Oscillatory Persistent Currents in Self-Assembled Quantum Rings

A. J. M. Kleemans, N.; Bominaar-Silkens, I.M.A.; M. Fomin, V.; N. Gladilin, V.; Granados, Daniel; G. Taboada, A.; M. Garcı́a, J.; Offermans, P.; Zeitler, U.; C. M. Christianen, P.; C. Maan, J.; T. Devreese, J.; M. Koenraad, P.

doi:10.1103/physrevlett.99.146808

Public

Oscillatory Persistent Currents in Self-Assembled Quantum Rings

Published in Physical Review Letters • Oct 5, 2007

Authors:

N. A. J. M. Kleemans

I.M.A. Bominaar-Silkens

V. M. Fomin

Abstract

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 pro...

Subject

Condensed matter physics

Oscillation (cell signaling)

Scanning tunneling microscope

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