Flux pinning and critical current in layered type-II superconductors in parallel magnetic fields
Vesna Prokić, Dragomir Davidović, Ljiljana Dobrosavljević-Grujić
DOI 10.1103/PhysRevB.51.1270 · Physical Review B
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Abstract
We have shown, within the Ginzburg-Landau theory, that the interaction between vortices and normal-metal layers in high-Tc superconductor–normal-metal superlattices can cause high critical-current densities jc. The interaction is primarily magnetic, except at very low temperatures T, where the core interaction is dominant. For a lattice of vortices commensurate with an array of normal-metal layers in a parallel magnetic field H, strong magnetic pinning is obtained, with a nonmonotonic critical-current dependence on H, and with jc of the order of 107–108 A/cm2.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| NbSe2 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
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