Control of chiral magnetic textures in B20 transition metal silicide/germanide heterostructures

DOI

In order to realise the technological potential of skyrmion-based spintronics, thin film materials with high ordering temperatures and small skyrmions are needed. The canonical B20 monogermanide FeGe magnetically orders below about 280 K and and has a skyrmion size of ~90 nm. Whilst promising, these properties require improvement. We have recently shown in the FeCoSi system that epitaxial strain provides dramatic increases in ordering temperature (twofold) and shrinkage of the skyrmions (fourfold). We therefore propose the use of this material as an underlayer for FeGe to epitaxially strain the germanide and test the hypothesis that the skyrmion size is reduced. We shall use PNR to measure the period of the underlying helical ground-state in these strained FeGe layers, and thus infer the skyrmion size.

Identifier
DOI https://doi.org/10.5286/ISIS.E.49916903
Metadata Access https://icatisis.esc.rl.ac.uk/oaipmh/request?verb=GetRecord&metadataPrefix=oai_datacite&identifier=oai:icatisis.esc.rl.ac.uk:inv/49916903
Provenance
Creator Mr Rowan Temple; Mr Charles Spencer; Professor Christopher Marrows; Miss Priyasmita Sinha; Professor Sean Langridge; Dr Timothy Charlton; Dr Christy Kinane; Dr Nicholas Porter
Publisher ISIS Neutron and Muon Source
Publication Year 2017
Rights CC-BY Attribution 4.0 International; https://creativecommons.org/licenses/by/4.0/
OpenAccess true
Contact isisdata(at)stfc.ac.uk
Representation
Resource Type Dataset
Discipline Natural Sciences; Physics
Temporal Coverage Begin 2014-07-23T23:00:00Z
Temporal Coverage End 2014-07-28T23:00:00Z