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Spectroscopic Measurements of Discrete Electronic States in Single Metal Particles
Abstract
We have made tunnel junctions containing one Al particle of diameter $<10$ nm. Tunneling via discrete electronic states in the particle produces steps in the current-voltage ( $I$- $V$) curve, providing, for the first time, a spectroscopic measurement of the electronic energy levels in a metal particle. With superconducting leads, the $I$- $V$ contribution from each discrete state has the form of the BCS density of states. We can determine the parity of the electron number in the particle's ground state through the effects of an applied magnetic field on the $I$- $V$ curve.
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Cites
Theory of dirty superconductors
Anderson, P. W. (1959) · Journal of Physics and Chemistry of Solids · doi:10.1016/0022-3697(59)90036-8 · Cited by 2,267
Cited by
Perspectives on the Physical Chemistry of Semiconductor Nanocrystals
Alivisatos, A. P. (1996) · The Journal of Physical Chemistry · doi:10.1021/jp9535506 · Cited by 3,595
Single-electron devices and their applications
Likharev, K. K. (1999) · Proceedings of the IEEE · doi:10.1109/5.752518 · Cited by 1,453
Spectroscopy of the Superconducting Gap in Individual Nanometer-Scale Aluminum Particles
Black, C. T., Ralph, D. C., & Tinkham, M. (1996) · Physical Review Letters · doi:10.1103/physrevlett.76.688 · Cited by 373
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Metadata
- Authors
- Ralph, D. C., Black, C. T., & Tinkham, M.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 1995-04-17
- Volume
- 74
- Issue
- 16
- Pages
- 3241-3244
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2087004205
- Cited by
- 525
- References
- 1
- FWCI
- 13.67
- Type
- journal article
- Language
- en
- Open access
- closed
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