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Anomalous negative differential conductance in nanomechanical double barrier tunneling structures
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10.1063/1.2077863
/content/aip/journal/apl/87/16/10.1063/1.2077863
http://aip.metastore.ingenta.com/content/aip/journal/apl/87/16/10.1063/1.2077863
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) characteristics and the theoretical number of electrons on a nanodot calculated by the CB theory. (b)-(g) Anomalous NDC characteristics observed in the tunneling current-voltage characteristics. (b), (c), and (d) dependence when the sample voltage is applied. (e), (f), and (g) dependence when the probe voltage is applied. (h) Comparison of characteristics [Fig. 1(c)] with characteristics [Fig. 1(f)]. The NDC is observed at the peak voltages of 165, 190, 220, 245, 285, 310, 340, and .

Image of FIG. 2.
FIG. 2.

Typical comings and goings frequency of a single electron as a function of the normalized probe voltage. (a) Typical theoretical -normalized voltage characteristics by assuming the tunneling resistance ratio as and as . (b) Logarithmic dependence of and on normalized voltage. (c) Typical oscillation frequency in transit between and -normalized voltage curve.

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/content/aip/journal/apl/87/16/10.1063/1.2077863
2005-10-12
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Anomalous negative differential conductance in nanomechanical double barrier tunneling structures
http://aip.metastore.ingenta.com/content/aip/journal/apl/87/16/10.1063/1.2077863
10.1063/1.2077863
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