Electronic structure of BaPb1-xBixO3

J. O. Sofo; A. A. Aligia; M. D. Núez Regueiro

doi:10.1103/PhysRevB.39.9701

Electronic structure of BaPb1-xBixO3

J. O. Sofo, A. A. Aligia, M. D. Núez Regueiro

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Abstract

The electronic structure of BaPb1-xBixO3 is calculated taking into account the local disproportionation of the Bi atoms within the coherent-potential approximation. Three different regimes are obtained as a function of the Bi concentration x: normal metal, metallic with a pseudogap, and insulating phase. This allows a satisfactory interpretation of the optical properties, resistivity, Hall, and Seebeck measurements. The agreement is improved when the many-body effects due to the covalency of the Bi-O bonding, invoked previously for the superconductivity, are also considered.

Original language	English (US)
Pages (from-to)	9701-9703
Number of pages	3
Journal	Physical Review B
Volume	39
Issue number	13
DOIs	https://doi.org/10.1103/PhysRevB.39.9701
State	Published - 1989

All Science Journal Classification (ASJC) codes

Condensed Matter Physics

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10.1103/PhysRevB.39.9701

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year = "1989",

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pages = "9701--9703",

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AU - Sofo, J. O.

AU - Aligia, A. A.

AU - Núez Regueiro, M. D.

PY - 1989

Y1 - 1989

N2 - The electronic structure of BaPb1-xBixO3 is calculated taking into account the local disproportionation of the Bi atoms within the coherent-potential approximation. Three different regimes are obtained as a function of the Bi concentration x: normal metal, metallic with a pseudogap, and insulating phase. This allows a satisfactory interpretation of the optical properties, resistivity, Hall, and Seebeck measurements. The agreement is improved when the many-body effects due to the covalency of the Bi-O bonding, invoked previously for the superconductivity, are also considered.

AB - The electronic structure of BaPb1-xBixO3 is calculated taking into account the local disproportionation of the Bi atoms within the coherent-potential approximation. Three different regimes are obtained as a function of the Bi concentration x: normal metal, metallic with a pseudogap, and insulating phase. This allows a satisfactory interpretation of the optical properties, resistivity, Hall, and Seebeck measurements. The agreement is improved when the many-body effects due to the covalency of the Bi-O bonding, invoked previously for the superconductivity, are also considered.

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JF - Physical Review B

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Electronic structure of BaPb1-xBixO3

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