ISIS Neutron and Muon Source Data Journal

The magnetic crossover diagram of RbCuF3

Abstract: KCuF3 is a famous quasi-one-dimensional S = ½ Heisenberg antiferromagnet, which displays many novel quantum magnetic properties including high-temperature dynamics, quantum critical scaling and signals of entanglement. In contrast, the other ACuF3 (A = Ag, Rb,NH4/ND4) have not been as deeply investigated due to the difficulties of procuring high quality single crystals. We have grown the first single crystal of RbCuF3 that is of a high enough quality for neutron spectroscopy. We propose to use MERLIN to investigate whether the dimensional crossover found in KCuF3 exists in RbCuF3 via the magnetic excitation spectrum. If the longitudinal mode is present in RbCuF3, we can identify not only whether RbCuF3 behaves like a 1D Luttinger liquid, but also the energy and temperature ranges over which the quantum critical point dominates.

Experimenter: Dr Ursula Bengaard Hansen
Experimenter: Dr David Tam
Experimenter: Dr Øystein Slagtern Fjellvåg
Experimenter: Dr Jian Rui Soh
Experimenter: Ms Alexandra Turrini
Local Contact: Dr Travis Williams

DOI: 10.5286/ISIS.E.RB2410354

ISIS Experiment Number: RB2410354

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 Ursula Bengaard Hansen et al; (2024): The magnetic crossover diagram of RbCuF3 , STFC ISIS Neutron and Muon Source, https://doi.org/10.5286/ISIS.E.RB2410354

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