Transport phase diagram for superconducting thin films of tantalum with homogeneous disorder
Yize Li, Carlos L. Vicente, Jongsoo Yoon
DOI 10.1103/PhysRevB.81.020505 · Physical Review B
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Abstract
We have constructed a phase diagram in temperature–magnetic-field–disorder space for homogeneously disordered superconducting Ta thin films. We identify the phases by measuring nonlinear transport characteristics that are known to be unique in each phase. The resulting phase diagram shows that the superconducting phase is completely surrounded by the intervening metallic phase prohibiting a direct superconductor-insulator transition at any disorder.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Ta Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
| MoGe Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
| NbSi 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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