Thermodynamic study of the competition between superconductivity and magnetism in ErRh4B4
J. M. DePuydt, E. Dan Dahlberg, D. G. Hinks
DOI 10.1103/PhysRevLett.56.165 · Physical Review Letters
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Abstract
Measurements of the specific heat on two single crystals of ErRh4B4 indicate that the origin of the hysteresis at the reentrant temperature is due to superheating effects. An analysis of the superheating behavior indicates the minimum free-energy difference between the ferromagnetic and coexistence state to be 0.325 and 0.375 J/mole for the two samples.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| ErRh4B4 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 8.6 | Pressure not reported | onset |
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