It sounds like you're asking asking whether some regions of a sample could be superconducting while others are normal phase. This can occur in heterogeneous ma

It sounds like you're asking asking whether some regions of a sample could be superconducting while others are normal phase. This can occur in heterogeneous materials as in a Josephson's junction. Pretty cool stuff when you look at it. An unknown 23 yr old grad student faced down a two-time Nobel prize winner and was right!