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Vortex ratchet effect in a niobium film with spacing-graded density of pinning sites
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10.1063/1.2767386
/content/aip/journal/jap/102/3/10.1063/1.2767386
http://aip.metastore.ingenta.com/content/aip/journal/jap/102/3/10.1063/1.2767386
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematic presentation of the spacing-graded array configuration.

Image of FIG. 2.
FIG. 2.

Magnetoresistance curves MR of a niobium film with spacing-graded array of holes in two opposite direction of dc current: (a) and (b) .

Image of FIG. 3.
FIG. 3.

dc voltage drop as a function of ac current for different magnetic fields. Panels (a)–(b): . Panel (c): . Panel (d)–(f): . is the first matching field and is equal to .

Image of FIG. 4.
FIG. 4.

(a) The dependence of the maximum∕minimum rectified voltage in the curves of the peak∕dip for different applied magnetic field. (b) The position of peak (open symbols) and dip (filled symbols) as a function of applied magnetic field.

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/content/aip/journal/jap/102/3/10.1063/1.2767386
2007-08-13
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Vortex ratchet effect in a niobium film with spacing-graded density of pinning sites
http://aip.metastore.ingenta.com/content/aip/journal/jap/102/3/10.1063/1.2767386
10.1063/1.2767386
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