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Article Dans Une Revue Superconductor Science and Technology Année : 1991

Critical current anisotropy of BiSrCaCuO thin films under magnetic fields

Résumé

We report on the strong angular dependence under magnetic field of the critical currents of c-axis oriented Bi2 Sr2CaCu2 0 8 thin films, measured as a function of the angle 9 between the c-axis and the applied magnetic field (H :5:20 T). The curves J c (9) at a given field H present a peaked maximum occurring when H is parallel to the Cu02 planes (9=90°). At 9~90°. J c appears to depend only on the perpendicular field component H~ (along the c axis). In particular at 4.2 K and for H~ >0.02 T, it is shown that Jc(H. 9) behaves as IHcosOrUwith 0.44 :5: u:5: 0.50.

Dates et versions

hal-04174009 , version 1 (31-07-2023)

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H Raffy, S Labdi, O Laborde, P Monceau. Critical current anisotropy of BiSrCaCuO thin films under magnetic fields. Superconductor Science and Technology, 1991, 4 (1S), pp.S100-S102. ⟨10.1088/0953-2048/4/1s/019⟩. ⟨hal-04174009⟩
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