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Width-dependent upper threshold field for flux noise in strips
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10.1063/1.2760141
/content/aip/journal/apl/91/4/10.1063/1.2760141
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/4/10.1063/1.2760141

Figures

Image of FIG. 1.
FIG. 1.

Magneto-optical images of flux penetration into the virgin state of thin films with widths of 1.6, 0.4, and at (a) and (b). Numerous dendritic structures were formed by abrupt flux avalanches. The applied field is .

Image of FIG. 2.
FIG. 2.

Magnetization hysteresis loops for films with different widths at 5 (a) and (b). The noisy region around is a result of dendritic flux avalanches. Inset: the virgin branches of the loops.

Image of FIG. 3.
FIG. 3.

Upper threshold field for dendritic avalanches vs film width extracted from the experimental data of Fig. 2 (symbols) and from the theoretical fit using the model of Ref. 15.

Tables

Generic image for table
Table I.

Avalanche-induced reduction of .

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/content/aip/journal/apl/91/4/10.1063/1.2760141
2007-07-27
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Width-dependent upper threshold field for flux noise in MgB2 strips
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/4/10.1063/1.2760141
10.1063/1.2760141
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