Originally posted by humy
I have some questions:
As far as I am aware, all reasonably high-temperture superconductors have at least one heavy chemical element ( and usually a rare one )
Does a high-temperture superconductor generally require a heavy chemical element ( lets here define a “heavy element” as one with an atomic mass greater than that of iron ) or does having a ...[text shortened]... emperature of the superconductivity? And, if so, why?
-I tried Googling this but got nowhere.
Given that nobody has yet produced a general theory of superconductivity (and duly won the Nobel
prize for physics) I think the answer to the question for the moment is going to be we don't know.
However I would speculate that 'heavy' elements are useful as they have lots of loosely bound outer
electrons which might make forming the frictionless quantum electron fluid needed for superconductivity