ISIS Neutron and Muon Source Data Journal

Spin dynamics of a triangular-lattice quantum spin liquid candidate K2Co(SeO3)2

Abstract: Quantum fluctuations stabilize novel collective phenomena in frustrated spin systems, such as quantum spin liquids (QSL) and magnetization plateaus. Here we propose to use inelastic neutron scattering (INS) to investigate the spin dynamics of a triangular-lattice quantum spin liquid candidate K2Co(SeO3)2. This compound exhibits strong magnetic frustration and field-induced magnetization plateaus, but no long-range order is found down to 0.35 K at zero field. Unlike many QSL candidates, K2Co(SeO3)2 shows no signature of structural disorders which is known to complicate the interpretation of the INS data, and it has an easy-axis type anisotropy. We will study the magnetic excitations in both the potential QSL phase at zero field and the field-induced plateau phase. Our results would uncover the exotic spin dynamics of a QSL material without complexities due to structural disorder.

Principal Investigator: Professor Andrey Zheludev
Experimenter: Mr Jakob Sebastian Nagl
Local Contact: Dr Christian Balz
Experimenter: Dr Mengze Zhu
Local Contact: Dr Ross Stewart
Experimenter: Miss Viola Romerio

DOI: 10.5286/ISIS.E.RB2320138

ISIS Experiment Number: RB2320138

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 Andrey Zheludev et al; (2024): Spin dynamics of a triangular-lattice quantum spin liquid candidate K2Co(SeO3)2, STFC ISIS Neutron and Muon Source, https://doi.org/10.5286/ISIS.E.RB2320138

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