Transition temperatures of superconductor-ferromagnet superlattices
Zoran Radović, Marko Ledvij, Ljiljana Dobrosavljević-Grujić, A. I. Buzdin, John R. Clem
DOI 10.1103/PhysRevB.44.759 · Physical Review B
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Abstract
The transition temperature Tc of superconductor-ferromagnet superlattices is calculated by solving exactly the Usadel equations. Characteristic ground-state configurations are predicted with nontrivial phase difference 0<cphi≤π between neighboring superconducting layers. An unusual oscillatory dependence of Tc on the ferromagnetic-layer thickness is obtained. For short-period superlattices it is found that the transition changes from second to first order. A comparison of theoretical results with experimental data for V/Fe superlattices is given.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| V/Fe 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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