V Narayanamurti

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We use a scanning tunneling microscope to probe single-electron charging phenomena in individual CdSe/ ZnS ͑core/shell͒ quantum dots ͑QDs͒ at room temperature. The QDs are deposited on top of a bare Au thin film and form a double-barrier tunnel junction ͑DBTJ͒ between the tip, QD, and substrate. Analysis of room-temperature hysteresis in the current-voltage(More)
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