Effect of transition-metal elements on the superconductivity of Y-Ba-Cu-O
Gang Xiao, F. H. Streitz, A. Gavrin, Y. W. Du, C. L. Chien
DOI 10.1103/PhysRevB.35.8782 · Physical Review B
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Abstract
We have fabricated samples of the form YBa2(Cu0.9A0.1)3O6+y where A=Ti, Cr, Mn, Fe, Co, Ni, Cu, and Zn. The superconducting state was investigated by both resistance and magnetization measurements. In addition, the magnetic susceptibility above Tc has been measured. Tc was found to be strongly correlated with the size of the paramagnetic moments, largely due to scattering from the magnetic sites. In the sample containing Zn, however, Tc was dramatically reduced due to filling of the antibonding d band.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| YBa2Cu3O6+y Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 94.5 | Pressure not reported | midpoint |
| YBa2Cu3O6+y Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 94.1 | Pressure not reported | midpoint |
| YBa2(Cu0.9Ti0.1)3O6+y Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 75 | Pressure not reported | midpoint |
| YBa2(Cu0.9Cr0.1)3O6+y Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 84.5 | Pressure not reported | midpoint |
| YBa2(Cu0.9Mn0.1)3O6+y Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 78.9 | Pressure not reported | midpoint |
| YBa2(Cu0.9Fe0.1)3O6+y Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 38 | Pressure not reported | midpoint |
| YBa2(Cu0.9Co0.1)3O6+y Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 21.2 | Pressure not reported | midpoint |
| YBa2(Cu0.9Ni0.1)3O6+y Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 66.3 | Pressure not reported | midpoint |
| YBa2(Cu0.9Zn0.1)3O6+y Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 3 | Pressure not reported | midpoint |
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