Microscopic origins and stability of the ferromagnetism in Co$_3$Sn$_2$S$_2$
I. V. Solovyev,
S. A. Nikolaev,
A. V. Ushakov
et al.
Abstract:Based on the density functional theory, we examine the origin of ferromagnetism in the Weyl semimetal Co3Sn2S2 using different types of response theories. We argue that the magnetism of Co3Sn2S2 has a dual nature and bears certain aspects of both itineracy and localization. On the one hand, the magnetism is soft, where the local magnetic moments strongly depend on temperature and the angles formed by these moments at different Co sites of the kagome lattice, as expected for itinerant magnets. On the other hand… Show more
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