The superconductor in question here is a mix of yttrium, barium, and copper oxide that goes by the merciful acronym YBCO. The easy way to make YBCO involves multiple rounds of pulverizing yttrium ...

Type II superconductors are more complex materials, typically alloys or compounds, such as niobium-tin (Nb3Sn) and yttrium barium copper oxide (YBCO). They have two critical magnetic fields: a lower ...

Chu et al. also discovered yet another cuprate high-temperature superconductor, yttrium barium copper oxide (YBCO), which transitioned at 93 K. Several things happened at this point. Obviously the ...