Superconductivity in BaPb1-xBixO3 and BaxK1-xBiO3

Masafumi Shirai, N. Suzuki, K. Motizuki

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)


The superconducting transition temperatures of BaPb1-xBi xO3 (BPB) and BaxK1-xBiO3 (BKB) are evaluated on the basis of the strong-coupling theory. The electron-lattice interaction is calculated microscopically by using the realistic electronic band structure. It is shown that the superconducting properties of BKB, such as high transition temperatures ( approximately=30 K) and rather small isotope effects, can be understood within the phonon mechanism.

Original languageEnglish
Article number014
Pages (from-to)2939-2943
Number of pages5
JournalJournal of Physics: Condensed Matter
Issue number17
Publication statusPublished - 1989 Dec 1
Externally publishedYes

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics


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