Scandium oxide,also called Scandia, is suitable for the high index component of UV, AR and bandpass coatings due to its high index value, transparency, and layer hardness make high damage thresholds have been reported for combinations with silicon dioxide or magnesium fluoride for use in AR.
Formula Sc2O3
CAS No. 12060-08-1
Molecular Weight 137.91
Appearance White
Solubility Insoluble in water, moderately soluble in strong mineral acids Stability Slightly hygroscopic
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