Image forces in tunnel and point-contact spectroscopy
β Scribed by A.M. Gabovich; V.M. Rozenbaum; A.I. Voitenko
- Publisher
- Elsevier Science
- Year
- 1996
- Tongue
- English
- Weight
- 206 KB
- Volume
- 218
- Category
- Article
- ISSN
- 0921-4526
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π SIMILAR VOLUMES
SET effects have been observed in point-contact tunnel junctions on surface doped Si. Changing the electromagnetic environment does not appreciably affect the junction capacitance. Furthermore the influence of a Coulomb gap on STM-spectroscopy on superconductors is discussed.
## Abstract The experimental imaging of microscopic currents in twoβdimensional electron gas based systems has been recently realized exploiting an ingenious use of scanning microscope tips. By means of the Keldysh Green's function formalism in a tightβbinding framework, I study the electron transp