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Effects of single-electron charging in a tunnel structure with a metallic cluster

  • Low-Dimensional Systems and Surface Physics
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Abstract

The effects of single-electron tunnel charging and Coulomb blockade in a cluster structure (molecular transistor) are studied theoretically with allowance for the quantization of the electronic levels in an island electrode. The electronic spectrum is calculated for small spherical and disk-shaped clusters. Under the assumption that the total energy of the system is conserved with inclusion of the contact potential difference, equations are derived for analyzing the current-voltage characteristic. Limitations associated with the Coulomb instability of a cluster and with electron relaxation are introduced into the theory. For single-electron transistors with small gold clusters, the current gap and the asymmetry in its position on the voltage axis are calculated. The current gap is shown to vary nonmonotonically with the cluster size.

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Authors and Affiliations

  1. Zaporozh’e National Technical University, Zaporozh’e, 69063, Ukraine

    V. V. Pogosov, E. V. Vasyutin, V. P. Kurbatskiĭ & A. V. Korotun

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  1. V. V. Pogosov
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  2. E. V. Vasyutin
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  3. V. P. Kurbatskiĭ
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  4. A. V. Korotun
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Original Russian Text © V.V. Pogosov, E.V. Vasyutin, V.P. Kurbatskiĭ, A.V. Korotun, 2006, published in Fizika Tverdogo Tela, 2006, Vol. 48, No. 10, pp. 1849–1857.

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Pogosov, V.V., Vasyutin, E.V., Kurbatskiĭ, V.P. et al. Effects of single-electron charging in a tunnel structure with a metallic cluster. Phys. Solid State 48, 1965–1973 (2006). https://doi.org/10.1134/S1063783406100258

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  • DOI: https://doi.org/10.1134/S1063783406100258

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