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| Título: | Oscillatory persistent currents in self-assembled quantum rings |
Autor: | Kleemans, N. A. J. M.; Bominaar-Silkens, I. M. A.; Fomin, Vladimir M.; Gladilin, V. N.; Granados, Daniel CSIC ORCID; González Taboada, Alfonso CSIC; García Martínez, Jorge Manuel CSIC ORCID CVN ; Offermans, P.; Zeitler, U.; Christianen, P.C.M.; Maan, J. C.; Devreese, J. T.; Koenraad, P. M. | Palabras clave: | Gallium arsenide III-V semiconductors Indium compounds Magnetic moments Magnetisation Nanostructured materials Persistent currents Scanning tunnelling microscopy Self-assembly Semiconductor quantum dots |
Fecha de publicación: | 5-oct-2007 | Editor: | American Physical Society | Citación: | Physics Review Letters 99, 146808 (2007) | Resumen: | We report the direct measurement of the persistent current carried by a single electron by means of magnetization experiments on self-assembled InAs/GaAs quantum rings. We measured the first Aharonov-Bohm oscillation at a field of 14 T, in perfect agreement with our model based on the structural properties determined by cross-sectional scanning tunneling microscopy measurements. The observed oscillation magnitude of the magnetic moment per electron is remarkably large for the topology of our nanostructures, which are singly connected and exhibit a pronounced shape asymmetry. | Versión del editor: | http://dx.doi.org/10.1103/PhysRevLett.99.146808 http://link.aps.org |
URI: | http://hdl.handle.net/10261/11955 | DOI: | 10.1103/PhysRevLett.99.146808 | ISSN: | 0031-9007 |
| Aparece en las colecciones: | (IMN-CNM) Artículos |
Ficheros en este ítem:
| Fichero | Descripción | Tamaño | Formato | |
|---|---|---|---|---|
| Kleemans, N.A.J.M. et al PhysRevLett_99_2007.pdf | 874,95 kB | Adobe PDF |  Visualizar/Abrir |
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