Superconductivity in BaPb1-xBixO3 and BaxK1-xBiO3

Masafumi Shirai; N. Suzuki; K. Motizuki

doi:10.1088/0953-8984/1/17/014

Superconductivity in BaPb_1-xBi_xO₃ and Ba_xK_1-xBiO₃

Masafumi Shirai, N. Suzuki, K. Motizuki

Research output: Contribution to journal › Article › peer-review

18 Citations (Scopus)

Abstract

The superconducting transition temperatures of BaPb_1-xBi _xO₃ (BPB) and Ba_xK_1-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 language	English
Article number	014
Pages (from-to)	2939-2943
Number of pages	5
Journal	Journal of Physics: Condensed Matter
Volume	1
Issue number	17
DOIs	https://doi.org/10.1088/0953-8984/1/17/014
Publication status	Published - 1989 Dec 1
Externally published	Yes

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics

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10.1088/0953-8984/1/17/014

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N2 - 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.

AB - 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.

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Superconductivity in BaPb_1-xBi_xO₃ and Ba_xK_1-xBiO₃

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