Tuning the Pressure-Induced Superconducting Phase in Doped CeRhIn5
L. Mendonça Ferreira, T. Park, V. Sidorov, M. Nicklas, E. M. Bittar, R. Lora-Serrano, E. N. Hering, S. M. Ramos, M. B. Fontes, E. Baggio-Saitovich, Hanoh Lee, J. L. Sarrao, J. D. Thompson, P. G. Pagliuso
DOI 10.1103/PhysRevLett.101.017005 · Physical Review Letters
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Abstract
Pressure- and temperature-dependent heat capacity and electrical resistivity experiments on Sn- and La-doped CeRhIn5 are reported for two samples with specific concentrations, Ce0.90La0.10RhIn5 and CeRhIn4.84Sn0.16, which present the same TN=2.8 K. The obtained P−T phase diagrams for doped CeRhIn5 compared to that for the pure compound show that Sn doping shifts the diagram to lower pressures while La doping does exactly the opposite, indicating that the important energy scale to define the pressure range for superconductivity in CeRhIn5 is the strength of the on-site Kondo coupling.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Ce0.90La0.10RhIn5 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 1.6 | Pressure not reported | unknown |
| CeRhIn4.84Sn0.16 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 1.2 | Pressure not reported | unknown |
| CeRhIn5 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 2.3 | Pressure not reported | unknown |
| CeCoIn5 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 2.3 | Pressure unresolved | unknown |
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