Granular superconductivity and magnetic-field-driven recovery of macroscopic coherence in a cuprate/manganite multilayer

B. P. P. Mallett, J. Khmaladze, P. Marsik +6

We show that in Pr${}_{0.5}$La${}_{0.2}$Ca${}_{0.3}$MnO${}_3$/YBa${}_2$Cu${}_3$O${}_7$ (PLCMO/YBCO) multilayers the low temperature state of YBCO is very resistive and rese…