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5 papers · 2 filters
GaAs:Mn nanowires grown by molecular beam epitaxy of (Ga,Mn)As at MnAs segregation conditions
J. Sadowski, P. Dluzewski, S. Kret +7
GaAs:Mn nanowires were obtained on GaAs(001) and GaAs(111)B substrates by molecular beam epitaxial growth of (Ga,Mn)As at conditions leading to MnAs phase separation. Their density…
Quantum-dot thermometry
E. A. Hoffmann, N. Nakpathomkun, A. I. Persson +3
We present a method for the measurement of a temperature differential across a single quantum dot that has transmission resonances that are separated in energy by much more than th…
Energy gaps and interaction blockade in confined quantum systems
K. Capelle, M. Borgh, K. Karkkainen +1
Many-body effects in confined quantum systems pose a challenging problem due to the simultaneous presence of particle-particle interactions and spatial inhomogeneity. Here we inves…
Fabrication, optical characterization and modeling of strained core-shell nanowires
Z. Zanolli, L. E. Froeberg, M. T. Bjoerk +2
Strained nanowires with varying InAs/InP core-shell thicknesses were grown using Chemical Beam Epitaxy. Microphotoluminescence spectroscopy, performed at low temperature, was then…
Quantum confinement effects in InAs-InP core-shell nanowires
Z Zanolli, M-E Pistol, L E Froeberg +1
We report the detection of quantum confinement in single InAs-InP core-shell nanowires. The wires having an InAs core with ~25 nm diameter are characterized by emission spectra in…