Meservey-Tedrow effect in ferromagnet/superconductor/ferromagnet double tunnel junctions
Gerd Bergmann, Jia Lu, Dawei Wang
DOI 10.1103/PhysRevB.71.134521 · Physical Review B
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Abstract
Double tunneling junctions of ferromagnet-superconductor-ferromagnet electrodes (FSF) show a step in the conductance when a parallel magnetic field reverses the magnetization of one of the ferromagnetic electrodes. This change is generally attributed to the spin-valve effect or to pair breaking in the superconductor due to spin accumulation. In this paper it is shown that the Meservey-Tedrow effect causes a similar change in the conductance since the magnetic field changes the energy spectrum of the quasiparticles in the superconductor. A reversal of the bias reverses the sign in the conductance jump.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Al 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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