The structure of BaK0.03Bi0.97O3 by single-crystal X-ray diffraction

C. Chaillout; J. Chenavas; J. Durr; M. Marezio; L. Schneemeyer

doi:10.1016/0921-4534(91)92151-Z

The structure of BaK_0.03Bi_0.97O₃ by single-crystal X-ray diffraction

C. Chaillout, J. Chenavas, J. Durr, M. Marezio, L. Schneemeyer

Chemistry and Biochemistry

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3 Scopus citations

Abstract

We determined by x-ray diffraction the structure of a slightly K-doped BaBiO₃ single-crystal. The best refinements were obtained by describing the structure in the monoclinic 12/m space group similarly to the structure of the undoped compound. In this description the Bi cations occupy two crystallographically independent sites occupied by disproportionated Bi³⁺ and Bi⁵⁺ cations, respectively. These cations are partially ordered. Surprisingly we found that for this low K concentration, the K atoms are located on one of the two Bi sites and are not, as expected, substituting for the Ba cations.

Original language	English
Pages (from-to)	697-698
Number of pages	2
Journal	Physica C: Superconductivity and its applications
Volume	185-189
Issue number	PART 1
DOIs	https://doi.org/10.1016/0921-4534(91)92151-Z
State	Published - 1 Dec 1991

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title = "The structure of BaK0.03Bi0.97O3 by single-crystal X-ray diffraction",

abstract = "We determined by x-ray diffraction the structure of a slightly K-doped BaBiO3 single-crystal. The best refinements were obtained by describing the structure in the monoclinic 12/m space group similarly to the structure of the undoped compound. In this description the Bi cations occupy two crystallographically independent sites occupied by disproportionated Bi3+ and Bi5+ cations, respectively. These cations are partially ordered. Surprisingly we found that for this low K concentration, the K atoms are located on one of the two Bi sites and are not, as expected, substituting for the Ba cations.",

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T1 - The structure of BaK0.03Bi0.97O3 by single-crystal X-ray diffraction

AU - Chaillout, C.

AU - Chenavas, J.

AU - Durr, J.

AU - Marezio, M.

AU - Schneemeyer, L.

PY - 1991/12/1

Y1 - 1991/12/1

N2 - We determined by x-ray diffraction the structure of a slightly K-doped BaBiO3 single-crystal. The best refinements were obtained by describing the structure in the monoclinic 12/m space group similarly to the structure of the undoped compound. In this description the Bi cations occupy two crystallographically independent sites occupied by disproportionated Bi3+ and Bi5+ cations, respectively. These cations are partially ordered. Surprisingly we found that for this low K concentration, the K atoms are located on one of the two Bi sites and are not, as expected, substituting for the Ba cations.

AB - We determined by x-ray diffraction the structure of a slightly K-doped BaBiO3 single-crystal. The best refinements were obtained by describing the structure in the monoclinic 12/m space group similarly to the structure of the undoped compound. In this description the Bi cations occupy two crystallographically independent sites occupied by disproportionated Bi3+ and Bi5+ cations, respectively. These cations are partially ordered. Surprisingly we found that for this low K concentration, the K atoms are located on one of the two Bi sites and are not, as expected, substituting for the Ba cations.

UR - http://www.scopus.com/inward/record.url?scp=3843104515&partnerID=8YFLogxK

U2 - 10.1016/0921-4534(91)92151-Z

DO - 10.1016/0921-4534(91)92151-Z

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VL - 185-189

SP - 697

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JO - Physica C: Superconductivity and its applications

JF - Physica C: Superconductivity and its applications

IS - PART 1

ER -

The structure of BaK_0.03Bi_0.97O₃ by single-crystal X-ray diffraction

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