Heat capacity evidence for conventional superconductivity in the type-II Dirac semimetal PdTe2
Amit, Yogesh Singh
DOI 10.1103/PhysRevB.97.054515 · Physical Review B
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Abstract
We use electrical transport, magnetoresistance, and heat capacity measurements on high quality single crystals of the recently discovered superconducting type-II Dirac semimetal PdTe2, to probe the nature of its superconducting phase. The magnitude of the electronic heat-capacity anomaly at Tc, the low temperature exponential T dependence of the heat capacity, the linear H dependence of the T=0 electronic Sommerfeld coefficient, and a conventional H−T phase diagram establish that the superconductivity in PdTe2 is conventional in nature despite the presence of a topologically nontrivial Fermi surface band, which contributes to the electrical conduction.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| PdTe2 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 1.75 | Pressure not reported | zero_resistance |
| PdTe2 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 1.72 | Pressure not reported | onset |
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