Publication Date:
2016-07-30
Description:
Monoclinic antiferromagnetic NiWO 4 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 CoWO 4 and ZnWO 4 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 NiWO 4 and CoWO 4 below their Neel temperatures down to 5 K.
Print ISSN:
1063-777X
Electronic ISSN:
1090-6517
Topics:
Physics
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