Determination of the structure of UFe2Al10 compound

Determination of the structure of UFe2Al10 compound

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 s...

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Veröffentlicht in:Journal of alloys and compounds 2004-05, Vol.370 (1-2), p.206-210
Hauptverfasser: MESHI, L, TALIANKER, M, MUNITZ, A
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MUNITZ, A
description 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 = 8.919A, b = 10.208 A, and c = 9.018 A. The reliability factors characterizing the Rietveld refinement procedure are: Rp = 5.9%, Rwp = 8.1%, and Rb = 2.9%.
doi_str_mv 10.1016/j.jallcom.2003.09.036
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Physics
title Determination of the structure of UFe2Al10 compound
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