Tuning incommensurate spin textures in a Weyl semimetal
This study aims at the investigation of a Weyl semimetal with tunable ferromagnetic exchange couplings in the series of Ce1-xPrxAlGe. The end members CeAlGe and PrAlGe offer remarkable new physics in terms of being rare examples of magnetic Weyl semimetals, while the solid solutions of Ce and Pr allow a tuning between an easy-plane spin texture with an incommensurate component (CeAlGe) and an easy-axis ferromagnet (PrAlGe). Here we propose to study the various solid solutions first by powder diffraction, and then by small-angle neutron scattering (SANS) to determine the composition-dependence of the magnetic ground state in detail. These data are needed for the full understanding of the interplay between magnetism and magnetotransport pheneomena arising from the topologically non-trivial features of the electronic structures in semimetals.
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PUPHAL Pascal; CUBITT Robert; KREBBER Sarah Luise; POMJAKUSHINA Ekaterina; SUARD Emmanuelle; UKLEEV Victor and WHITE Jonathan. (2019). Tuning incommensurate spin textures in a Weyl semimetal. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.5-31-2660
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