Using x-ray resonant magnetic scattering in vector magnetic fields, this work explores the effect of the anisotropic exchange interaction on the magnetic spiral pitch in the cubic chiral magnet Co₈Zn₈Mn₄. The experimental data reveal up to a 5% variation in the helical pitch within the (001) plane depending on temperature. Furthermore, the results reveal the existence of intrinsic competition between magnetocrystalline and exchange anisotropies in this material, with each favoring different orientations of the helical vector in the ground state.
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Ukleev et al. (2024) studied this question.
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