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Drastic improvement of surface structure and current-carrying ability in films by introducing multilayered structure
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10.1063/1.2211051
/content/aip/journal/apl/88/23/10.1063/1.2211051
http://aip.metastore.ingenta.com/content/aip/journal/apl/88/23/10.1063/1.2211051
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) dependence on the film thickness at (a) and at (b) in different fields. The dotted lines show fits. The asterisks show values for the multilayers in the corresponding fields.

Image of FIG. 2.
FIG. 2.

SEM micrographs of the surface morphology of different YBCO films being (a) , (b) , and (c) thick [the scale bar valid for all images in the left column is provided at the bottom of (c)], as well as one of the YBCO/NdBCO multilayers at different magnifications [(d)–(f)], so that (e) has the same magnification as (a)–(c) for comparison. At the highest magnification for the multilayer shown in (d), three thick YBCO layers separated by two thin NdBCO layers (shown by the arrows) can be observed. The dotted line in (d) indicates the STO/YBCO interface. The holes are clearly seen in (b) and (c), whereas in (a) some of the holes positions are shown by the arrows.

Image of FIG. 3.
FIG. 3.

(Color online) Critical current density as a function of applied magnetic field in (a) semilogarithmic and (b) double-logarithmic scales. The 0.4 and thick YBCO monolayer films as well as YBCO/NdBCO multilayers grown at different temperatures are shown for comparison.

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/content/aip/journal/apl/88/23/10.1063/1.2211051
2006-06-08
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Drastic improvement of surface structure and current-carrying ability in YBa2Cu3O7 films by introducing multilayered structure
http://aip.metastore.ingenta.com/content/aip/journal/apl/88/23/10.1063/1.2211051
10.1063/1.2211051
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