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Hafnium(IV) oxide is the inorganic compound with the formula HfO2. Also known as hafnia, this colourless solid is one of the most common and stable compounds of hafnium.
HO 100 (OTTO) Hafnium oxide nanopowder, APS 100-200 nm, 99.99% used in optical coatings, and as a high-κ dielectric in DRAM capacitors and in advanced metaloxide-semiconductor devices.