Zero‐Dimensional Interstitial Electron‐Induced Spin–Orbit Coupling Dirac States in Sandwich Electride
Weizhen Meng,
Jiayu Jiang,
Yalong Jiao
et al.
Abstract:The development of inorganic electrides offers new possibilities for studying topological states due to the nonnuclear‐binding properties displayed by interstitial electrons. Herein, a sandwich electride 2[CaCl]+:2e− is designed, featuring a tetragonal lattice structure, including two atomic lattice layers and one interstitial electron layer. The interstitial electrons form nonsymmorphic‐symmetry‐protected Dirac points (DPs) at the X and M points, which are robust against the spin–orbit coupling effect. DPs ex… Show more
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