Journal
APPLIED PHYSICS LETTERS
Volume 88, Issue 18, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.2200475
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A single-electron-based circuit, in which electrons are transferred one by one with a turnstile and subsequently detected with a high-charge-sensitivity electrometer, was fabricated on a silicon-on-insulator substrate. The turnstile, which is operated by opening and closing two metal-oxide-semiconductor field-effect transistors alternately, allows single-electron transfer at room temperature owing to electric-field-assisted shrinkage of the single-electron box. It also achieves fast single-electron transfer (less than 10 ns) and extremely long retention (more than 10(4) s). We have applied these features to a multilevel memory and a time-division weighted sum circuit for a digital-to-analog converter. (c) 2006 American Institute of Physics.
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