HfZrO2F

HfZrO2F is a fluorine-doped mixed oxide ceramic based on hafnium and zirconium oxides, representing a research-phase material in the family of high-k dielectric oxides. This composition combines the thermal stability and high refractive index of hafnia-zirconia systems with fluorine doping to modify phase structure, defect chemistry, and dielectric properties—making it of particular interest for advanced electronic and optical applications where conventional single-component oxides fall short. The material is notable for potential use in next-generation capacitors, gate dielectrics, and optical coatings where the dopant tailors grain boundary behavior and reduces leakage current compared to undoped alternatives.