TIME DEPENDENCE OF RESISTIVE TRANSITION OF EPITAXIAL GdBa2Cu3Oy SUPERCONDUCTING FILM IN PULSED MAGNETIC FIELD

Broadening of resistive superconducting transition in an epitaxial GdBa2Cu3Oy, superconducting film below Tc was studied by the pulsed magnetic field technique. The results show that the transition in the field is not only broadened but also time-dependent. It is suggested that the time dependence of the broadening of resistive transition is mainly caused by flux motion.