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Quantum spin-valley Hall effect in AB-stacked bilayer silicene
Our density functional theory calculations show that while AB-stacked bilayer silicene has a non-quantized spin-valley Chern number, there exist backscattering-free gapless edge states within the bulk gap, leading to a quantum spin-valley Hall effect. Using a tight-binding model for a honeycomb bila...
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| Udgivet i: | Sci Rep |
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| Main Authors: | , |
| Format: | Artigo |
| Sprog: | Inglês |
| Udgivet: |
Nature Publishing Group UK
2019
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| Fag: | |
| Online adgang: | https://ncbi.nlm.nih.gov/pmc/articles/PMC6923400/ https://ncbi.nlm.nih.gov/pubmed/31857647 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1038/s41598-019-55927-9 |
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