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Avalanche-driven fractal flux distributions in NbN superconducting films
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10.1063/1.1992673
/content/aip/journal/apl/87/4/10.1063/1.1992673
http://aip.metastore.ingenta.com/content/aip/journal/apl/87/4/10.1063/1.1992673

Figures

Image of FIG. 1.
FIG. 1.

Magnetic moment as a function of applied field at for two NbN films: thick (upper) and thick (lower).

Image of FIG. 2.
FIG. 2.

(Color online) Magneto-optical images of flux distribution in a thick NbN film at for increasing magnetic field. The image brightness represents the magnitude of the local flux density.

Image of FIG. 3.
FIG. 3.

(Color online) First dendrites formed in a zero-field-cooled NbN film during increasing applied field . Dendrites formed at higher temperatures are characterized by a stronger branching.

Image of FIG. 4.
FIG. 4.

Determination of fractal dimension of the first dendritic flux structure for different temperatures: 3.5, 3.8, 4.4, and from top to bottom. The curves are shifted vertically to avoid overlapping.

Image of FIG. 5.
FIG. 5.

Fractal dimension and total area of the first dendritic flux structure as functions of temperature or applied field.

Tables

Generic image for table
Table I.

Parameters of NbN films.

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/content/aip/journal/apl/87/4/10.1063/1.1992673
2005-07-18
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Avalanche-driven fractal flux distributions in NbN superconducting films
http://aip.metastore.ingenta.com/content/aip/journal/apl/87/4/10.1063/1.1992673
10.1063/1.1992673
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