Coexistent superconductivity and magnetism in Th-doped CeCu2Si2
C. S. Jee, B. Andraka, J. S. Kim, Huali Li, M. W. Meisel, G. R. Stewart
DOI 10.1103/PhysRevB.42.8630 · Physical Review B
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Abstract
Antiferromagnetic order is found in Ce1−xThxCu2Si2 for 0.1≤x≤0.5, which becomes ferromagnetic in nature for x=0.9. Previous work, which found that superconductivity remains present in Th-doped CeCu2Si2 up to at least x=0.12, and perhaps as far as x=0.2, is expanded upon to find that superconductivity remains up to at least x=0.25, with Tconset=0.25 K. We report the coexistence of a significant bulk ordered moment (∼1/4 of that of a fully ordered spin-1/2 system) coexisting with superconductivity in a heavy-fermion system.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Ce1-xThxCu2Si2 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 0.25 | Pressure not reported | onset |
| Ce0.85Th0.15Cu2.2Si2 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 0.37 | Pressure not reported | onset |
| Ce0.85Th0.15Cu2.2Si2 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 0.18 | Pressure not reported | midpoint |
| Ce0.75Th0.25Cu2.2Si2 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 0.27 | Pressure not reported | onset |
| Ce0.75Th0.25Cu2.2Si2 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 0.13 | Pressure not reported | midpoint |
| CeCu2Si2 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
| UBe13 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
| UPt3 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
| Ce0.97La0.03Cu2.2Si2 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 0.4 | Pressure not reported | unknown |
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