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Low hysteretic behavior of Josephson junctions
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10.1063/1.2357915
/content/aip/journal/apl/89/13/10.1063/1.2357915
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/13/10.1063/1.2357915
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

SEM micrograph of the two-junction SQUID. The junction is formed between the first and third layers of Al, whereas the second layer (middle shadow of the mask) is not used in this structure. The curves were measured using a four-point configuration.

Image of FIG. 2.
FIG. 2.

(Color online) (a) Typical current-voltage characteristics of a two-junction Al SQUID, demonstrating a small remaining hysteresis. When the supercurrent is suppressed by a magnetic field , , where is the flux quantum, nonlinearity of the quasiparticle branch with is observed. (b) TJM-model simulation with the value of giving the best agreement with experiment. The model does not account for the junction self-heating, which was observed in experiment in form of a “back-bending” of curves at .

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/content/aip/journal/apl/89/13/10.1063/1.2357915
2006-09-28
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Low hysteretic behavior of Al∕AlOx∕Al Josephson junctions
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/13/10.1063/1.2357915
10.1063/1.2357915
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