ISIS Neutron and Muon Source Data Journal

Cu3LiRu2O6: a 4d4 (Jeff = 1) based possible Quantum Spin Liquid

Abstract: Honeycomb lattices are a fertile playground for exploring Kitaev physics. The interplane spacing can be tuned by changing the spacer atom (H, Ag, or Cu in our case). This impacts the magnetic in-plane interactions. Also, the magnetic atoms in the honeycomb plane can be changed (Ir, Ru or a mixture of the two) to tailor the magnetism of the system. The phase diagram is rich: ranging from the usual ordered state to the Kitaev Spin Liquid state with dynamic moments. In the given proposal, muSR will be carried out to probe the nature of the ground state in Cu3LiRu2O6 which shows no sign of long-range order down to 400 mK whereas a non-zero spin susceptibility is inferred from the 7Li NMR shift data. It appears that the Ru4+ is stabilised in a magnetic state rather than the expected J = 0 state. The formation of the novel excitonic spin liquid might be suggested in this case. Muon depolarisation rate and its temperature dependence, effect of longitudinal field on the decoupling will be examined.

Local Contact: Dr Koji Yokoyama
Experimenter: Dr Sanjay Bachhar
Experimenter: Professor Avinash Mahajan
Local Contact: Dr John Wilkinson
Experimenter: Dr Saikat Nandi

DOI: 10.5286/ISIS.E.RB2310046

ISIS Experiment Number: RB2310046

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 Koji Yokoyama et al; (2024): Cu3LiRu2O6: a 4d4 (Jeff = 1) based possible Quantum Spin Liquid, STFC ISIS Neutron and Muon Source, https://doi.org/10.5286/ISIS.E.RB2310046

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