Spin effects in quantum dots | Zendy

Könemann J. | Zendy; Winkler R. | Zendy; Maude D. K. | Zendy; Haug R. J. | Zendy

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Spin effects in quantum dots

Author(s) -

Könemann J.,

Winkler R.,

Maude D. K.,

Haug R. J.

Publication year - 2006

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.200642292

Subject(s) - quantum tunnelling , quantum dot , condensed matter physics , spin (aerodynamics) , scanning tunneling spectroscopy , spectroscopy , physics , electron , chemistry , materials science , quantum mechanics , thermodynamics

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 Landé g ‐factor of GaAs quantum dots of different confinement strengths. We observe with increasing confinement a shift of the Landé‐factor from the bulk GaAs‐value towards positive values. Our results are compared to a multiband‐ k · p ‐calculation. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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