Time differential perturbed angular correlation studies of hafnium hydrides

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

doi:10.1007/BF02395662

Time differential perturbed angular correlation studies of hafnium hydrides

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

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6 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 a_o, c_o 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 language	English
Pages (from-to)	383-397
Number of pages	15
Journal	Hyperfine Interactions
Volume	52
Issue number	4
DOIs	https://doi.org/10.1007/BF02395662
State	Published - 1 Jun 1990
Externally published	Yes

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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10.1007/BF02395662

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@article{af91ba171cf3468f95b45fa49b0fe2db,

title = "Time differential perturbed angular correlation studies of hafnium hydrides",

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.",

author = "Z. Berant and Y. Levitin and Sylvian Kahane and A. Wolf and Mintz, {M. H.}",

year = "1990",

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doi = "10.1007/BF02395662",

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journal = "Hyperfine Interactions",

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TY - JOUR

T1 - Time differential perturbed angular correlation studies of hafnium hydrides

AU - Berant, Z.

AU - Levitin, Y.

AU - Kahane, Sylvian

AU - Wolf, A.

AU - Mintz, M. H.

PY - 1990/6/1

Y1 - 1990/6/1

N2 - 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.

AB - 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.

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U2 - 10.1007/BF02395662

DO - 10.1007/BF02395662

M3 - Article

AN - SCOPUS:0042804396

SN - 0304-3843

VL - 52

SP - 383

EP - 397

JO - Hyperfine Interactions

JF - Hyperfine Interactions

IS - 4

ER -

Time differential perturbed angular correlation studies of hafnium hydrides

Abstract

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