Highly oriented HgBa2Ca2Cu3O8+δ on Ni tapes with a buffer layer of Cr/Ag have been successfully prepared with a transition temperature of 130 K and a transport critical–current density of 2.5×104 A/cm2 at 77 K in their self‐field.

Topics
Superconductivity
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© 1996 American Institute of Physics.
1996
American Institute of Physics
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