Coexistence of magnetism and superconductivity in R1.4 Ce0.6 RuSr2 Cu2 O10−δs(R=Eu and Gd)
I. Felner, U. Asaf, Y. Levi, O. Millo
DOI 10.1103/PhysRevB.55.R3374 · Physical Review B
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Abstract
The superconducting R1.4 Ce0.6 RuSr2 Cu2 O10−δ materials are also magnetically ordered at TN≫:Tc (Tc∼42, 32 and TN∼180, 122 K for R=Gd and Eu, respectively). Magnetic susceptibility and Mössbauer spectroscopy show that superconductivity is confined to the CuO2 planes, whereas magnetism is due to the Ru sublattice. Scanning-tunneling-spectroscopy measurements reveal a superconducting gap structure for the whole sample, indicating that the materials are of single phase, which simultaneously manifest both superconductivity and magnetism.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Gd1.4Ce0.6RuSr2Cu2O10-δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 42 | Pressure unresolved | onset |
| Gd1.4Ce0.6RuSr2Cu2O10-δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 42 | Pressure unresolved | unknown |
| Eu1.4Ce0.6RuSr2Cu2O10-δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 32 | Pressure unresolved | unknown |
| Eu1.4Ce0.6RuSr2Cu2O10-δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 32 | Pressure unresolved | unknown |
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