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Dirac edges of fractal magnetic minibands in graphene with hexagonal moire superlattices
Xi Chen, J. R. Wallbank, A. A. Patel +3
We find a systematic reappearance of massive Dirac features at the edges of consecutive minibands formed at magnetic fields B_{p/q}= pϕ_0/(qS) providing rational magnetic flux thro…
Spin memory and spin-lattice relaxation in two-dimensional hexagonal crystals
H. Ochoa, F. Guinea, V. I. Fal'ko
We propose a theory of spin relaxation of electrons and holes in two-dimensional hexagonal crystals such as atomic layers of transition metal dichalcogenides (MoS2, WSe2, etc). We…
Heterostructure bilayer graphene-hBN: Interplay between misalignment, interlayer asymmetry, and trigonal warping
M. Mucha-Kruczynski, J. Wallbank, V. I. Fal'ko
We study the superlattice minibands produced by the interplay between moiré pattern induced by hexagonal BN substrate on graphene layer and the interlayer coupling in bilayer graph…
Band Structure and Optical Transitions in Atomic Layers of Hexagonal Gallium Chalcogenides
V. Zólyomi, N. D. Drummond, V. I. Fal'ko
We report density-functional-theory calculations of the electronic band structures and optical absorption spectra of two-dimensional crystals of GaX (X=S, Se, and Te). Our…