ISIS Neutron and Muon Source Data Journal

High-energy spin dynamics in multiferroic ErFeO3 for magnon transport application

Abstract: ErFeO?, a multiferroic material, displays rich magnetic behaviour due to the interaction between Fe³? and Er³? ions, making it a promising candidate for spintronics and magnonics applications. While the low-energy magnon dynamics of this system have been extensively studied, the high-energy regime remains unexplored. This proposal aims to investigate the high-energy spin dynamics of ErFeO? using inelastic neutron scattering studies employing Merlin spectrometer. We will measure the magnon dispersions up to 100 meV at temperatures below and above magnetic transitions: (i) Fe³? spin reorientation at ~95 K and (ii) Er³? ordering at 4.5 K. Understanding the Fe - Fe interactions, including Heisenberg exchange and Dzyaloshinskii-Moriya interactions, will offer insights into spin-wave propagation crucial for future magnon-based devices. Our study will contribute to the development of spintronics by providing data on magnon group velocities and magnon propagation lengths, both vital for efficient magnon transport.

Principal Investigator: Dr Dnyaneshwar Raghunath Bhosale
Experimenter: Dr Michal Stekiel
Experimenter: Dr Martin Meven
Experimenter: Dr Astrid Schneidewind
Experimenter: Dr Piotr Fabrykiewicz
Local Contact: Dr Devashi Adroja

DOI: 10.5286/ISIS.E.RB2510189

ISIS Experiment Number: RB2510189

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 Dnyaneshwar Raghunath Bhosale et al; (2025): High-energy spin dynamics in multiferroic ErFeO3 for magnon transport application, STFC ISIS Neutron and Muon Source, https://doi.org/10.5286/ISIS.E.RB2510189

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