Tetragonal YBCO YBaCuO Y1Ba2Cu3 Oxide Sputtering Target Superconductor Superconducting Material Disc Disk 19g 6g/CC Yttrium barium copper oxide (YBCO) is a ceramic compound that exhibits superconductivity at relatively high temperatures. You will receive a disc that is approximately 1" in Diameter and 0.25" thick. The bulk density of this material is approximately 6g/CC, making a net weight of just over 19g for this disk. Condition is new old stock.