Electronic structure of Eu in the high-Tc superconductor Ba2EuCu3O7.1

M. Eibschutz; D. W. Murphy; S. Sunshine; L. G. Van Uitert; S. M. Zahurak; and W. H. Grodkiewicz

doi:10.1103/PhysRevB.35.8714

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Electronic structure of Eu in the high-Tc superconductor Ba2EuCu3O7.1

M. Eibschutz, D. W. Murphy, S. Sunshine, L. G. Van Uitert, S. M. Zahurak, and W. H. Grodkiewicz

DOI 10.1103/PhysRevB.35.8714 · Physical Review B

T1

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Abstract

The Mössbauer effect of the 22-keV γ line of Eu151 has been employed to study the electronic configuration of Eu ions in the high-Tc superconducting material Ba2EuCu3O7.1. The isomer shift is constant as a function of temperature and shows that Eu is present as Eu3+(4f6).

Source-reported materials — not catalogue approval

Formula	Reported Tc (K)	Pressure (GPa)	Type
Ba2EuCu3O7.1 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	94	Pressure not reported	unknown
La1.8Ba0.2CuO4 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	30	Pressure not reported	unknown
La1.8Sr0.2CuO4 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	40	Pressure not reported	unknown
Ba2YCu3O6.9 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	93	Pressure not reported	unknown