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- California Institute of TechnologyUS78 papers
- University of California, BerkeleyUS33 papers
- Centre National de la Recherche ScientifiqueFR30 papers
- Jet Propulsion LaboratoryUS30 papers
- Center for Astrophysics Harvard & SmithsonianUS29 papers
- Imperial College LondonGB25 papers
- University of ArizonaUS24 papers
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15 papers · 2 filters
Crossover from quantum to Boltzmann transport in graphene
Shaffique Adam, Piet W. Brouwer, S. Das Sarma
We compare a fully quantum mechanical numerical calculation of the conductivity of graphene to the semiclassical Boltzmann theory. Considering a disorder potential that is smooth o…
Measurement of discrete energy-level spectra in individual chemically-synthesized gold nanoparticles
F. Kuemmeth, K. I. Bolotin, S. -F. Shi +1
We form single-electron transistors from individual chemically-synthesized gold nanoparticles, 5-15 nm in diameter, with monolayers of organic molecules serving as tunnel barriers.…
Corner Junction as a Probe of Helical Edge States
Chang-Yu Hou, Eun-Ah Kim, Claudio Chamon
We propose and analyze inter-edge tunneling in a quantum spin Hall corner junction as a means to probe the helical nature of the edge states. We show that electron-electron interac…
Spin-Torque-Induced Rotational Dynamics of a Magnetic Vortex Dipole
G. Finocchio, O. Ozatay, L. Torres +3
We study, both experimentally and by numerical modeling, the magnetic dynamics that can be excited in a magnetic thin-film nanopillar device using the spin torque from a spatially…
Strain and field modulation in bilayer graphene band structure
Hassan Raza, Edwin C. Kan
Using an external electric field, one can modulate the bandgap of Bernal stacked bilayer graphene by breaking A-~B symmetry. We analyze strain effects on the bilayer graphene using…
Anomalous Conductance Oscillations and Half-Metallicity in Atomic Ag-O Chains
Mikkel Strange, Kristian S. Thygesen, James P. Sethna +1
Using spin density functional theory we study the electronic and magnetic properties of atomically thin, suspended chains containing silver and oxygen atoms in an alternating seque…