YbV3Sb4 is predicted to be a nonmagnetic metal with V-3d flat bands, Yb-4f states highly sensitive to spin-orbit coupling and Hubbard U, and a Z2 invariant of 1, which the authors classify as a strong topological metal.
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Electronic properties of Kagome metal YbV$_3$Sb$_4$: A First-Principles Study
YbV3Sb4 is predicted to be a nonmagnetic metal with V-3d flat bands, Yb-4f states highly sensitive to spin-orbit coupling and Hubbard U, and a Z2 invariant of 1, which the authors classify as a strong topological metal.