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NMR study of GdFe2Hx hydrides

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Author(s)

V Prochazka, C Kapusta, P C Riedi, J Zukrowski

School/Research organisations

Abstract

NMR study of GdFe2Hx (x = 0, 1.05, 1.7, 2.45, 2.85) hydrides are reported. The values of x chosen at characteristic points of the phase diagram correspond to single phase compounds. Spin echo spectra at zero field and relaxation times T-2 have been measured on powder samples at 4.2 K. The resonances of Gd-155, Gd-157 and H-1 have been identified and the values of the hyperfine fields are obtained. The results are analysed in terms of hydrogen occupation of A2B2 sites and a comparison of hydrogen hyperfine field with dipolar fields at H sites evaluated from lattice sums is made. (c) 2005 Elsevier B.V. All rights reserved.

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Details

Original languageEnglish
Pages (from-to)163-164
Number of pages2
JournalJournal of Alloys and Compounds
Volume404
DOIs
Publication statusPublished - 8 Dec 2005

    Research areas

  • hydride, NMR, hyperfine field, dipolar field

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