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.
Magnetic and lattice excitations in multiferroic BiMn2O5
Abstract: The exchange-striction mechanism, where parallel or antiparallel alignment of an ion's spin with its neighbour leads to displacements away from or towards the neighbour which can add up to a net electric polarisation if the ions carry different charges, is thought to be the underlying mechanism behind the magnetically induced ferroelectricity in BiMn2O5 and other RMn2O5 (R=rare earth, Y, Bi). In BiMn2O5 in particular, a high field spin-flop transition was found to be accompanied by a flip of the electric polarisation, illustrating their close affinity. This proposal seeks to measure the magnon spectrum in a powder sample as a first step to determining the spin Hamiltonian governing the magnetic behaviour, including the spin-flop transition, and also to determine the changes in the lattice dynamics with the magnetoelectric ordering.
Principal Investigator: Dr Duc Le
DOI: 10.5286/ISIS.E.RB1620464
ISIS Experiment Number: RB1620464
| Part DOI | Instrument | Public release date | Download Link |
|---|---|---|---|
| 10.5286/ISIS.E.82354224 | MARI | 18 February 2020 | 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:
Dr Duc Le; (2017): Magnetic and lattice excitations in multiferroic BiMn2O5, STFC ISIS Neutron and Muon Source, https://doi.org/10.5286/ISIS.E.RB1620464
Data is released under the CC-BY-4.0 license.
