A Tunable Kondo Effect in Quantum Dots
- 24 July 1998
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 281 (5376), 540-544
- https://doi.org/10.1126/science.281.5376.540
Abstract
A tunable Kondo effect has been realized in small quantum dots. A dot can be switched from a Kondo system to a non-Kondo system as the number of electrons on the dot is changed from odd to even. The Kondo temperature can be tuned by means of a gate voltage as a single-particle energy state nears the Fermi energy. Measurements of the temperature and magnetic field dependence of a Coulomb-blockaded dot show good agreement with predictions of both equilibrium and nonequilibrium Kondo effects.Keywords
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