Effect of Er 3+ substitution on the quality of Mg–Fe spinel pigments

Inorganic pigments containing erbium cations and based on the spinel structure of MgFe 2O 4 were prepared. This type of spinel compound provides pigments of red to brown colour; an increase in the content of trivalent erbium cations results in pigments of a light brown hue. The pigments displayed go...

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Published inDyes and pigments Vol. 80; no. 1; pp. 22 - 25
Main Authors Dohnalová, Žaneta, Šulcová, Petra, Trojan, Miroslav
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 2009
Subjects
Ferrites
Mixed metal oxide
Optical properties
Spinel pigment
Ferrites
Mixed metal oxide
Spinel pigment
Optical properties
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Summary:Inorganic pigments containing erbium cations and based on the spinel structure of MgFe 2O 4 were prepared. This type of spinel compound provides pigments of red to brown colour; an increase in the content of trivalent erbium cations results in pigments of a light brown hue. The pigments displayed good resistance to sunlight but this was reduced as the content of erbium increased. Pigments prepared using mechanoactivation possessed good resistance to sunlight over a range of erbium cation content.
ISSN:0143-7208
1873-3743
DOI:10.1016/j.dyepig.2008.04.003