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Excitation mechanism of manganese impurity atoms in the electroluminescence of zinc sulfide

โœ Scribed by N. D. Borisenko; M. F. Bulanyi; F. F. Kodzhespirov; B. A. Polezhaev

Publisher
Springer US
Year
1990
Tongue
English
Weight
382 KB
Volume
52
Category
Article
ISSN
0021-9037

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Effect of iron impurity in zinc sulfide
Effect of iron impurity in zinc sulfide concentrates on the rate of dissolution
โœ Frank K. Crundwell ๐Ÿ“‚ Article ๐Ÿ“… 1988 ๐Ÿ› American Institute of Chemical Engineers ๐ŸŒ English โš– 688 KB

The rate of dissolution of sphalerite is shown to be directly proportional to the concentration of substitutional iron impurity in the solid. This is attributed to the formation of a narrow impurity band within the forbidden band gap of the sphalerite. The impurity band is of iron d-orbital origin.