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Rare-earth Barium Copper Oxide, ReBCO

Compounds that have superconducting properties even in high magnetic fields and temperatures up to 77 Kelvin. They are a high-temperature superconductor and a promising material for the production of magnetic coils for accelerators, tokamaks and stellarators. Any rare-earth element can be used in ReBCO. Yttrium (YBCO) is the best known, while lanthanum (LBCO), samarium (123Sm), neodymium (123Nd and 422Nd), gadolinium (123Gd) and europium (123Eu) are also used. The starting materials are brittle, but since 2010, it has been possible to manufacture ReBCO superconductors in bendable tapes.