ISIS Neutron and Muon Source Data Journal

Resolving the crystal field scheme for Dy3+ in DyNiAl4

Abstract: The intermetallic series RNiAl4 (R = rare earth) exhibit interesting low temperature magnetic behaviour including a variety of (in)commensurate magnetic phases and metamagnetic transitions. The large inverse magnetocaloric effect observed for TbNiAl4 offers potential for low temperature magnetic cooling and it is expected that the strong magnetic anisotropies are driven by the crystal field (CF) interaction. Recent efforts to characterise the CF using inelastic neutron scattering (INS) have been directed at ErNiAl4 as with J=15/2 the orthorhombic environment results in 8 doublets, enough to determine the 9 symmetry-allowed crystal field parameters, although to date this has not produced a unique set of parameters. To complement studies of Er, we propose to perform a detailed study of DyNiAl4 which is also J=15/2 with the aim of solving the crystal field.

Principal Investigator: Dr Andrew Princep
Experimenter: Dr Alexy Karenowska
Experimenter: Dr Wayne Hutchison
Experimenter: Professor Glen Stewart
Local Contact: Dr Tatiana Guidi

DOI: 10.5286/ISIS.E.RB1520086

ISIS Experiment Number: RB1520086

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 Andrew Princep et al; (2015): Resolving the crystal field scheme for Dy3+ in DyNiAl4, STFC ISIS Neutron and Muon Source, https://doi.org/10.5286/ISIS.E.RB1520086

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