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Semiconductor-superconductor transition and magnetoresistance terraces in an ultrathin superconducting Pb nanobridge
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10.1116/1.3437016
/content/avs/journal/jvstb/28/4/10.1116/1.3437016
http://aip.metastore.ingenta.com/content/avs/journal/jvstb/28/4/10.1116/1.3437016
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) (a) Resistance vs temperature curve measured from a 28 ML Pb film. The inset is a scanning tunneling microscope image of the atomically flat Pb thin film. (b) Resistance vs temperature curve of a 28 ML thick, 500 nm wide, and long Pb nanobridge. The inset is a scanning electron micrograph of the Pb nanobridge. The dark region on the two sides of the Pb bridge is the exposed Si substrate, which isolates two blocks of the Pb film. (c) vs curve of the Pb nanobridge in the low-temperature regime from 9.5 to 28.6 K. The solid line is the linear fitting. (d) curves of the Pb nanobridge at 0 and 10 kOe perpendicular fields for comparison.

Image of FIG. 2.
FIG. 2.

(Color online) (a) Magnetoresistance of the Pb nanobridge with a magnetic field applied perpendicular to the film at 2 K. (b) curves of the Pb nanobridge measured at different temperatures. (c) Close-up view of (b) in the low magnetic field regime at various temperatures for clarity.

Image of FIG. 3.
FIG. 3.

(Color online) (a) curve of the Pb nanobridge at 2, 2.5, 3, and 4 K, respectively. The data are from the curves. (b) curve of the Pb nanobridge measured at 5, 5.5, 5.8, and 7 K, respectively. The data are from the curves.

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/content/avs/journal/jvstb/28/4/10.1116/1.3437016
2010-06-28
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Semiconductor-superconductor transition and magnetoresistance terraces in an ultrathin superconducting Pb nanobridge
http://aip.metastore.ingenta.com/content/avs/journal/jvstb/28/4/10.1116/1.3437016
10.1116/1.3437016
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