Time differential perturbed angular correlation studies of hafnium hydrides

Z. Berant, Y. Levitin, Sylvian Kahane, A. Wolf, M. H. Mintz

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

The dependence of the electric field gradients (EFG) in Hafnium-Hydride systems as a function of the composition H/Hf in the cubic δ and tetragonal ε phases were investigated using the time-dependent perturbed angular correlation (TDPAC) technique, with181Ta as the nuclear probe. Two EFGs were found in the ε phase, indicating the existence of two major symmetries surrounding the Ta probe. The results indicate that the trend of the EFGs, in the ε phase, are due to the changes in the lattice parameters ao, co as hydrogen is added to the Hf-H system. In the δ phase, only one major symmetry was found. Both phases are characterized by broad frequency distributions and large anisotropies.

Original languageEnglish
Pages (from-to)383-397
Number of pages15
JournalHyperfine Interactions
Volume52
Issue number4
DOIs
StatePublished - 1 Jun 1990
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Nuclear and High Energy Physics
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry

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