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20 papers · 2 filters
Charge-density-wave states in double-layer graphene structures in a high magnetic field
Csaba Toke, Vladimir I. Fal'ko
We study the phases of correlated charge-density waves that form at a high magnetic field in two parallel graphene flakes separated by a thin insulator. The predicted phases includ…
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-orbit coupling, quantum dots, and qubits in monolayer transition metal dichalcogenides
Andor Kormányos, Viktor Zólyomi, Neil D. Drummond +1
We derive an effective Hamiltonian which describes the dynamics of electrons in the conduction band of transition metal dichalcogenides (TMDC) in the presence of perpendicular elec…
Nanoscale resolution scanning thermal microscopy with thermally conductive nanowire probes
Maria Timofeeva, Alexey Bolshakov, Peter D. Tovee +3
Scanning thermal microscopy (SThM) - a type of scanning probe microscopy that allows mapping thermal transport and temperatures in nanoscale devices, is becoming a key approach tha…
Infrared absorption by graphene-hBN heterostructures
D. S. L. Abergel, J. R. Wallbank, Xi Chen +2
We propose a theory of optical absorption in monolayer graphene-hexagonal boron nitride (hBN) heterostructures. In highly oriented heterostructures, the hBN underlay produces a lon…
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…