= Most important superconductor material
As of 2023 the most important ones economicaly were:
* <Nb-Ti>: the most widely used one. Used e.g. to create the <magnetic fields> of the <Large Hadron Collider> Up to 15 <Tesla (unit)>[T].
* <Nb-Sn>: more expensive than <Nb-Ti>, but can reach up to 30 <Tesla (unit)>[T].
The main application is <Magnetic resonance imaging>. Both of these are have to be <Liquid helium>, i.e. they are not "<high-temperature superconductor>" which is a pain. One big strength they have is that they are <metallic>, and therefore can made into wires, which is crucial to be able to make <electromagnetic coils> out of them.
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