Field-Tuned Superconductor-Insulator Transition in BaPb1-xBixO3

P. Giraldo-Gallo, H. Lee, Y. Zhang +4

BaPb${}_{1-x}$Bi${}_x$O${}_3$ is found to exhibit a field-tuned superconductor to insulator transition for Bi compositions 0.24 $\le x\le$ 0.29. The magnetoresistance of optimally dop…