Upper critical fields of superconductor-ferromagnet multilayers

Z. Radović; L. Dobrosavljević-Grujić; A. I. Buzdin; John R. Clem

doi:10.1103/PhysRevB.38.2388

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Upper critical fields of superconductor-ferromagnet multilayers

Z. Radović, L. Dobrosavljević-Grujić, A. I. Buzdin, John R. Clem

DOI 10.1103/PhysRevB.38.2388 · Physical Review B

T1

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Abstract

Nucleation of the superconducting phase in superconductor-ferromagnet multilayers is studied theoretically. When the superconducting layers are thin and decoupled by pair breaking in the ferromagnetic layers, the parallel critical field exhibits a nonlinear temperature dependence and nonmonotonic thickness dependence. The perpendicular critical field, corresponding to the nucleation of strongly modulated vortices, is also calculated. The theoretical results are in good agreement with experimental data for V/Fe multilayers.

Source-reported materials — not catalogue approval

Formula	Reported Tc (K)	Pressure (GPa)	Type
Mo Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown