Evolution of the Structure of the K2NiF4
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J.E. Millburn; M.A. Green; D.A. Neumann; M.J. Rosseinsky
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Article
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1999
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Elsevier Science
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English
⚖ 398 KB
The structural properties of the La 2؊x Sr x NiO 4؉ solid solution have been investigated by high resolution powder neutron di4raction as a function of Sr dopant concentration. There is a signi5cant change in the evolution of the shape of the NiO 6 octahedron beyond x ؍ 0.6, where previous transpo