Abstract
Coulomb blockade I-V characteristics are observed between a Au tip, 100 Å Ag particle, and conducting substrate, at 4.2 K. In such a voltage-biased double junction, the Coulomb threshold e/2C is expected to be a periodic function of the residual non-integer charge Q0 on the inner electrode (small particle), with period e. I-V spectra above an individual particle, obtained at 50 equally spaced values of tip-particle spacing, s, are analyzed to demonstrate control of Q0 by tip spacing s.
Original language | English (US) |
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Pages (from-to) | 333-337 |
Number of pages | 5 |
Journal | Ultramicroscopy |
Volume | 42-44 |
Issue number | PART 1 |
DOIs | |
State | Published - Jul 1992 |
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Atomic and Molecular Physics, and Optics
- Instrumentation