Pressure and linear heat capacity in the superconducting state of thoriated UBe13
R. J. Zieve, R. Duke, J. L. Smith
DOI 10.1103/PhysRevB.69.144503 · Physical Review B
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Abstract
Even well below Tc, the heavy-fermion superconductor (U,Th) Be13 has a large linear term in its specific heat. We show that under uniaxial pressure, the linear heat capacity increases in magnitude by more than a factor of two. The change is reversible and suggests that the linear term is an intrinsic property of the material. In addition, we find no evidence of hysteresis or of latent heat in the low-temperature and low-pressure portion of the phase diagram, showing that all transitions in this region are second order.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| U0.98Th0.02Be13 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 0.55 | 0.003 GPa | onset |
| U0.98Th0.02Be13 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 0.45 | 0.003 GPa | onset |
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