Growth and structural characterization of superconducting Ba 1-x K x BiO 3 single crystals

Lynn Schneemeyer, J. K. Thomas, T. Siegrist, B. Batlogg, L. W. Rupp, R. L. Opila, R. J. Cava, D. W. Murphy

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Abstract

Superconductivity near 30 K was discovered recently in a copper-free phase, Ba 1-x K x BiO 3 (refs 1, 2). This material has structural and electronic properties in common with both the cuprate high-transition-temperature (high-T c ) superconductors and with BaPb 1-x Bi x O 3 , which has a T c of ∼12 K (ref. 4). Here we report the growth and structural characterization of single crystals of Ba 1-x K x BiO 3 . A maximum T c of 30.5 K is found from d.c. susceptibility measurements for crystals of approximate composition Ba 0.6 K 0.4 BiO 3 . The structure for a crystal with x = 0.37 is determined by X-ray diffraction and is found to be a simple cubic perovskite with a = 4.2869 (6) Å. A commensurate lattice distortion occurs for x = 0.04, which is identified as a distortion of the BiO 6 octahedra. Effects of structural distortions and concomitant changes in electronic properties in this non-magnetic system may contain clues to the role of phonons and electronic interactions in the microscopic pairing mechanism of high-T c superconductors.

Original languageEnglish
Pages (from-to)421-423
Number of pages3
JournalNature
Volume335
Issue number6189
DOIs
StatePublished - 1 Jan 1988

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single crystals
electronics
cuprates
crystals
phonons
superconductivity
transition temperature
magnetic permeability
copper
diffraction
x rays
interactions

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Schneemeyer, L., Thomas, J. K., Siegrist, T., Batlogg, B., Rupp, L. W., Opila, R. L., ... Murphy, D. W. (1988). Growth and structural characterization of superconducting Ba 1-x K x BiO 3 single crystals Nature, 335(6189), 421-423. https://doi.org/10.1038/335421a0
Schneemeyer, Lynn ; Thomas, J. K. ; Siegrist, T. ; Batlogg, B. ; Rupp, L. W. ; Opila, R. L. ; Cava, R. J. ; Murphy, D. W. / Growth and structural characterization of superconducting Ba 1-x K x BiO 3 single crystals In: Nature. 1988 ; Vol. 335, No. 6189. pp. 421-423.
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abstract = "Superconductivity near 30 K was discovered recently in a copper-free phase, Ba 1-x K x BiO 3 (refs 1, 2). This material has structural and electronic properties in common with both the cuprate high-transition-temperature (high-T c ) superconductors and with BaPb 1-x Bi x O 3 , which has a T c of ∼12 K (ref. 4). Here we report the growth and structural characterization of single crystals of Ba 1-x K x BiO 3 . A maximum T c of 30.5 K is found from d.c. susceptibility measurements for crystals of approximate composition Ba 0.6 K 0.4 BiO 3 . The structure for a crystal with x = 0.37 is determined by X-ray diffraction and is found to be a simple cubic perovskite with a = 4.2869 (6) {\AA}. A commensurate lattice distortion occurs for x = 0.04, which is identified as a distortion of the BiO 6 octahedra. Effects of structural distortions and concomitant changes in electronic properties in this non-magnetic system may contain clues to the role of phonons and electronic interactions in the microscopic pairing mechanism of high-T c superconductors.",
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Schneemeyer, L, Thomas, JK, Siegrist, T, Batlogg, B, Rupp, LW, Opila, RL, Cava, RJ & Murphy, DW 1988, ' Growth and structural characterization of superconducting Ba 1-x K x BiO 3 single crystals ', Nature, vol. 335, no. 6189, pp. 421-423. https://doi.org/10.1038/335421a0

Growth and structural characterization of superconducting Ba 1-x K x BiO 3 single crystals . / Schneemeyer, Lynn; Thomas, J. K.; Siegrist, T.; Batlogg, B.; Rupp, L. W.; Opila, R. L.; Cava, R. J.; Murphy, D. W.

In: Nature, Vol. 335, No. 6189, 01.01.1988, p. 421-423.

Research output: Contribution to journalArticle

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AU - Schneemeyer, Lynn

AU - Thomas, J. K.

AU - Siegrist, T.

AU - Batlogg, B.

AU - Rupp, L. W.

AU - Opila, R. L.

AU - Cava, R. J.

AU - Murphy, D. W.

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N2 - Superconductivity near 30 K was discovered recently in a copper-free phase, Ba 1-x K x BiO 3 (refs 1, 2). This material has structural and electronic properties in common with both the cuprate high-transition-temperature (high-T c ) superconductors and with BaPb 1-x Bi x O 3 , which has a T c of ∼12 K (ref. 4). Here we report the growth and structural characterization of single crystals of Ba 1-x K x BiO 3 . A maximum T c of 30.5 K is found from d.c. susceptibility measurements for crystals of approximate composition Ba 0.6 K 0.4 BiO 3 . The structure for a crystal with x = 0.37 is determined by X-ray diffraction and is found to be a simple cubic perovskite with a = 4.2869 (6) Å. A commensurate lattice distortion occurs for x = 0.04, which is identified as a distortion of the BiO 6 octahedra. Effects of structural distortions and concomitant changes in electronic properties in this non-magnetic system may contain clues to the role of phonons and electronic interactions in the microscopic pairing mechanism of high-T c superconductors.

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