Neutron diffraction study of ZrM2Dx deuterides (M = Fe, Co)

V. Paul-Boncour, F. Bourée-Vigneron, S. M. Filipek, I. Marchuk, I. Jacob, A. Percheron-Guégan

Research output: Contribution to journalConference articlepeer-review

29 Scopus citations

Abstract

The structure of ZrFe2 and ZrCo2 deuterides prepared under very high deuterium pressure has been studied by neutron diffraction (ND) at 10 K. The patterns of both compounds are refined with a mixture of intermetallic compound and deuteride. For ZrFe2Dx, the cell volume increases with 23% and the 2.7 D/f.u. are located randomly in A2B2 sites. The Fe moments order in a ferromagnetic structure and increase from 1.8 to 2.2 μB/Fe upon D absorption. The ZrCo2 deuteride shows a doubling of the cell parameter due to deuterium order of 2 D/f.u. in 7 over 12 A2B2 sites with a cell volume increase of 12%.

Original languageEnglish
Pages (from-to)69-72
Number of pages4
JournalJournal of Alloys and Compounds
Volume356-357
DOIs
StatePublished - 11 Aug 2003
EventProceedings of the Eight International Symposium on Metal Hyd (MH 2002) - Annecy, France
Duration: 2 Sep 20026 Sep 2002

Keywords

  • Gas-solid reactions
  • Hydrogen storage materials
  • Magnetic measurements
  • Neutron diffraction
  • Neutron scattering

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

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