Determination of the structure of UFe2Al10 compound

L. Meshi, M. Talianker, A. Munitz

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The atomic structure of a new ternary phase UFe2Al10 appearing in the U-Fe-Al system was determined using direct methods applied to X-ray powder diffraction data. High resolution electron microscopy combined with the methods of crystallographic image processing was used for the verification of the structural model. The UFe2Al10 phase is orthorhombic and belongs to Cmcm space group, its unit cell contains 40 Al, eight Fe, and four U atoms. The lattice parameters obtained after Rietveld refinement are: a=8.919Å, b=10.208Å, and c=9.018Å. The reliability factors characterizing the Rietveld refinement procedure are: R p=5.9%, Rwp=8.1%, and Rb=2.9%.

Original languageEnglish
Pages (from-to)206-210
Number of pages5
JournalJournal of Alloys and Compounds
Issue number1-2
StatePublished - 12 May 2004
Externally publishedYes


  • Crystal structure and symmetry
  • Intermetallics
  • Transmission electron microscopy
  • X-ray diffraction


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