Pair Breaking Caused by Magnetic Impurities in the High-T${}_{\text{C}}$ Superconductor Bi${}_{2.1}$Sr${}_{1.9}$Ca(Cu${}_{1-x}$Fe${}_x$)${}_2$O${}_y$

S. Parham, T. J. Reber, Y. Cao +7

Conventional superconductivity is robust against the addition of impurities unless the impurities are magnetic in which case superconductivity is quickly suppressed. Here we presen…