Abstract
The scaling behaviors of global pinning force density (F p =J c ×B) in dc sputtered Tl-Ba-Ca-Cu-O superconducting thin films as functions of both the reduced magnetic field and temperature were investigated by direct transport measurements for fields up to 4 kOe. It was found that, depending on the film granularities (originating from different deposition and annealing conditions and characterized by the temperature and magnetic-field dependencies of critical currents), vastly different scaling behaviors were manifested
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