TITLE

Single-electron charging in a parallel dot structure

AUTHOR(S)
Wang, T. H.; Aoyagi, Y.
PUB. DATE
January 2001
SOURCE
Applied Physics Letters;1/29/2001, Vol. 78 Issue 5, p634
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
A parallel dot structure, which is not conductively coupled but capacitively coupled, is fabricated. Both of the respective single dots show clear Coulomb blockade oscillations (CBOs) as their gate voltages are scanned. Single-electron charging in one dot causes oscillations of the current through another dot, even in the regime of more negative gate voltages where the CBOs cannot be observed due to a too weak current. In addition, information on the energy levels in one dot can be obtained. © 2001 American Institute of Physics.
ACCESSION #
4711280

 

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