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Título : Excited states of ring-shaped (InGa)As quantum dots in a GaAs∕(AlGa)As quantum well
Autor : Pulizzi, F., Walker, D., Patanè, A., Eaves, L., Henini, M., Granados, Daniel, García Martínez, Jorge Manuel, Rudenkov, V. V., Christianen, P. C. M., Maan, J. C., Offermans, P., Koenraad, P. M., Hill, G.
Palabras clave : Quantum dots
Quantum well
Fecha de publicación : 2-Aug-2005
Editor: American Physical Society
Resumen: By studying the resonant tunneling of electrons through self-assembled ring-shaped (InGa)As quantum dots embedded in the quantum well of an (AlGa)As/GaAs/ (AlGa)As heterostructure, we find evidence for the existence of excited states of the quantum dots which exhibit a 2pz-like character along the growth direction z. The states are investigated by magnetotunneling spectroscopy with magnetic fields applied parallel and perpendicular to z.
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ISSN: 1098-0121
DOI: 10.1103/PhysRevB.72.085309
Citación : Physical Review B 72, 085309 (2005)
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