Pressure effect on competition between charge density wave and superconductivity in ZrTe3: Appearance of pressure-induced reentrant superconductivity
R. Yomo, K. Yamaya, M. Abliz, M. Hedo, Y. Uwatoko
DOI 10.1103/PhysRevB.71.132508 · Physical Review B
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Abstract
We report on an intricate competition between charge density wave (CDW) formation and superconductivity under pressure up to 11 GPa in the low-dimensional conductor ZrTe3. As pressure increases, the CDW transition temperature TCDW initially increases, then begins to decrease at 2 GPa and abruptly disappears near 5 GPa. On the other hand, while the superconducting transition temperature TC falls to below 1.2 K at ∼0.5GPa and is not observed at up to 5 GPa above 2.5 K, a superconducting transition emerges beginning at ∼5GPa and TC increases steeply up to 11 GPa. This is an observation of pressure-induced reentrant superconductivity. The results are discussed in terms of the change in the reduced area of the Fermi surface due to CDW formation.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| ZrTe3 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 2 | Pressure unresolved | unknown |
| ZrTe3 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 1.2 | 0.5 GPa | unknown |
| ZrTe3 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 3.5 | 5.5 GPa | onset |
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