Coulomb blockade gap and coulomb staircase of a new type in various tunnel-junction arrays with two branches

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In various tunnel-junction arrays having two conducting branches between the source and the drain electrodes, a new type of Coulomb blockade gap and Coulomb staircase are observed. We attribute their appearance to the topology of the arrays which induces multiple electrons to become trapped. When the number of trapped electrons is varied by external sources, the current may flow during the transition, leading to an additional Coulomb blockade gap or Coulomb staircase in the I-V characteristics. The tunneling processes which lead to the formation and destruction of the additional gap and staircase are analyzed. (C) 1999 Academic Press.
Publisher
ACADEMIC PRESS LTD
Issue Date
1999
Language
English
Article Type
Article; Proceedings Paper
Citation

SUPERLATTICES AND MICROSTRUCTURES, v.25, no.1-2, pp.279 - 284

ISSN
0749-6036
DOI
10.1006/spmi.1998.0648
URI
http://hdl.handle.net/10203/76793
Appears in Collection
EE-Journal Papers(저널논문)
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