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The monolayer YbN is predicted to be a 2D nodal line semimetal with full spin polarization in the absence of spin–orbit coupling as well as an intrinsic ferromagnet with an easy magnetic xy plane and Tc = 85 K. Considering the spin–orbit coupling with magnetic moments along z direction, the band crossings near Fermi level around Γ points are still preserved and robust against spin–orbit coupling...
Owing to its inherent non‐trivial geometry, the unique structural motif of the recently discovered kagome topological superconductor AV3Sb5 (A = K, Rb, Cs) is an ideal host of diverse topologically non‐trivial phenomena, including giant anomalous Hall conductivity, topological charge order, charge density wave (CDW), and unconventional superconductivity. Despite possessing a normal‐state CDW order...
Germanium, the prime applied semiconductor, is widely used in solid‐state electronics and photoelectronics. Unfortunately, since the 3D diamond‐like structure with strong covalent bonds impedes the 2D anisotropic growth, only the examples of ultrathin Ge along the (111) plane have been investigated, much less to the controllable synthesis along another crystal surface. Meanwhile, Ge(111) flakes are...