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Shell Filling and Spin Effects in a Few Electron Quantum Dot
Open accessAbstract
We study atomiclike properties of artificial atoms by measuring Coulomb oscillations in vertical quantum dots containing a tunable number of electrons starting from zero. At zero magnetic field the energy needed to add electrons to a dot reveals a shell structure for a two-dimensional harmonic potential. As a function of magnetic field the current peaks shift in pairs, due to the filling of electrons into spin-degenerate single-particle states. When the magnetic field is sufficiently small, however, the pairing is modified, as predicted by Hund's rule, to favor the filling of parallel spins.
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Citations
Cited by
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Likharev, K. K. (1999) · Proceedings of the IEEE · doi:10.1109/5.752518 · Cited by 1,453
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Reimann, S. M., & Manninen, M. (2002) · Reviews of Modern Physics · doi:10.1103/revmodphys.74.1283 · Cited by 1,380
Quantum Dot as Spin Filter and Spin Memory
Recher, P., Sukhorukov, E. V., & Loss, D. (2000) · Physical Review Letters · doi:10.1103/physrevlett.85.1962 · Cited by 301
Quantum rings for beginners: energy spectra and persistent currents
Viefers, S., Koskinen, P., Singha Deo, P., & Manninen, M. (2004) · Physica E: Low-dimensional Systems and Nanostructures · doi:10.1016/j.physe.2003.08.076 · Cited by 283
Modelling chemical reactions using semiconductor quantum dots
Smirnov, A. Y., Savel'ev, S., Mourokh, L. G., & Nori, F. (2007) · Europhysics Letters (EPL) · doi:10.1209/0295-5075/80/67008 · Cited by 40
Metadata
- Authors
- Tarucha, S., Austing, D. G., Honda, T., van der Hage, R. J., & Kouwenhoven, L. P.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 1996-10-21
- Volume
- 77
- Issue
- 17
- Pages
- 3613-3616
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2142750133
- Cited by
- 1,329
- References
- 0
- FWCI
- 44.16
- Type
- journal article
- Language
- en
- Open access
- green
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- Tarucha, S., Austing, D. G., Honda, T., van der Hage, R. J., & Kouwenhoven, L. P. (1996). Shell Filling and Spin Effects in a Few Electron Quantum Dot. Physical Review Letters. https://doi.org/10.1103/physrevlett.77.3613
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