Electronic structure of BaPb1-xBixO3

Jorge Osvaldo Sofo, A. A. Aligia, M. D. Núez Regueiro

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

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 languageEnglish (US)
Pages (from-to)9701-9703
Number of pages3
JournalPhysical Review B
Volume39
Issue number13
DOIs
StatePublished - Jan 1 1989

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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