ISIS Neutron and Muon Source Data Journal

MuSR investigation of static and dynamic properties of spin-5/2 frustrated triangular lattice compound Ba3MnTa2O9

Abstract: A polycrystalline sample of the title compound Ba3MnTa2O9 was prepared by the conventional solid- state reaction method. Rietveld refinement of the HR-XRD data at T = 300 K confirms that the material is in a single phase with P-3m1 (164) space group. Curie-Weiss fitting of magnetic susceptibility data indicates strong antiferromagnetic coupling (CW temperature -12K) among the Mn2+ (S = 5/2) moments arranged in a frustrated edge-shared triangular lattice. No clear evidence of long- range magnetic ordering at least down to 500 mK in susceptibility and specific heat is observed. A broad hump is observed ~3 K in the specific heat. These measurements indicate that Ba3MnTa2O9 might host a spin-liquid state. It is essential to perform the muSR experiments to explore the putative spin-liquid behavior in the well-characterized polycrystalline sample of Ba3MnTa2O9.

Principal Investigator: Dr Tusharkanti Dey
Experimenter: Professor Avinash Mahajan
Experimenter: Dr Saikat Nandi
Local Contact: Dr Peter Baker
Experimenter: Mr Romario Mondal

DOI: 10.5286/ISIS.E.RB2510527

ISIS Experiment Number: RB2510527

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:
Dr Tusharkanti Dey et al; (2025): MuSR investigation of static and dynamic properties of spin-5/2 frustrated triangular lattice compound Ba3MnTa2O9, STFC ISIS Neutron and Muon Source, https://doi.org/10.5286/ISIS.E.RB2510527

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