NMR Evidence for Common Magnetic Behavior in Double Layered Superconducting Cuprates
Z. P. Han, R. Dupree, A. Gencten, R. S. Liu, P. P. Edwards
DOI 10.1103/PhysRevLett.69.1256 · Physical Review Letters
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Abstract
Y89 NMR measurements on (Pb0.75Cu0.25)Sr2 (Ca0.5Y0.5)Cu2O7 and YBa2(Cu0.9Co0.1)3O7 show that the shifts have a similar value and temperature dependence to that of YBa2Cu3O6.48. All three have a Tc of 45 K. This behavior parallels that found from a comparative NMR study of YBa2Cu4O8 and YBa2Cu3O6.8 both with Tc≈80 K. The common behavior of Y89 shifts in these different double layered superconductors strongly suggests that Tc and the spin susceptibility are intimately related in systems where the changes in Tc result from differences in hole concentration.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| (Pb0.75Cu0.25)Sr2(Ca0.5Y0.5)Cu2O7 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 45 | Pressure not reported | unknown |
| YBa2(Cu0.9Co0.1)3O7 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 45 | Pressure not reported | unknown |
| YBa2Cu3O6.48 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 45 | Pressure not reported | unknown |
| YBa2Cu4O8 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 80 | Pressure not reported | unknown |
| YBa2Cu3O6.8 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 80 | Pressure not reported | unknown |
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