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

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

doi:10.1038/335421a0

Growth and structural characterization of superconducting Ba _1-x K _x BiO ₃ single crystals

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

Chemistry and Biochemistry

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

117 Scopus citations

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 language	English
Pages (from-to)	421-423
Number of pages	3
Journal	Nature
Volume	335
Issue number	6189
DOIs	https://doi.org/10.1038/335421a0
State	Published - 1 Jan 1988

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Schneemeyer, L. F., Thomas, J. K., Siegrist, T., Batlogg, B., Rupp, L. W., Opila, R. L., Cava, R. J., & 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

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title = "Growth and structural characterization of superconducting Ba 1-x K x BiO 3 single crystals",

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.",

author = "Schneemeyer, {L. F.} and Thomas, {J. K.} and T. Siegrist and B. Batlogg and Rupp, {L. W.} and Opila, {R. L.} and Cava, {R. J.} and Murphy, {D. W.}",

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Schneemeyer, LF, 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, L. F.; Thomas, J. K.; Siegrist, T. et al.
In: Nature, Vol. 335, No. 6189, 01.01.1988, p. 421-423.

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

TY - JOUR

T1 - Growth and structural characterization of superconducting Ba 1-x K x BiO 3 single crystals

AU - Schneemeyer, L. F.

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.

PY - 1988/1/1

Y1 - 1988/1/1

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.

AB - 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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Schneemeyer LF, Thomas JK, Siegrist T, Batlogg B, Rupp LW, Opila RL et al. Growth and structural characterization of superconducting Ba _1-x K _x BiO ₃ single crystals. Nature. 1988 Jan 1;335(6189):421-423. doi: 10.1038/335421a0

Growth and structural characterization of superconducting Ba _1-x K _x BiO ₃ single crystals

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