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Xie, Li Shan (author), Jin, Guang Xi (author), He, Lixin (author), Bauer, G.E. (author), Barker, Joseph (author), Xia, Ke (author)
Yttrium iron garnet is the ubiquitous magnetic insulator used for studying pure spin currents. The exchange constants reported in the literature vary considerably between different experiments and fitting procedures. Here we calculate them from first principles. The local Coulomb correction (U-J) of density-functional theory is chosen such...
journal article 2017