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Magnetic nature of wolframite MgReO4
KTH, School of Engineering Sciences (SCI), Applied Physics.ORCID iD: 0000-0003-4441-8882
Chalmers Univ Technol, Dept Phys, SE-41296 Gothenburg, Sweden..
Paul Scherrer Inst, Lab Muon Spin Spect, CH-5232 Villigen, Switzerland..
Natl Inst Mat Sci, Tsukuba, Ibaraki 3050044, Japan..
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2023 (English)In: 15th International Conference on Muon Spin Rotation, Relaxation and Resonance, MuSR 2022 / [ed] Prando, G Pratt, F, IOP Publishing , 2023, Vol. 2462, article id 012037Conference paper, Published paper (Refereed)
Abstract [en]

Rhenium oxides belonging to the family AReO4 where A is a metal cation, exhibit interesting electronic and magnetic properties. In this study we have utilized the muon spin rotation/relaxation (mu+SR) technique to study the magnetic properties of the MgReO4 compound. To the best of our knowledge, this is the first investigation reported on this interesting material, that is stabilized in a wolframite crystal structure using a special highpressure synthesis technique. Bulk magnetic studies show the onset of an antiferromagnetic (AF) long range order, or a possible singlet spin state at T-C1 approximate to 90 K, with a subtle second hightemperature transition at T-C2 approximate to 280 K. Both transitions are also confirmed by heat capacity (Cp) measurements. From our mu+SR measurements, it is clear that the sample enters an AF order below T-C1 = T-N approximate to 85 K. We find no evidence of magnetic signal above TN, which indicates that T-C2 is likely linked to a structural transition. Further, via sensitive zero field (ZF) mu(+) SR measurements we find evidence of a spin reorientation at T-Cant approximate to 65 K. This points towards a transition from a collinear AF into a canted AF order at low temperature, which is proposed to be driven by competing magnetic interactions.

Place, publisher, year, edition, pages
IOP Publishing , 2023. Vol. 2462, article id 012037
Series
Journal of Physics Conference Series, ISSN 1742-6588
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:kth:diva-329458DOI: 10.1088/1742-6596/2462/1/012037ISI: 000995428200037Scopus ID: 2-s2.0-85152622076OAI: oai:DiVA.org:kth-329458DiVA, id: diva2:1771876
Conference
15th International Conference on Muon Spin Rotation, Relaxation and Resonance (SR), AUG 28-SEP 02, 2022, Univ Parma, Parma, ITALY
Note

QC 20230621

Available from: 2023-06-21 Created: 2023-06-21 Last updated: 2023-12-07Bibliographically approved

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Nocerino, ElisabettaElson, FrankPalm, RasmusMiniotaite, UgneMånsson, Martin

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