Crystal structures and reference X-ray powder diffraction patterns ofSr4−xCaxPb2O8(x=1,2,3)

Author:

Wong-Ng W.,Kaduk J. A.,Greenwood W.

Abstract

The crystal structure of the solid solution alkaline earth plumbate phaseSr4−xCaxPb2O8was investigated using the X-ray Rietveld technique forx=1, 2, and 3. The lattice parametersa,b,c, andVwere found to decrease linearly as the Sr at site 4hwas replaced by Ca. The structure features chains of edge-sharingPbO6octahedra, linked by seven-coordinated (Ca/Sr)–O monocapped trigonal prisms. The structure is similar to that ofPb3O4, which can be reformulated asPb2IIPbIVO4. X-ray diffraction patterns for the solid solution membersSrCa3Pb2O8,Sr2Ca2Pb2O8, andSr3CaPb2O8were prepared for inclusion in the Powder Diffraction File.

Publisher

Cambridge University Press (CUP)

Subject

Condensed Matter Physics,Instrumentation,General Materials Science,Radiation

Cited by 2 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Crystal structure of the monoclinic perovskite Sr3.94Ca1.31Bi2.70O12;Powder Diffraction;2000-12

2. Primary phase field of the Pb-doped 2223 High-T-c superconductor in the (Bi, Pb)-Sr-Ca-Cu-O system;Journal of Research of the National Institute of Standards and Technology;1999-05

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