Promising critical current density in the Chevrel phase superconducting wires - Archive ouverte HAL
Article Dans Une Revue Physica C: Superconductivity and its Applications Année : 1996

Promising critical current density in the Chevrel phase superconducting wires

Résumé

Chevrel phase wires with high quality powder were made under very careful conditions. Small coils of about 1 m wire length, treated under hot isostatic pressing conditions, were measured in a magnetic field up to 15 T. We have obtained a critical current density of 5.0 x 10⁸ A/m² at 15 T and 4.2 K. This represents an improvement of 35% with respect to the best reported results to date. We show that these Jc values are still extrinsically limited by a few defects responsible for the thermal quench of the coils. When it was possible to localise the defects, holes in the anit-diffusion barrier were observed.

Dates et versions

hal-03934991 , version 1 (11-01-2023)

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Citer

N. Cheggour, A. Gupta, M. Decroux, R. Flükiger, Ø. Fischer, et al.. Promising critical current density in the Chevrel phase superconducting wires. Physica C: Superconductivity and its Applications, 1996, 258 (1-2), pp.21-29. ⟨10.1016/0921-4534(95)00703-2⟩. ⟨hal-03934991⟩
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