Evidence from magnetoresistance measurements for an induced triplet superconducting state in La0.7Ca0.3MnO3/YBa2Cu3O7−δ multilayers
T. Hu, H. Xiao, C. Visani, Z. Sefrioui, J. Santamaria, C. C. Almasan
DOI 10.1103/PhysRevB.80.060506 · Physical Review B
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Abstract
Angular magnetoresistance measurements were performed on La0.7Ca0.3MnO3/YBa2Cu3O7−δ/La0.7Ca0.3MnO3 (LCMO/YBCO/LCMO) trilayers below and above the superconducting transition temperature Tc of the YBCO layer. The conductance of the LCMO layer increases by two orders of magnitude below Tc, while its dissipation is due to vortex motion with highly spin-polarized vortex cores. These results are evidence for induced triplet superconductivity into the ferromagnet over a distance of about 4.7 nm.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| YBa2Cu3O7-δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 90 | Pressure unresolved | zero_resistance |
| YBa2Cu3O7-δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 28 | Pressure unresolved | zero_resistance |
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