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tunnel junctions with native or thermal oxide barriers
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10.1063/1.2226546
/content/aip/journal/apl/89/4/10.1063/1.2226546
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/4/10.1063/1.2226546
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Normalized conductance plot measured at for /native oxide/ junction. The two insets show the characteristic of the junction and the transition temperatures of the electrodes, respectively.

Image of FIG. 2.
FIG. 2.

(a) Normalized conductance vs voltage at selected temperatures for /native oxide/ junction defined using lithography and etching. (b) Variation of the sum gap of the two electrodes as a function of temperature: discrete points were experimentally obtained while the continuous line was obtained by theoretical evaluation. The inset in (b) shows the characteristics at low bias.

Image of FIG. 3.
FIG. 3.

(a) Normalized conductance vs voltage plot for /oxide/Pb junctions with native oxide barriers (curves marked 2 and 3) and with thermal oxide barriers (curves marked 1, 4, and 5). On each of the curves, the arrows point to the voltages at which the conductance is twice that at zero bias. The curves have been shifted vertically and the horizontal line beneath each curve is the zero reference. All curves were obtained at temperatures between 4.2 and . (b) vs plot for the /native oxide/Pb junction referred as (3) in (a). The two insets in (b) show the characteristics at low and high biases, respectively, for the junction marked (4) in (a).

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/content/aip/journal/apl/89/4/10.1063/1.2226546
2006-07-28
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: MgB2 tunnel junctions with native or thermal oxide barriers
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/4/10.1063/1.2226546
10.1063/1.2226546
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