The configuration of the hydrogen atoms in HfV2Hx compounds at low temperatures: A NMR study

D. T. Ding*, J. I. de Lange, T. O. Klaassen, N. J. Poulis, D. Davidov, J. Shinar

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

The 51V nuclear electric quadrupole interaction and the shape of the proton resonance line in the low temperature phase of the HfV2Hx (0≤x≤4) compounds has been studied by NMR. The data yield information about the hydrogen arrangement in the low temperature phase. They confirm the results of recent neutron diffraction studies that for x=4 and ordered super lattice of the hydrogen atoms exists, with the hydrogen atoms occupying only tetrahedral interstitial sites formed by two Hf and two V atoms. Our results show that in the lower concentration compound the hydrogen atoms most probably also occupy the same type of interstices, but without crystallographic order.

Original languageEnglish
Pages (from-to)137-141
Number of pages5
JournalSolid State Communications
Volume42
Issue number2
DOIs
StatePublished - Apr 1982

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