Effect of cobalt doping on the local structure and dynamics of multiferroic MnWO4and Mn0.7Co0.3WO4

6533b820fe1ef96bd12790f7

RESEARCH PRODUCT

Effect of cobalt doping on the local structure and dynamics of multiferroic MnWO4and Mn0.7Co0.3WO4

Alexei Kuzmin A. Kalinko Janis Timoshenko Andris Anspoks

subject

History Materials science Absorption spectroscopy Condensed matter physics Metal ions in aqueous solution Doping chemistry.chemical_element 02 engineering and technology 021001 nanoscience & nanotechnology 01 natural sciences Computer Science Applications Education Ion Crystallography Octahedron chemistry Distortion 0103 physical sciences ddc:530 Multiferroics 010306 general physics 0210 nano-technology Cobalt

description

The local atomic structure and dynamics in multiferroic MnWO4 and Mn0.7Co0.3WO4 have been studied by X-ray absorption spectroscopy at the Co(Mn) K-edge and W L3-edge. The analysis of the first coordination shell of metal ions using single-shell Gaussian approximation and regularization-like method allowed us to determine a distortion of Mn(Co)O6 and WO6 octahedra. It was found that the local environment of Co2+ ions in Mn0.7Co0.3WO4 is close to that in CoWO4, whereas the presence of cobalt ions reduces the distortion of MnO6 octahedra in comparison with pure MnWO4.

year	journal	country	edition	language
2013-04-22	Journal of Physics: Conference Series

https://doi.org/10.1088/1742-6596/430/1/012109

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