Magnetism and superconductivity in PrxY1−xBa2Cu3O7
Y. Japha, V. Zevin
DOI 10.1103/PhysRevB.46.9240 · Physical Review B
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Abstract
Using a model of trivalent Pr ions in PrxY1−xBa Cu32O7 with a crystal-electric-field level structure where the three lowest singlest are separated from the others by a large gap of about 500 K, we show that it is possible to account both for the low-temperature staggered magnetization of the antiferromagnetic ordered Pr ions and for the high-temperature magnetic susceptibility. We discuss the suppression of superconductivity by the magnetic moment of Pr3+ and show the importance of the antiferromagnetic exchange interactions for pair breaking by ions with singlet-level structure. Exchange-interaction parameters are evaluated.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| PrxY1-xBa2Cu3O7 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 0 | Pressure not reported | unknown |
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