2021
DOI: 10.48550/arxiv.2110.12322
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Spin dynamics in the skyrmion-host lacunar spinel GaV4S8

G. Pokharel,
H. Suriya Arachchige,
S. Gao
et al.

Abstract: In the lacunar spinel GaV4S8, the interplay of spin, charge, and orbital degrees of freedom produces a rich phase diagram that includes an unusual Néel-type skyrmion phase composed of molecular spins. To provide insight into the interactions underlying this complex phase diagram, we study the spin excitations in GaV4S8 through inelastic neutron scattering measurements on polycrystalline and single crystal samples. Using linear spin wave theory, we describe the spin wave excitations using a model where V4 clust… Show more

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