. dos Santos3,4*, M. dos Santos Dias5,6,7, S. Raymond8, K. Schmalzl9, P. Steffens10, J. Persson11, N. Marzari3,4, S. Blügel5, S. Lounis5,6, T. Brückel11

1 Forschungszentrum Jülich GmbH, Jülich Centre for Neutron Science at MLZ, Lichtenbergstr. 1, D-85748 Garching, Germany

2 Charles University, Faculty of Mathematics and Physics, Department of Condensed Matter Physics, Ke Karlovu 5, 121 16 Praha, Czech Republic

3 Laboratory for Materials Simulations, Paul Scherrer Institut, 5232 Villigen PSI, Switzerland

4 Theory and Simulation of Materials (THEOS), and National Centre for Computational Design and Discovery of Novel Materials (MARVEL), École Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland

5 Peter Grünberg Institut and Institute for Advanced Simulation, Forschungszentrum Jülich & JARA, D-52425 Jülich, Germany

6 Faculty of Physics, University of Duisburg-Essen and CENIDE, D-47053 Duisburg, Germany

7 Scientific Computing Department, STFC Daresbury Laboratory, Warrington WA4 4AD, United Kingdom

8 Université Grenoble Alpes, CEA, IRIG, MEM, MDN, F-38000 Grenoble, France

9 Forschungszentrum Jülich GmbH, Jülich Centre for Neutron Science at ILL, 71 Avenue des Martyrs, F-38000 Grenoble, France

10 Institut Laue-Langevin, 71 Avenue des Martyrs, 38000 Grenoble, France

11 Forschungszentrum Jülich GmbH, Jülich Centre for Neutron Science (JCNS-2) and Peter Grünberg Institut (PGI-4), JARA-FIT, D-52425 Jülich, Germany

* Corresponding authors emails: n.biniskos@fz-juelich.de, flaviano.dossantos@epfl.ch
DOI10.24435/materialscloud:p1-pr [version v1]

Publication date: Jan 29, 2024

How to cite this record

N. Biniskos, F. J. dos Santos, M. dos Santos Dias, S. Raymond, K. Schmalzl, P. Steffens, J. Persson, N. Marzari, S. Blügel, S. Lounis, T. Brückel, An overview of the spin dynamics of antiferromagnetic Mn₅Si₃, Materials Cloud Archive 2024.16 (2024), https://doi.org/10.24435/materialscloud:p1-pr


The metallic compound Mn5Si3 hosts a series of antiferromagnetic phases that can be controlled by external stimuli, such as temperature and magnetic field. In this work, we investigate the spin-excitation spectrum of bulk Mn5Si3 by combining inelastic neutron scattering measurements and density functional theory calculations. We study the evolution of the dynamical response under external parameters and demonstrate that the spin dynamics of each phase is robust against any combination of temperature and magnetic field. In particular, the high-energy spin dynamics is very characteristic of the different phases consisting of either spin waves or broad fluctuation patterns. This data set contains the data relevant to performing the spin dynamics simulations with the Spirit code, the spin-wave calculations with the SWIS code, and the neutron scattering experimental data.

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antiferromagnetism frustration noncollinear magnetism spin waves inelastic neutron scattering MARVEL INTERSECT

Version history:

2024.16 (version v1) [This version] Jan 29, 2024 DOI10.24435/materialscloud:p1-pr