Synchrotron-based far-infrared spectroscopy of nickel tungstate

A. Kalinko; A. Kuzmin; P. Roy; R. A. Evarestov

doi:10.1063/1.4959012

Synchrotron-based far-infrared spectroscopy of nickel tungstate

A. Kalinko
, A. Kuzmin^*
, P. Roy
, R. A. Evarestov

^*Corresponding author for this work

EXAFS Spectroscopy Laboratory, Institute of Solid State Physics

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

Monoclinic antiferromagnetic NiWO₄ was studied by far-infrared (30-600 cm⁻¹) absorption spectroscopy in the temperature range of 5-300 K using the synchrotron radiation from SOLEIL source. Two isomorphous CoWO₄ and ZnWO₄ tungstates were investigated for comparison. The phonon contributions in the far-infrared range of tungstates were interpreted using the first-principles spin-polarized linear combination of atomic orbital calculations. No contributions from magnetic excitations were found in NiWO₄ and CoWO₄ below their Neel temperatures down to 5 K.

Original language	English
Pages (from-to)	552-555
Number of pages	4
Journal	Low Temperature Physics
Volume	42
Issue number	7
DOIs	https://doi.org/10.1063/1.4959012
Publication status	Published - Jul 2016

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abstract = "Monoclinic antiferromagnetic NiWO4 was studied by far-infrared (30-600 cm−1) absorption spectroscopy in the temperature range of 5-300 K using the synchrotron radiation from SOLEIL source. Two isomorphous CoWO4 and ZnWO4 tungstates were investigated for comparison. The phonon contributions in the far-infrared range of tungstates were interpreted using the first-principles spin-polarized linear combination of atomic orbital calculations. No contributions from magnetic excitations were found in NiWO4 and CoWO4 below their Neel temperatures down to 5 K.",

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AU - Kalinko, A.

AU - Kuzmin, A.

AU - Roy, P.

AU - Evarestov, R. A.

PY - 2016/7

Y1 - 2016/7

N2 - Monoclinic antiferromagnetic NiWO4 was studied by far-infrared (30-600 cm−1) absorption spectroscopy in the temperature range of 5-300 K using the synchrotron radiation from SOLEIL source. Two isomorphous CoWO4 and ZnWO4 tungstates were investigated for comparison. The phonon contributions in the far-infrared range of tungstates were interpreted using the first-principles spin-polarized linear combination of atomic orbital calculations. No contributions from magnetic excitations were found in NiWO4 and CoWO4 below their Neel temperatures down to 5 K.

AB - Monoclinic antiferromagnetic NiWO4 was studied by far-infrared (30-600 cm−1) absorption spectroscopy in the temperature range of 5-300 K using the synchrotron radiation from SOLEIL source. Two isomorphous CoWO4 and ZnWO4 tungstates were investigated for comparison. The phonon contributions in the far-infrared range of tungstates were interpreted using the first-principles spin-polarized linear combination of atomic orbital calculations. No contributions from magnetic excitations were found in NiWO4 and CoWO4 below their Neel temperatures down to 5 K.

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DO - 10.1063/1.4959012

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EP - 555

JO - Low Temperature Physics

JF - Low Temperature Physics

IS - 7

ER -

Synchrotron-based far-infrared spectroscopy of nickel tungstate

Abstract

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