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Ale Crivillero, M.V.; Amigó, M.L.; Franco, D.G.; Badía-Majós, A.; Guimpel, J.; Nieva, G. |
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Title |
In Plane Vortex Dynamic Anisotropy in the Iron Deficient Fe_{1-y}Se Superconductor |
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Journal Article |
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Year |
2015 |
Publication |
Journal of Low Temperature Physics |
Abbreviated Journal |
J. Low Temp. Phys. |
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179 |
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1-2 |
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9-14 |
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Keywords |
Iron-based superconductors; Electrical transport; Critical currents |
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Abstract |
We present electrical transport measurements in the superconducting dissipative state of crystalline iron deficient Fe 1−y Se samples. These iron deficient samples were synthesized using NaCl/KCl flux and are characterized by the presence of correlated defects. The dissipation in electrical transport experiments, when the driving current is perpendicular or parallel to the crystal planes, depends strongly on the direction of the applied magnetic field , ( H=12 T), within the sample plane. There is a dissipation modulation each 60∘ due to the presence of the correlated defects. We correlate these angular dependent features with the variation of the critical currents ( Jc ) changing the direction of H confined in the crystals planes. Jc was measured from magnetization loops at fixed temperatures and angles of H always within the basal planes. |
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Springer US |
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0022-2291 |
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Call Number |
BT @ pedrazp @ |
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708 |
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