1. Ion doping effects in multiferroic MnWO4.
- Author
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Bahoosh, Safa Golrokh and Wesselinowa, J. M.
- Subjects
- *
SEMICONDUCTOR doping , *MAGNETIC ions , *ANISOTROPY , *METAL ions , *ROTATIONAL motion , *MAGNESIUM compounds - Abstract
We have studied the ion doping effects in multiferroic MnWO4 proposing a microscopic model. It is shown that the exchange interaction constants can be changed due to the different ion doping radii. This leads to reduction of the magnetic phase transition temperature TN by doping with non-magnetic ions, such as Zn, Mg, whereas TN is enhanced by doping with transition metal ions, such as Fe, Co. The different behavior of the temperature T1 (where up-up-down-down collinear spin structure appears) by Fe and Co doping could be explained taking into account the single-ion anisotropy. [ABSTRACT FROM AUTHOR]
- Published
- 2012
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