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Fluctuation of mean free path and transition temperature induced vortex pinning in (Ba,K)Fe2As2 superconductors
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10.1063/1.4714543
/content/aip/journal/apl/100/21/10.1063/1.4714543
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/21/10.1063/1.4714543
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

The J c-field dependence obtained from the M-H loops at different temperatures measured on a Ba0.72K0.28Fe2As2 single crystal.

Image of FIG. 2.
FIG. 2.

Temperature dependence of the normalised measured current density J c at magnetic fields of 1, 3, 4, and 5 T. The solid lines are the theoretical curves obtained based on the model of the δl (blue curves) pinning mechanism, the model of the the δT c (black curves) pinning mechanism, and the coexistence of both (red curves) pinning mechanisms.

Image of FIG. 3.
FIG. 3.

δl and δT c pinning contributions as functions of temperature in Ba0.72K0.28Fe2As2 single crystal at different magnetic fields.

Image of FIG. 4.
FIG. 4.

Magnetic field dependences of the δl and the δT c pinning contributions in Ba0.72K0.28Fe2As2 single crystal at different temperatures.

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/content/aip/journal/apl/100/21/10.1063/1.4714543
2012-05-21
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Fluctuation of mean free path and transition temperature induced vortex pinning in (Ba,K)Fe2As2 superconductors
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/21/10.1063/1.4714543
10.1063/1.4714543
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