Neodymium oxyfluoride or neodymium oxide fluoride is an inorganic compound of neodymium, oxygen, and fluorine with the chemical formula .
Synthesis NdOF can be synthesized by pressing a mixture of and at 6 MPa:
Physical properties Neodymium oxyfluoride exhibits three distinct crystal structures, all based on the cubic fluorite arrangement. Among these, two correspond to the stoichiometric compound NdOF: cubic and rhombohedral. The third structure, which is tetragonal, emerges under conditions of fluorine excess relative to NdOF and exists over a range of compositions.
Uses Neodymium oxyfluoride has attracted significant interest in the areas of anionic solid electrolytes, luminescent materials, catalysis, and magnetic materials due to its unique structure, which combines the beneficial properties of rare-earth cations with fluoride (F⁻) and oxide (O²⁻) anions.
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