Search for magnetic skyrmions in a polar metal Y3Co8Sn4
Recently there has been a surge of interest in skyrmion spin textures. However, to date only few skyrmion hosting materials are known, and the skyrmions are almost always of the same chiral vortex-type. Here we propose a polarized SANS investigation of the long wavelength incommensurate magnetic structures of the polar crystal Y3Co8Sn4. This material potentially hosts a triple-q state, or a skyrmion crystal in the bulk, where the skyrmions may be of a new type. However, based on available data, it is not possible to assign the nature of the incommensurate magnetic modulation, i.e. if it is of helical or cycloidal type, and hence if the suspected skyrmion state is respectively of the common vortex-type or of a new Neel-type. Here we aim to resolve this controversy in a three-day polarized SANS experiment on D33.
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TAKAGI Rina; CUBITT Robert; HONECKER Dirk; PIOVANO Andrea; Henrik M. Ronnow and WHITE Jonathan. (2016). Search for magnetic skyrmions in a polar metal Y3Co8Sn4. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.5-42-415
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