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MSC Seminars
Bi-2212: A viable round wire superconductor for high magnetic field applications
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Europe/Zurich
30/7-010 (CERN)
Description
Bi-2212 is one of the possible materials to build the high-field magnets needed for the next generation of accelerators. The first Bi-2212 wires were made in 1989, but it wasn’t until 25 years later that overpressure processing was used to increase its critical current density (Jc) to values that make it a viable material for high-field applications.
Bi-2212 has the advantage that it is the only high-temperature superconductor that can be made as a round wire. In addition to its high Jc, as a round wire, Bi-2212 can be twisted and made into a Rutherford cable, it has anisotropic electromagnetic properties, and its multifilamentary architecture can be adjusted to tailor Ic for specific applications.
This talk will cover the developments that made Bi-2212 a viable high-field superconductor and ongoing work.