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Phys. Rev. Lett. 81, 5225–5228 (1998)

From the Kondo Regime to the Mixed-Valence Regime in a Single-Electron Transistor

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D. Goldhaber-Gordon*, J. Göres, and M. A. Kastner
Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139

Hadas Shtrikman, D. Mahalu, and U. Meirav
Braun Center for Submicron Research, Weizmann Institute of Science, Rehovot, Israel 76100

Received 14 July 1998; published in the issue dated 7 December 1998

We demonstrate that the conductance through a single-electron transistor at low temperature is in quantitative agreement with predictions of the equilibrium Anderson model. The Kondo effect is observed when an unpaired electron is localized within the transistor. Tuning the unpaired electron's energy toward the Fermi level in nearby leads produces a crossover between the Kondo and mixed-valence regimes of the Anderson model.

© 1998 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.81.5225
DOI:
10.1103/PhysRevLett.81.5225
PACS:
75.20.Hr, 72.15.Qm, 73.23.Hk

*Also at Weizmann Institute, Rehovot, Israel. Electronic address: davidg@mit.edu