ISIS Neutron and Muon Source Data Journal
This is a page describing data taken during an experiment at the ISIS Neutron and Muon Source. Information about the ISIS Neutron and Muon Source can be found at https://www.isis.stfc.ac.uk.
Determination of the magnetic structure of the quantum multiferroic Cs2Cu2Mo3O12
Abstract: Slow relaxational dynamics of electric polarization are characteristic of ferroelectrics and reveal themselves in dissipative anomalies of the dielectric constant. We have found such anomalies in the nonpolar frustrated quasi-1D quantum ferro-antiferromagnet Cs2Cu2Mo3O12. The dielectric response shows two distinct components: a critical divergence at the field-induced magnetic quantum critical point (QCP), and an unusual dissipative peak at ultra-low temperatures, present at all fields. The former stems from the inverse Dzyaloshinskii-Moriya mechanism in the strongly magnetized state. The latter manifests itself as a strong modulation in the complex permittivity with a marked field and temperature dependence, which also becomes critical at the magnetic transition. This last feature is in full agreement with a model of Debye-like relaxation of electric dipoles mediated by the soft magnon that softens at the QCP, through a newly discovered multiferroic relaxation process. Nonetheless, a microscopic model is lacking. Understanding the lattice symmetry at low temperatures and determining the magnetic structure of Cs2Cu2Mo3O12 will be instrumental in clarifying the origin of this mechanism.
Principal Investigator: Mr Daniel Flavián Blasco
Experimenter: Dr Severian Gvasaliya
Local Contact: Dr Pascal Manuel
Experimenter: Professor Andrey Zheludev
DOI: 10.5286/ISIS.E.RB2300057
ISIS Experiment Number: RB2300057
| Part DOI | Instrument | Public release date | Download Link |
|---|---|---|---|
| 10.5286/ISIS.E.RB2300057-1 | WISH | 27 July 2027 | Download |
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:
Mr Daniel Flavián Blasco et al; (2024): Determination of the magnetic structure of the quantum multiferroic Cs2Cu2Mo3O12, STFC ISIS Neutron and Muon Source, https://doi.org/10.5286/ISIS.E.RB2300057
Data is released under the CC-BY-4.0 license.
