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We prepare ${\text{BaFe}}_{{\rm{2- }}x}{\text{Co}}_{x}{\text{As}}_{{2}}$ superconducting tape via the powder in tube method. The critical current density at 4.2 K and 10 T is $\text{1000 A/cm}^{2}$. We find that most of the grains are 1–2 μm large with random orientations, leading to a low c-axis texture. Via magnetization and magnetoresistance measurement, it is found that the superconducting phase...
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