Single Electron Charging Effects in Mesoscopic Systems
Interim technical rept.
HARVARD UNIV CAMBRIDGE MA DIV OF APPLIED SCIENCES
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We report the investigation of two ultra-small tunnel junctions in series. These junctions have capacitances on the order of 10-18 - 10-19F each. In this regime the charging energy associated with a single electron tunneling event e22C can be made significantly larger than thermal fluctuations kBT at liquid helium temperatures. As such, measurements of the tunneling current as a function of voltage show unique features associated individual electron tunneling events.
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