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Quantum conductivity in the topological surface state in the SbVS kagome lattice

Physical Chemistry Chemical Physics, ISSN: 1463-9076, Vol: 24, Issue: 31, Page: 18983-18991
2022
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Article Description

We have successfully predicted the local topological bands in the frustrated kagome lattice SbVS. An important future research direction is to raise the kagome band with novel co-existing strong nonlinear dispersion and strong cohesion due to the anisotropic inner field of kagome SbVS to the Fermi level. The Z topological index of T-invariant systems provides evidence for a σ near the Fermi level that determines the quantum anomalous Hall state. This shows that the quantum anomalous Hall effect (QAHE) phase of the kagome lattice SbVS has a weak topological stability that is sensitive to weak disorder and field interactions. Neighbouring van Hove singularities near the Fermi level induced a quantum anomalous Hall conductivity and charge density wave platform.

Bibliographic Details

Song, Wei; Yan, Zhengxin; Ban, Liying; Xie, You; Liu, Wei; Kong, Juntao; Li, Weili; Cheng, Qian; Xu, Wuyue; Li, Dongxin

Royal Society of Chemistry (RSC)

Physics and Astronomy; Chemistry

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