https://www.noahchemicals.com/....product/hafnium-iv-o
Hafnium(IV) oxide, also known as hafnia, is a high-purity ceramic material offered in a 99.95% pure form with a fine 325-mesh particle size. This white, powdered substance is valued for its exceptionally high melting point, chemical stability, and large dielectric constant. Its fine granular form makes it a critical precursor material for the production of optical coatings, advanced ceramics, and high-k gate dielectrics in semiconductors.
