Competition between superconductivity and charge-density waves in the pseudoternary system (Lu1−xScx)5Ir4Si10
H. D. Yang, P. Klavins, R. N. Shelton
DOI 10.1103/PhysRevB.43.7681 · Physical Review B
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Abstract
The variation of superconducting transition temperature (Tc) with hydrostatic pressure up to 21 kbar is reported for compounds in the pseudoternary systems (Lu1−xScx)5Ir4Si10 (0.05≤x≤0.95) and (Lu0.9R0.1)5Ir4Si10 (R=Dy, Ho, Er, Tm, Sc, Y, and Th). Measurements of the temperature dependence of the electrical resistivity and ac magnetic susceptibility for (Lu1−xScx)5Ir4Si10 (0.005≤x≤0.02) are made to show the correlation between the decrease of the charge-density-wave formation temperature (T0) and the increase of Tc. (Lu0.98Sc0.02)5Ir4Si10 and Lu5(Ir0.78Rh0.22)4Si10, which have Tc about 2 K higher than Lu5Ir4Si10, are used to study the enhanced superconducting state with upper-critical-magnetic-field measurements. Changes in the electronic density of states at the Fermi level and the electron-phonon interaction play an important role in these pseudoternary compounds.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Lu5Ir4Si10 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 3.72 | Pressure unresolved | unknown |
| Lu5Ir4(Si0.9C0.1)10 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 3.74 | Pressure unresolved | unknown |
| (Lu0.95Sc0.05)5Ir4Si10 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 6.06 | Pressure unresolved | unknown |
| (Lu0.9Sc0.1)5Ir4Si10 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 6.09 | Pressure unresolved | unknown |
| (Lu0.8Sc0.2)5Ir4Si10 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 6.54 | Pressure unresolved | unknown |
| (Lu0.7Sc0.3)5Ir4Si10 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 7.64 | Pressure unresolved | unknown |
| (Lu0.5Sc0.5)5Ir4Si10 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 7.9 | Pressure unresolved | unknown |
| (Lu0.2Sc0.8)5Ir4Si10 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 7.68 | Pressure unresolved | unknown |
| (Lu0.05Sc0.95)5Ir4Si10 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 7.95 | Pressure unresolved | unknown |
| (Lu0.9Y0.1)5Ir4Si10 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 3.9 | Pressure unresolved | unknown |
| (Lu0.9Th0.1)5Ir4Si10 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 4.88 | Pressure unresolved | unknown |
| (Lu0.9Tm0.1)5Ir4Si10 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 2.84 | Pressure unresolved | unknown |
| (Lu0.9Er0.1)5Ir4Si10 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 2.74 | Pressure unresolved | unknown |
| (Lu0.9Ho0.1)5Ir4Si10 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 1.89 | Pressure unresolved | unknown |
| (Lu0.9Dy0.1)5Ir4Si10 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 1 | Pressure unresolved | unknown |
| Lu5(Ir0.86Rh0.14)4Si10 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 5.72 | Pressure unresolved | unknown |
| Lu5(Ir0.78Rh0.22)4Si10 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 5.68 | Pressure unresolved | unknown |
| Lu5(Ir0.95Co0.05)4Si10 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 5.52 | Pressure unresolved | unknown |
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