Matches in SemOpenAlex for { <https://semopenalex.org/work/W2800568639> ?p ?o ?g. }
- W2800568639 abstract "Very recently, twisted graphene bilayers (TGBs) around the first magic angle $ensuremath{theta}ensuremath{approx}1.{1}^{ensuremath{circ}}$ have attracted much attention for the realization of exotic quantum states, such as correlated insulator behavior and unconventional superconductivity. Here we elaborately study a series of TGBs around the first magic angle engineered by heterostrain, where each layer is strained independently. Our experiment indicates that a moderate heterostrain enables the structural evolution from the small-angle TGB (ensuremath{theta} ensuremath{sim} 1.5ifmmode^circelsetextdegreefi{}) to the strained magic-angle TGB (ensuremath{theta} ensuremath{sim} 1.1ifmmode^circelsetextdegreefi{}), exhibiting the characteristic low-energy flat bands. The heterostrain can even drive the system into highly strained tiny-angle TGBs (ensuremath{theta}$ensuremath{ll}1.1$ifmmode^circelsetextdegreefi{}) with large deformed tetragonal superlattices, where a unique network of topological helical edge states emerges. Furthermore, the predicted domain wall modes, which are strongly localized and result in a hexagon-triangle-mixed frustrated lattice derived from the Kagome lattice, are observed in the strained tiny-angle TGBs." @default.
- W2800568639 created "2018-05-17" @default.
- W2800568639 creator A5006596916 @default.
- W2800568639 creator A5049069334 @default.
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- W2800568639 date "2018-12-03" @default.
- W2800568639 modified "2023-10-13" @default.
- W2800568639 title "Twisted graphene bilayer around the first magic angle engineered by heterostrain" @default.
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- W2800568639 doi "https://doi.org/10.1103/physrevb.98.235402" @default.
- W2800568639 hasPublicationYear "2018" @default.
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