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5 papers · 2 filters
Spin-polarized (001) surface states of the topological crystalline insulator Pb_{0.73}Sn_{0.27}Se
B. M. Wojek, R. Buczko, S. Safaei +9
We study the nature of (001) surface states in Pb_{0.73}Sn_{0.27}Se in the newly discovered topological-crystalline-insulator (TCI) phase as well as the corresponding topologically…
Topological crystalline insulator states in Pb(1-x)Sn(x)Se
P. Dziawa, B. J. Kowalski, K. Dybko +9
Topological insulators are a novel class of quantum materials in which time-reversal symmetry, relativistic (spin-orbit) effects and an inverted band structure result in electronic…
Thickness dependence of magnetic properties of (Ga,Mn)As
O. Proselkov, D. Sztenkiel, W. Stefanowicz +4
We report on a monotonic reduction of Curie temperature in dilute ferromagnetic semiconductor (Ga,Mn)As upon a well controlled chemical-etching/oxidizing thinning from 15 nm down t…
Determination of the Bending Rigidity of Graphene via Electrostatic Actuation of Buckled Membranes
Niklas Lindahl, Daniel Midtvedt, Johannes Svensson +4
The small mass and atomic-scale thickness of graphene membranes make them highly suitable for nanoelectromechanical devices such as e.g. mass sensors, high frequency resonators or…
Spatially controlled formation of superparamagnetic (Mn,Ga)As nanocrystals in high temperature annealed (Ga,Mn)As/GaAs superlattices
J. Sadowski, J. Z. Domagala, R. Mathieu +2
The annealing-induced formation of (Mn,Ga)As nanocrystals in (Ga,Mn)As/GaAs superlattices was studied by X-ray diffraction, transmission electron microscopy and magnetometry. The s…