Effects of pressure-induced phase transitions on superconductivity in single-crystal Fe1.02Se
V. G. Tissen, E. G. Ponyatovsky, M. V. Nefedova, A. N. Titov, V. V. Fedorenko
DOI 10.1103/PhysRevB.80.092507 · Physical Review B
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Abstract
The temperature dependence of the ac susceptibility for single-crystalline Fe1.02Se has been measured at high pressures to 6.7 GPa. The superconducting transition temperature Tc displays a large increase from 7 to 30 K in the two-phase region at 0.5–1 GPa. Further increase in pressure results in the decrease in Tc which drops below 4.2 K at 6.7 GPa.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Fe1.02Se Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 7 | Pressure unresolved | onset |
| Fe1.02Se Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 30 | 1.6 GPa | onset |
| Fe1.01Se Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
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