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The new high-pressure hexagonal Laves phase of the YbZn2 compound

Salamatin, D. A. ; Klementiev, K. V. LU ; Krasnorussky, V. N. ; Magnitskaya, M. V. ; Chtchelkachev, N. M. ; Sidorov, V. A. ; Semeno, A. V. ; Bokov, A. V. ; Kozin, M. G. and Nikolaev, A. V. , et al. (2023) In Journal of Alloys and Compounds 946.
Abstract

The new metastable high-pressure high-temperature synthesized hexagonal Laves phase compound YbZn2 was investigated. The unit cell parameters, low-temperature Sommerfeld coefficient and Debye temperature were determined. X-ray absorption studies and calculations based on dynamical mean-field theory (DMFT) showed the intermediate valence behavior of YbZn2 with mean Yb valence about 2.55. The values of hyperfine electric parameters in Zn (6h) sites were determined by means of 111Cd-time differential perturbed angular correlations and theoretical density functional calculations. DMFT calculations showed that the main contribution to the electron density of states at the Fermi level is due to Yb 4f... (More)

The new metastable high-pressure high-temperature synthesized hexagonal Laves phase compound YbZn2 was investigated. The unit cell parameters, low-temperature Sommerfeld coefficient and Debye temperature were determined. X-ray absorption studies and calculations based on dynamical mean-field theory (DMFT) showed the intermediate valence behavior of YbZn2 with mean Yb valence about 2.55. The values of hyperfine electric parameters in Zn (6h) sites were determined by means of 111Cd-time differential perturbed angular correlations and theoretical density functional calculations. DMFT calculations showed that the main contribution to the electron density of states at the Fermi level is due to Yb 4f electrons, while Zn spd electrons lie much lower in energy.

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organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
C14, DMFT, High pressure, Laves, MgZn-type, TDPAC, YbZn
in
Journal of Alloys and Compounds
volume
946
article number
169275
publisher
Elsevier
external identifiers
  • scopus:85149254456
ISSN
0925-8388
DOI
10.1016/j.jallcom.2023.169275
language
English
LU publication?
yes
id
b6d59bc4-8adf-4334-8950-3b793ecdf9d7
date added to LUP
2023-03-13 13:31:13
date last changed
2023-09-11 12:03:19
@article{b6d59bc4-8adf-4334-8950-3b793ecdf9d7,
  abstract     = {{<p>The new metastable high-pressure high-temperature synthesized hexagonal Laves phase compound YbZn<sub>2</sub> was investigated. The unit cell parameters, low-temperature Sommerfeld coefficient and Debye temperature were determined. X-ray absorption studies and calculations based on dynamical mean-field theory (DMFT) showed the intermediate valence behavior of YbZn<sub>2</sub> with mean Yb valence about 2.55. The values of hyperfine electric parameters in Zn (6h) sites were determined by means of <sup>111</sup>Cd-time differential perturbed angular correlations and theoretical density functional calculations. DMFT calculations showed that the main contribution to the electron density of states at the Fermi level is due to Yb 4f electrons, while Zn spd electrons lie much lower in energy.</p>}},
  author       = {{Salamatin, D. A. and Klementiev, K. V. and Krasnorussky, V. N. and Magnitskaya, M. V. and Chtchelkachev, N. M. and Sidorov, V. A. and Semeno, A. V. and Bokov, A. V. and Kozin, M. G. and Nikolaev, A. V. and Salamatin, A. V. and Velichkov, A. and Mikhin, M. V. and Budzynski, M. and Tsvyashchenko, A. V.}},
  issn         = {{0925-8388}},
  keywords     = {{C14; DMFT; High pressure; Laves; MgZn-type; TDPAC; YbZn}},
  language     = {{eng}},
  month        = {{06}},
  publisher    = {{Elsevier}},
  series       = {{Journal of Alloys and Compounds}},
  title        = {{The new high-pressure hexagonal Laves phase of the YbZn<sub>2</sub> compound}},
  url          = {{http://dx.doi.org/10.1016/j.jallcom.2023.169275}},
  doi          = {{10.1016/j.jallcom.2023.169275}},
  volume       = {{946}},
  year         = {{2023}},
}