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Gate controlled valley polarizer in bilayer graphene
Sign reversal of Berry curvature across two oppositely gated regions in bilayer graphene can give rise to counter-propagating 1D channels with opposite valley indices. Considering spin and sub-lattice degeneracy, there are four quantized conduction channels in each direction. Previous experimental w...
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| Udgivet i: | Nat Commun |
|---|---|
| Main Authors: | , , , , , |
| Format: | Artigo |
| Sprog: | Inglês |
| Udgivet: |
Nature Publishing Group UK
2020
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| Fag: | |
| Online adgang: | https://ncbi.nlm.nih.gov/pmc/articles/PMC7058031/ https://ncbi.nlm.nih.gov/pubmed/32139694 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1038/s41467-020-15117-y |
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