It makes nickel just the third class of materials to achieve this feat above the threshold of minus 233 degrees Celsius at ...
Superconductors can carry electricity without losing energy, a superpower that makes them invaluable for a range of ...
Copper-oxide (CuO 2) superconductors, such as Bi 2 Sr 2 CaCu 2 O 8+δ (Bi2212), have unusually high critical temperatures. Optical reflectivity measurements of Bi2212 have shown that it exhibits ...