Observation of superconductivity in PrBa2Cu3O7

H. A. Blackstead; John D. Dow; D. B. Chrisey; J. S. Horwitz; M. A. Black; P. J. McGinn; A. E. Klunzinger; D. B. Pulling

doi:10.1103/PhysRevB.54.6122

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Observation of superconductivity in PrBa2Cu3O7

H. A. Blackstead, John D. Dow, D. B. Chrisey, J. S. Horwitz, M. A. Black, P. J. McGinn, A. E. Klunzinger, D. B. Pulling

DOI 10.1103/PhysRevB.54.6122 · Physical Review B

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Abstract

Inhomogeneous superconductivity in PrBa2Cu3O7 at ≈92 K is observed in surface resistance measurements (at microwave frequencies) and in diamagnetism (Meissner effect) detected by ESR of trace amounts of Cu impurity spins. These observations are interpreted in terms of the oxygen model.

Source-reported materials — not catalogue approval

Formula	Reported Tc (K)	Pressure (GPa)	Type
PrBa2Cu3O7 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	92	Pressure not reported	onset
PrBa2Cu3O7 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	92	Pressure not reported	onset
Pr0.5Ca0.5Ba2Cu3O7 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	43	Pressure not reported	unknown