For Mn(1-x)GexBi2Te4, first-principles calculations map a doping-dependent sequence of magnetic topological insulator, magnetic Dirac and Weyl semimetal, normal insulator, and topological insulator phases, plus a strain-induced Weyl phase with long Fermi arcs.
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Emergence of Diverse Topological States in Ge Doped MnBi2Te4
For Mn(1-x)GexBi2Te4, first-principles calculations map a doping-dependent sequence of magnetic topological insulator, magnetic Dirac and Weyl semimetal, normal insulator, and topological insulator phases, plus a strain-induced Weyl phase with long Fermi arcs.