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”SR investigations of spin-dynamics and magnetism in Triple Perovskites Ba3MRuIrO9 (M = Mg, Na, Zn, Ni)
Abstract: 6H-perovskites with formula Ba3MAAŽO9, which form in triple perovskite P63/mmc structure, display interesting magnetic properties on account of large spin-orbit coupling because of the shorter A-AŽ distance in this structure. Among these the Ba3MgRuIrO9, Ba3NiRuIrO9, Ba3ZnRuIrO9 and Ba3NaRuIrO9 with mixed 4d (Ru) and 5d (Ir) moments present an interesting magnetic behavior as a result of competing localized and itinerant magnetism. The magnetic susceptibility measurements show a magnetic transition of complex nature near 17 K in Ba3MgRuIrO9, near 88 K in Ba3NaRuIrO9, near 60 K in Ba3NiRuIrO9 and near 75 K in Ba3ZnRuIrO9 with large splitting between ZFC and FC susceptibility. The magnetic measurements show the presence of short-range ferromagnetic and long-range antiferromagnetic correlations in all these compounds and have been suggested to show spin-liquid-like behaviour. Further investigations using the muon spin relaxation (”SR) measurements would be very informative to understand the magnetism and spin-dynamics in Ba3MRuIrO9 (M = Mg, Na, Zn, Ni). We therefore propose to carry out ”SR measurements on these compounds using EMU.
Principal Investigator: Dr Uthayakumar Sivaperumal
Experimenter: Dr Devashi Adroja
Experimenter: Dr Vivek Kumar Anand
Local Contact: Dr Stephen Cottrell
DOI: 10.5286/ISIS.E.RB2510487
ISIS Experiment Number: RB2510487
Part DOI | Instrument | Public release date | Download Link |
---|---|---|---|
10.5286/ISIS.E.RB2510487-1 | EMU | 11 March 2028 | Download |
Publisher: STFC ISIS Neutron and Muon Source
Data format: RAW/Nexus
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Data Citation
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Dr Uthayakumar Sivaperumal et al; (2025): ”SR investigations of spin-dynamics and magnetism in Triple Perovskites Ba3MRuIrO9 (M = Mg, Na, Zn, Ni), STFC ISIS Neutron and Muon Source, https://doi.org/10.5286/ISIS.E.RB2510487
Data is released under the CC-BY-4.0 license.