ISIS Neutron and Muon Source Data Journal

Half-Metallic Ferromagnetic Perovskite Oxides

Abstract: Half-metallic ferromagnets (HMFMs) have an electronic structure in which only one of the spin-channels of the conduction band is occupied. As a result, HMFM materials are spin polarised conductors, making them essential components of spintronic devices. In an attempt to prepare such a system, we have been electronically doping A2CoMoO6 (A = Sr, Ba) double perovskite oxides with La3+ cations. This La-doping acts to reduce the Mo6+ centres in these materials and thus insert electrons into the empty Mo 4d bands are then be spin polarised via coupling to the localised spins on the Co2+ cations. We propose to collect room temperature neutron diffraction data from LaxBaySr2-x-yCoMoO6 phases to establish their crystal structures (particularly the octahedral tilting distortions) and low-temperature magnetic structures so we can better understand this behaviour.

Principal Investigator: Professor Michael Hayward
Experimenter: Mr Riju Dey
Local Contact: Dr Ronald Smith
Experimenter: Miss Anni Wang

DOI: 10.5286/ISIS.E.RB2520113

ISIS Experiment Number: RB2520113

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:
Professor Michael Hayward et al; (2025): Half-Metallic Ferromagnetic Perovskite Oxides, STFC ISIS Neutron and Muon Source, https://doi.org/10.5286/ISIS.E.RB2520113

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