Conference Agenda

Overview and details of the sessions of this conference. Please select a date or location to show only sessions at that day or location. Please select a single session for detailed view (with abstracts and downloads if available).

Please note that all times are shown in the time zone of the conference. The current conference time is: 6th Dec 2022, 02:41:59am CET

Session Overview
MS-68: Symmetry aspects of magnetic order and magnetic properties
Thursday, 19/Aug/2021:
2:45pm - 5:10pm

Session Chair: Mois Ilia Aroyo
Session Chair: Margarida Henriques
Location: Club B

50 1st floor

Invited:  Laura Chaix (France), Fabio Orlandi (UK)

Session Abstract

The symmetry of commensurate and incommensurate magnetic structures can be unambiguously described using magnetic space and superspace groups. The description of symmetry of the magnetically ordered lattices and the involved order parameters are central concepts to fully characterize magnetic phases: symmetry provides a robust description of the spin- configuration modes and its constraints consistent with the parent paramagnetic phase and the magnetic propagation vector. Further, the assignment of a symmetry group for a magnetic phase conveys unequivocally other important properties coupled with the magnetic ordering. Symmetry-governed properties associated with magnetic transitions include ferroelectric polarization, ferromagnetic magnetization, various Hall-effect-type transport properties, and multiferroicity.

For all abstracts of the session as prepared for Acta Crystallographica see PDF in Introduction, or individual abstracts below.

The advances and challenges of the symmetry role in the study of magnetic structures and properties is the focus of attention of the microsymposium.

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2:45pm - 2:50pm

Introduction to session

Mois Ilia Aroyo, Margarida Henriques

2:50pm - 3:20pm

Ba3NbFe3Si2O14:a model system to study magnetic chirality


Univ. Grenoble Alpes, CNRS, Grenoble INP, Institut Néel, 38000 Grenoble, France

3:20pm - 3:50pm

Peculiar commensurate spin density wave in CeAuSb2 under uniaxial stress

Fabio Orlandi1, Richard Waite1,2, Dmitry Sokolov3, Raquel A. Ribeiro4, Paul C. Canfield4, Pascal Manuel1, Dimitry D. Khalyavin1, Clifford W. Hicks4, Stephen M. Hayden2

1ISIS Facility, Rutherford Appleton Laboratory, Chilton, Didcot, OX11 0QX, United Kingdom; 2H. H. Wills Physics Laboratory, University of Bristol, Bristol, BS8 1TL, United Kingdom; 3Max Planck Institute for Chemical Physics of Solids, Nöthnitzer Straße 40, 01187 Dresden, Germany; 4Ames Laboratory, U.S. DOE, and Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, United States

3:50pm - 4:10pm

Absolute sign of the Dzyaloshinskii-Moriya interaction in weak ferromagnets disclosed by polarized neutron diffraction

Henrik Friedrich Thoma1,2, Vladimir Hutanu1,2, Georg Roth2, Manuel Angst3

1Jülich Centre for Neutron Science (JCNS) at Heinz Maier-Leibnitz Zentrum (MLZ), Forschungszentrum Jülich GmbH, 85748 Garching, Germany; 2Institute of Crystallography, RWTH Aachen University, 52056 Aachen, Germany; 3Jülich Centre for Neutron Science JCNS and Peter Grünberg Institut PGI, JARA-FIT, Forschungszentrum Jülich GmbH, 52425 Jülich, Germany

4:10pm - 4:30pm

Resonant x-ray scattering of magnetic anisotropy and orbital ordering in Ca2RuO4

Dan Porter

Diamond Light Source Ltd, Didcot, United Kingdom

4:30pm - 4:50pm

Low-temperature magnetic state of Ho7Rh3 studied by neutron diffraction and ac magnetic susceptibility

Artem Vaulin1, Nikolay Baranov1,2, Alexander Prekul1, Takanori Tsutaoka3, Andey Gubkin1,2

1M.N. Mikheev Institute of Metal Physics of the Ural Branch of the Russian Academy of Sciences, Ekaterinburg, Russian Federation; 2UrFU them. the first President of Russia B.N. Yeltsin, Yekaterinburg, Russian Federation; 3Graduate School of Education, Hiroshima University, Higashi-Hiroshima, Japan

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