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Strong critical current density enhancement in NiCu/NbN superconducting nanostripes for optical detection
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10.1063/1.3479529
/content/aip/journal/apl/97/9/10.1063/1.3479529
http://aip.metastore.ingenta.com/content/aip/journal/apl/97/9/10.1063/1.3479529
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) Current-voltage characteristics of NbN/NiCu (closed circles) and NbN (closed squares) nanostripes measured at 4.7 K. Note that the current vertical scales are different. The inset shows a scanning electron microscope image of our investigated segmented-meander devices with a 150 nm wide nanostripe. (b) Critical current dependence on the nominal nanostripe width for both the pure NbN and NiCu/NbN segmented-meanders. Temperature was 4.2 K.

Image of FIG. 2.
FIG. 2.

Resistance vs temperature characteristics of our NiCu/NbN (open circles) and NbN (closed squares) nanostripes. The solid lines are the result of the fitting procedure (Ref. 23) used to extract .

Image of FIG. 3.
FIG. 3.

Photoresponse transients of NiCu/NbN (dashed line) and NbN (solid line) segmented-meander detectors collected at 4.7 K. The inset shows the normalized pulses, confirming that the time-domain photoresponse dynamics was the same in both cases.

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/content/aip/journal/apl/97/9/10.1063/1.3479529
2010-08-31
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Strong critical current density enhancement in NiCu/NbN superconducting nanostripes for optical detection
http://aip.metastore.ingenta.com/content/aip/journal/apl/97/9/10.1063/1.3479529
10.1063/1.3479529
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