Neutron diffraction study of the magnetic structure of the superconducting Ru-1222-type ruthenocuprate RuSr2Y1.5Ce0.5Cu2O10−δ: Evidence for long-range antiferromagnetic order
A. C. Mclaughlin, I. Felner, V. P. S. Awana
DOI 10.1103/PhysRevB.78.094501 · Physical Review B
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Abstract
A neutron diffraction study on the superconducting Ru-1222 ruthenocuprate RuSr2Y1.5Ce0.5Cu2O10−δ (Tc=35 K) prepared by the high-pressure high-temperature technique reveals long-range antiferromagnetic order below 140 K. Neighboring spins are antiparallel on the ab plane but both antiferromagnetic and ferromagnetic alignments along c are observed. The refined low-temperature moment is 1.5(3)μB. The observation of a ferromagnetic moment from magnetic measurements suggests that the Ru spins are canted below 91 K with a zero-field moment of <0.3μB.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| RuSr2Y1.5Ce0.5Cu2O10-δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 35 | Pressure not reported | unknown |
| RuSr2Gd1.3Ce0.7Cu2O10-δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 29 | Pressure not reported | unknown |
| RuSr2Eu1.2Ce0.8Cu2O10-δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 40 | Pressure not reported | unknown |
| RuSr2Gd1.5Ce0.5Cu2O10-δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 40 | Pressure not reported | unknown |
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