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Polycrystalline FeSr2YCu2O6+y was synthesized and its transport and magnetic properties were studied. Diamagnetism was observed below 60K. Zero resistivity was observed below 38K under zero magnetic field and below 10K under 160kOe. A two-step transition was observed in resistivity measurement due to the superconductivity in individual grains and across inter-grain boundaries. The critical current...
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