Excited states of ring-shaped (InGa)As quantum dots in a GaAs/(AlGa)As quantum well

F. Pulizzi; D. Walker; A. Patane; L. Eaves; M. Henini; D. Granados; J.M. Garcia; V.V. Rudenkov; P.C.M. Christianen; J.C. Maan; P. Offermans; P.M. Koenraad; G. Hill

doi:10.1103/PhysRevB.72.085309

Excited states of ring-shaped (InGa)As quantum dots in a GaAs/(AlGa)As quantum well

F. Pulizzi, D. Walker, A. Patane, L. Eaves, M. Henini, D. Granados, J.M. Garcia, V.V. Rudenkov, P.C.M. Christianen, J.C. Maan, P. Offermans, P.M. Koenraad, G. Hill

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Abstract

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 2p/sub z/-like character along the growth direction z. The states are investigated by magnetotunneling spectroscopy with magnetic fields applied parallel and perpendicular to z

Original language	English
Article number	85309
Pages (from-to)	85309-1/6
Number of pages	6
Journal	Physical Review B
Volume	72
Issue number	8
DOIs	https://doi.org/10.1103/PhysRevB.72.085309
Publication status	Published - 2005

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Pulizzi, F., Walker, D., Patane, A., Eaves, L., Henini, M., Granados, D., Garcia, J. M., Rudenkov, V. V., Christianen, P. C. M., Maan, J. C., Offermans, P., Koenraad, P. M., & Hill, G. (2005). Excited states of ring-shaped (InGa)As quantum dots in a GaAs/(AlGa)As quantum well. Physical Review B, 72(8), 85309-1/6. Article 85309. https://doi.org/10.1103/PhysRevB.72.085309

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abstract = "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 2p/sub z/-like character along the growth direction z. The states are investigated by magnetotunneling spectroscopy with magnetic fields applied parallel and perpendicular to z",

author = "F. Pulizzi and D. Walker and A. Patane and L. Eaves and M. Henini and D. Granados and J.M. Garcia and V.V. Rudenkov and P.C.M. Christianen and J.C. Maan and P. Offermans and P.M. Koenraad and G. Hill",

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AU - Pulizzi, F.

AU - Walker, D.

AU - Patane, A.

AU - Eaves, L.

AU - Henini, M.

AU - Granados, D.

AU - Garcia, J.M.

AU - Rudenkov, V.V.

AU - Christianen, P.C.M.

AU - Maan, J.C.

AU - Offermans, P.

AU - Koenraad, P.M.

AU - Hill, G.

PY - 2005

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N2 - 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 2p/sub z/-like character along the growth direction z. The states are investigated by magnetotunneling spectroscopy with magnetic fields applied parallel and perpendicular to z

AB - 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 2p/sub z/-like character along the growth direction z. The states are investigated by magnetotunneling spectroscopy with magnetic fields applied parallel and perpendicular to z

U2 - 10.1103/PhysRevB.72.085309

DO - 10.1103/PhysRevB.72.085309

M3 - Article

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SP - 85309-1/6

JO - Physical Review B

JF - Physical Review B

IS - 8

M1 - 85309

ER -

Excited states of ring-shaped (InGa)As quantum dots in a GaAs/(AlGa)As quantum well

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