It's not the temperature that makes HTSC a problem, it would still be fantastic if they were usable at liquid nitrogen temperatures. The difficulty is that most of these materials have a very low maximum field, in anything approaching the sort of fields you need for an MRI or even a motor the material stops superconducting. They are also difficult to form into wires.
It's not the temperature that makes HTSC a problem, it would still be fantastic if they were usable at liquid nitrogen temperatures. The difficulty is that most of these materials have a very low maximum field, in anything approaching the sort of fields you need for an MRI or even a motor the material stops superconducting. They are also difficult to form into wires.