The Preparation and Some Properties of the Lanthanide Oxidecarbides, Ln4O3C

A. Duane Butherus, Harry A. Eick

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18 Scopus citations


A series of lanthanide oxidecarbides (Ln = La, Nd, Gd, Ho, Er) of fcc symmetry has been prepared by reducing the sesquioxide with appropriate mixtures of graphite and the corresponding lanthanide metal. The neodymium analog, which was studied extensively, was found to have the approximate stoichiometry Nd4O3C. The X-ray powder diffraction pattern of this phase is indexable on cubic symmetry and has a lattice parameter, a0 = 5.1407 ± 0.0001 Å. The X-ray intensities are consistent with a NaCl-type lattice. Vapor-phase chromatographic analysis of the hydrolysis products suggests the presence of C4- ions in the structure. Data presented indicate that this is a carbon-stabilized monoxide phase which is common to the lanthanide series.

Original languageEnglish (US)
Pages (from-to)1715-1718
Number of pages4
JournalJournal of the American Chemical Society
Issue number7
StatePublished - Mar 1 1968
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Catalysis
  • General Chemistry
  • Biochemistry
  • Colloid and Surface Chemistry


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