Some effects of copper-oxide additions to Co0.6Zn0.4Fe2O4
β Scribed by O. M. Hemeda; M. A. Amer; S. A. Olofa; M. M. Mosaad
- Publisher
- Springer US
- Year
- 1994
- Tongue
- English
- Weight
- 193 KB
- Volume
- 5
- Category
- Article
- ISSN
- 0957-4522
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π SIMILAR VOLUMES
## Abstract The transient behaviour caused by the change of the component concentration for CO oxidation on the perovskiteβtype catalyst La~0.4~Sr~0.6~Co~0.4~Mn~0.6~O~3~ was investigated. Results showed that CO was not adsorbed on the catalyst surface and CO oxidation was carried out between the su
## Abstract MΓΆssbauer measurements in Co~0.5~Zn~0.5~Fe~2~O~4~ with 14.4 keV Ξ³βrays from Fe^57^ are reported. The spectra, in the temperature range from 90 to 455 Β°K, show features characteristic of relaxation effects. The shape of the spectra is related to the dynamical properties of the spins usin