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High critical current densities observed in ultrathin film constrictions
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10.1063/1.2358320
/content/aip/journal/apl/89/14/10.1063/1.2358320
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/14/10.1063/1.2358320
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Scanning electron microscope picture of a wide PBCO /YBCO /PBCO nanobridge coupled to a log-periodic antenna made of a thick gold film.

Image of FIG. 2.
FIG. 2.

Resistance vs temperature at zero applied field for a area PBCO/YBCO /PBCO nanobridge coupled to an antenna. Data are presented for various ac amplitudes from 0.05 up to .

Image of FIG. 3.
FIG. 3.

(Color online) Current-voltage log-scale characteristic measured by dc transport under current biasing in a ) PBCO/YBCO /PBCO nanobridge at and . Inset: Critical current density vs temperature fitted with a current depairing law with parameters and (solid line).

Image of FIG. 4.
FIG. 4.

Resistive transition observed in a PBCO/YBCO /PBCO nanobridge in magnetic field parallel to the plane with values , 0.5, 1, 2, and . Inset: at for perpendicular to the plane.

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/content/aip/journal/apl/89/14/10.1063/1.2358320
2006-10-02
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: High critical current densities observed in PrBa2Cu3O7−δ∕YBa2Cu3O7−δ∕PrBa2Cu3O7−δ ultrathin film constrictions
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/14/10.1063/1.2358320
10.1063/1.2358320
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