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Resistance anomaly in disordered superconducting films
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View: Figures


Image of FIG. 1.
FIG. 1.

SEM image of a disordered superconducting antidot array.

Image of FIG. 2.
FIG. 2.

(Color online) (a) curves at and various currents. (b) An expansion of the data near to show the details of the bumps/peaks. The inset of (b) shows typical hysteresis in a curve with arrows indicating the temperature sweeping directions.

Image of FIG. 3.
FIG. 3.

(Color online) (a) curves at and various magnetic fields. (b) Analysis of the curve obtained at and . Definitions of , , and are also given. The open circles are experimental data and the thin dashed curve represents the fitting with the AL contribution for the lower resistance step. The derived and for (and also for other currents) are given in the inset along with . The thick dashed curve in (b) is the calculated resistance with AL contributions for the whole sample at based on the fitting data ( and ) for the lower resistance step. The thick solid curves represent the resistances with DOS contributions. and were used for all fittings.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Resistance anomaly in disordered superconducting films