Effects of Inter-Granular Sn on Transport and Magnetic Properties of Polycrystalline GdBCO Superconductors
Applied Physics A(2024)
Abstract
Inter-granular Sn particles affect transport and magnetic properties both in the normal and superconducting states of polycrystalline GdBa2Cu3O7−δ (GdBCO) superconductors drastically. Normal state resistivity at 300 K increases 18.0 times as the concentration of Sn is increased. An unusual upturn in resistivity as a function of temperature curve with a dip is observed in GdBCO with 3.0 wt
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Key words
GdBCO,Current-voltage,Magnetization,Pinning force density,Critical current density
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