Thermopower in the strongly overdoped region of single-layer Bi2Sr2CuO6+δ superconductor
Z. Konstantinović, G. Le Bras, A. Forget, D. Colson, F. Jean, G. Collin, M. Ocio, C. Ayache
DOI 10.1103/PhysRevB.66.020503 · Physical Review B
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Abstract
The evolution of the thermoelectric power S(T) with doping p of single-layer Bi2Sr2CuO6+δ ceramics in the strongly overdoped region is studied in detail. Analysis in terms of drag and diffusion contributions indicates a departure of the diffusion from the T-linear metallic behavior. This effect is increased in the strongly overdoped range (p∼0.2–0.28) and should reflect the proximity of some topological change.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Bi2Sr2CuO6+δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 1.5 | Pressure not reported | onset |
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