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The signature of conductance quantization in metallic point contacts

✍ Scribed by Krans, J. M.; van Ruitenbeek, J. M.; Fisun, V. V.; Yanson, I. K.; de Jongh, L. J.

Book ID
109793360
Publisher
Nature Publishing Group
Year
1995
Tongue
English
Weight
348 KB
Volume
375
Category
Article
ISSN
0028-0836

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We present exact free-electron conductance calculations of narrow necks connecting two three-dimensional electron gases. A simple model for the evolution of an atomic point contact during an elongation process is proposed. The conductance and cross-section of the neck are calculated simultaneously d