Large-gap quantum anomalous Hall states induced by functionalizing buckled Bi-III monolayer/
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Jin, Suhua; Xia, Yun; Shi, Wujun; Hu, Jiayu; Claessen, R.; Hanke, W.; Thomale, Ronny; Li, Gang

doi:10.1103/physrevb.106.125151

Phys. Rev. B

2022

DOI: 10.1103/physrevb.106.125151

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Large-gap quantum anomalous Hall states induced by functionalizing buckled Bi-III monolayer/ Al2O3

Suhua Jin

Yun Xia²,

Wujun Shi³

et al.

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Cited by 2 publications

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Orbital-active Dirac materials from the symmetry principle

Wu²

2022

Quantum Front

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Dirac materials, starting with graphene, have drawn tremendous research interest in the past decade. Instead of focusing on the $p_{z}$ p z orbital as in graphene, we move a step further and study orbital-active Dirac materials, where the orbital degrees of freedom transform as a two-dimensional irreducible representation of the lattice point group. Examples of orbital-active Dirac materials occur in a broad class of systems, including transition-metal-oxide heterostructures, transition-metal dichalcogenide monolayers, germanene, stanene, and optical lattices. Different systems are unified based on symmetry principles. The band structure of orbital-active Dirac materials features Dirac cones at $K(K')$ K ( K ′ ) and quadratic band touching points at Γ, regardless of the origin of the orbital degrees of freedom. In the strong anisotropy limit, i.e., when the π-bonding can be neglected, flat bands appear due to the destructive interference. These features make orbital-active Dirac materials an even wider playground for searching for exotic states of matter, such as the Dirac semi-metal, ferromagnetism, Wigner crystallization, quantum spin Hall state, and quantum anomalous Hall state.

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Orbital-active Dirac materials from the symmetry principle

Wu²

2022

Quantum Front

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Impact of correlations on topology in the Kane-Mele model decorated with impurities

Skolimowski,

Brzezicki,

Autieri

2024

Phys. Rev. B

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Large-gap quantum anomalous Hall states induced by functionalizing buckled Bi-III monolayer/ Al2O3

Cited by 2 publications

References 105 publications

Orbital-active Dirac materials from the symmetry principle

Orbital-active Dirac materials from the symmetry principle

Impact of correlations on topology in the Kane-Mele model decorated with impurities

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