ISIS Neutron and Muon Source Data Journal

High precision measurement of the spin waves in Yttrium Iron Garnet

Abstract: Yttrium Iron Garnet (YIG) is a material with extremely wide ranging applications. It is a ferrimagnetic spinel with the narrowest ferromagnetic resonance linewidth of any known material. Despite decades of experiments on this material, data relating to its full magnon spectrum is sparse. The spectrum is known to contain 20 branches, but the most thorough work to date relies upon a 3-parameter hamiltonian derived from fitting just 3 (the only 3 that were observed in what is still the only INS measurement on this material). Increasing interest in YIG for applications in magnonics (the magnon equivalent of electronics) necessitates a direct measurement of the optical magnon modes, which are crucial for understanding and exploiting this material. We propose to take advantage of large single crystals that are commercially available and thoroughly map the entire excitation spectrum.

Principal Investigator: Dr Andrew Princep
Experimenter: Professor Andrew Boothroyd
Experimenter: Dr Alexy Karenowska
Local Contact: Dr Russell Ewings

DOI: 10.5286/ISIS.E.RB1520403

ISIS Experiment Number: RB1520403

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): High precision measurement of the spin waves in Yttrium Iron Garnet, STFC ISIS Neutron and Muon Source, https://doi.org/10.5286/ISIS.E.RB1520403

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