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Laser processed channels of easy vortex motion in films
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10.1063/1.2128481
/content/aip/journal/apl/87/19/10.1063/1.2128481
http://aip.metastore.ingenta.com/content/aip/journal/apl/87/19/10.1063/1.2128481
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematics of a superconducting device consisting of a laser inhibited YBCO bridge with a single -wide, LW channel oriented perpendicular to the direction of the bridge axis.

Image of FIG. 2.
FIG. 2.

(a) MO image of the remnant magnetic field in a square contact pad of the bridge structure obtained after cooling the sample in 600 G and turning off the magnetic field at . (b) MO image of the penetration of 280 G magnetic field into the bridge area containing one LW channel. Bright areas in (a) and (b) correspond to higher intensity of a local magnetic field.

Image of FIG. 3.
FIG. 3.

Resistivity vs temperature dependences of a -wide and -long YBCO bridge with a single -wide LW channel (2 - stars) and with two LW channels separated by (3 - diamonds), measured with a dc current of . Curve (1 - triangles) was recorded for a channel-free reference device. The inset shows evolution of the resistive tail with changing dc current for a single-channel device.

Image of FIG. 4.
FIG. 4.

Temperature dependence of the critical current density for a reference bridge (1 - triangles) and a bridge containing a single LW channel (2 - stars).

Image of FIG. 5.
FIG. 5.

curves of a single-channel bridge at and 87.83 K in zero applied field. The arrows mark an onset of the Josephson-like step structures. Inset: low voltage part of the curves on the expanded scale.

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/content/aip/journal/apl/87/19/10.1063/1.2128481
2005-11-04
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Laser processed channels of easy vortex motion in YBa2Cu3O7−δ films
http://aip.metastore.ingenta.com/content/aip/journal/apl/87/19/10.1063/1.2128481
10.1063/1.2128481
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