Makarovsky_PRL2008.pdf (1.08 MB)
Fock-Darwin-like quantum dot states formed by charged Mn interstitial ions
journal contribution
posted on 2013-07-11, 12:47 authored by O. Makarovsky, O. Thomas, Alexander BalanovAlexander Balanov, Laurence Eaves, A. Patane, Richard Campion, Charles T. Foxon, E.E. Vdovin, D.K. Maude, G. Kiesslich, R.J. AireyWe report a method of creating electrostatically induced quantum dots by thermal diffusion of interstitial Mn ions out of a p-type (GaMn)As layer into the vicinity of a GaAs quantum well. This approach creates deep, approximately circular, and strongly confined dotlike potential minima in a large (200 μm) mesa diode structure without need for advanced lithography or electrostatic gating. Magnetotunneling spectroscopy of an individual dot reveals the symmetry of its electronic eigenfunctions and a rich energy level spectrum of Fock-Darwin-like states with an orbital angular momentum component |lz| from 0 to 11.
History
School
- Science
Department
- Physics
Citation
MAKAROVSKY, O. ... et al., 2008. Fock-Darwin-like quantum dot states formed by charged Mn interstitial ions. Physical Review Letters, 101 (22), 226807, 4pp.Publisher
© American Physical SocietyVersion
- VoR (Version of Record)
Publication date
2008Notes
This article was published in the journal, Physical Review Letters [© American Physical Society]. It is also available at: http://link.aps.org/doi/10.1103/PhysRevLett.101.226807ISSN
0031-9007Publisher version
Language
- en