Preparation, stability and structure of Nd2Cu2O5

J. M.S. Skakle*, A. R. West

*Corresponding author for this work

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Abstract

Nd2Cu2O5 has been synthesized by solid-state reaction of Nd2O3 and CuO at 1010°C for 4 days. It is thermodynamically stable over a very narrow temperature range, 1002-1012°C. At higher temperatures, it melts incongruently to Nd2CuO4 + liquid. At lower temperatures, it decomposes to give a mixture of Nd2CuO4 and CuO. Nd2Cu2O5 is isostructural with the stable monoclinic polymorph of La2Cu2O5, as confirmed by partial Rietveld refinement of X-ray powder diffraction data, a = 13.728(2) Å, b = 3.6566(2) Å, c = 27.549(3) Å, β = 105.19(1)°, space group C2/c.

Original languageEnglish
Pages (from-to)765-768
Number of pages4
JournalJournal of Materials Chemistry
Volume5
Issue number5
DOIs
Publication statusPublished - 31 Jan 1995

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ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Chemistry

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