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Superconducting properties of Ba(Fe1–<i>x</i>Ni<i>x</i>)2As2 thin films in high magnetic fields

Superconducting properties of Ba(Fe1–<i>x</i>Ni<i>x</i>)2As2 thin films in high magnetic fields

We report on the electrical transport properties of epitaxial Ba(Fe1–xNix)2As2 thin films grown by pulsed laser deposition in static magnetic fields up to 35 T. The thin film shows a critical temperature of 17.2 K and a critical current density of 5.7 × 105 A/cm2 in self field at 4.2 …