Superconducting Bi-2223 Bar
- 2 mm
- 3 mm
- 20 mm
- Bi1.8Pb0.26Sr2Ca2Cu3O10+x (2223 phase)
Superconducting bar (Bi-2223) with silver layer on both ends for an easy soldering the current and voltage leads. Suitable as a sample for measuring the critical temperature, recommended measuring current up to 60 mA. Crtitical current at 77 K is a few tens of ampers, (approx. 30 A at zero external magnetic field and approx. 10 A under magnetic field of 25 mT). Critical temperature (midpoint): 110 K, Critical temperature (zero resistance): 108 K. Resistivity at room temperature: 1 miliOhm.cm
Optional use: measurement of current – voltage characteristics under external magnetic field.
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