ISIS Neutron and Muon Source Data Journal

Magnetic order of correlated hourglass fermion candidate Eu5In2Sb5

Abstract: A new kind of topologically protected electronic state has been predicted in crystals whose surfaces form atomic patterns with certain non-symmorphic symmetries. Eu5In2Sb6 is one candidate for this phenomenon, and is of special interest because this topology may here be coupled to a large ordered magnetic moment. Indeed, we found unusual transport properties that are linked to its low-temperature antiferromagnetic phases. Eu5In2Sb6 has two magnetic transitions, at 14 K and 7.5 K. Using resonant x-ray scattering (REXS), we recently determined the spin-arrangement below 7.5 K. However, we did not find the magnetic propagation vector in the intermediate (7.5-14K) phase. We therefore propose a short and simple neutron diffraction experiment which will inform the continuation of our REXS study. This should elucidate the apparent competition of magnetic couplings in this material.

Principal Investigator: Professor Marein Rahn
Experimenter: Dr Priscila Rosa
Local Contact: Dr Pascal Manuel
Experimenter: Dr Marc Janoschek
Experimenter: Dr Filip Ronning
Experimenter: Dr Larissa Ishibe Veiga

DOI: 10.5286/ISIS.E.RB1920539

ISIS Experiment Number: RB1920539

Publisher: STFC ISIS Neutron and Muon Source

Data format: RAW/Nexus
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Data Citation

The recommended format for citing this dataset in a research publication is as:
[author], [date], [title], [publisher], [doi]

For Example:
Professor Marein Rahn et al; (2019): Magnetic order of correlated hourglass fermion candidate Eu5In2Sb5, STFC ISIS Neutron and Muon Source, https://doi.org/10.5286/ISIS.E.RB1920539

Data is released under the CC-BY-4.0 license.