Spin effects in quantum dots

Konemann, J.; Winkler, R.; Maude, D. K.; Haug, R. J.

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Spin effects in quantum dots

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Maude, D. K.
High Magnetic Field Laboratory, Former Departments, Max Planck Institute for Solid State Research, Max Planck Society;

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Haug, R. J.
Abteilung v. Klitzing, Former Departments, Max Planck Institute for Solid State Research, Max Planck Society;

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Citation

Konemann, J., Winkler, R., Maude, D. K., & Haug, R. J. (2006). Spin effects in quantum dots. physica status solidi (b), 243(14), 3678-3681.

Cite as: https://hdl.handle.net/21.11116/0000-000E-B4B9-6

Abstract

Spin-resolved single-electron tunneling in GaAs/AlGaAs double-barrier resonant tunneling structures is used to investigate the spin-splitting of fully quantized electronic states. With the use of magneto-tunneling spectroscopy we evaluated the Lande g-factor of GaAs quantum dots of different confinement strengths. We observe with increasing confinement a shift of the Lande-factor from the bulk GaAs-value towards positive values. Our results are compared to a multiband-k(.)p-calculation. (c) 2006 WILEY-VCH Vertag GmbH & Co. KGaA, Weinheim.