Narrow metal wires patterned on Si(100) wafers by conventional e-beam lithography have been subsequently mechanically modiΓed with an atomic force microscope. Using the line resistance as an indicator of the progress of the modiΓcation, narrow insulating gaps were successfully machined into the line
Thermoelectric and thermo-Coulomb effects in tunnel junctions
β Scribed by M. Amman; E. Ben-Jacob; J.L. Cohn
- Publisher
- Elsevier Science
- Year
- 1992
- Tongue
- English
- Weight
- 484 KB
- Volume
- 171
- Category
- Article
- ISSN
- 0375-9601
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π SIMILAR VOLUMES
The Coulomb blockade of electron tunneling through two tunnel junctions in series can be suppressed periodically by applying a gate voltage to the central island. The resulting conductance peaks ("Coulomb oscillations") have been studied in aluminum-oxide-aluminum tunnel junctions. For decreasing te
A microscopic theory for ultrasmall ferromagnetic double tunnel junctions is proposed, which selfconsistently describes the higher order tunneling processes as well as the charged states of the islands for arbitrary environmental impedance. Such a theory is indispensable to understanding of the phys
The finite temperature I-V-;:haracteristic of a normal tunnel junction coupled to its electromagnetic environment is calculated. It is shown that due to quantum fluctuations of the charge the Coulomb gap is only observable provided the impedance Z(w) of the environment exceeds the resistance quantum