ISIS Neutron and Muon Source Data Journal

Magnetic excitations in the new S = 1/2 kagome antiferromagnet and quantum spin liquid candidate ND3+2xCu3-xMo2O8(OD)2

Abstract: Materials which display exotic electronic states are of great interest to fundamental science, such as quantum spin-liquids (QSL) which are theorised to underpin the transition to high-Tc superconductivity. Inelastic neutron scattering has recently revealed fractionalised excitations in the S=1/2 kagome magnet herbertsmithite, a hallmark of a QSL state. Such a highly frustrated state survives in this material despite cationic disorder which perturbs the 2-D magnetic structure. Here we propose to measure a material with remarkably similar properties, ND3+2xCu3-xMo2O8(OD)2, where the kagome lattice is slightly depleted. Bulk magnetisation measurements reveal strong antiferromagnetic interactions (~300K) yet no sign of long-range magnetic order down to T = 2K. Therefore, this material offers the potential to explore QSL states as well as provide an interesting comparison to herbertsmithite.

Principal Investigator: Professor Andrew Wills
Local Contact: Dr Helen Walker
Experimenter: Mr David Boldrin
Experimenter: Dr Bjorn Fak
Experimenter: Mr Eamonn Connolly

DOI: 10.5286/ISIS.E.RB1610320

ISIS Experiment Number: RB1610320

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 Andrew Wills et al; (2016): Magnetic excitations in the new S = 1/2 kagome antiferromagnet and quantum spin liquid candidate ND3+2xCu3-xMo2O8(OD)2, STFC ISIS Neutron and Muon Source, https://doi.org/10.5286/ISIS.E.RB1610320

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