An article comprises a body having a coating. The coating comprising a eutectic system having a super-lattice of a first fluoride and a second fluoride. The coating includes a glaze on a surface of the coating, the glaze comprising the eutectic system having the super-lattice of the first fluoride a
An article comprises a body having a coating. The coating comprising a eutectic system having a super-lattice of a first fluoride and a second fluoride. The coating includes a glaze on a surface of the coating, the glaze comprising the eutectic system having the super-lattice of the first fluoride and the second fluoride.
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1. A method comprising: mixing a first fluoride having a first melting temperature with a second fluoride having a second melting temperature that is lower than the first melting temperature to form a mixture comprising the first fluoride and the second fluoride, wherein the second fluoride is ZrF4;
1. A method comprising: mixing a first fluoride having a first melting temperature with a second fluoride having a second melting temperature that is lower than the first melting temperature to form a mixture comprising the first fluoride and the second fluoride, wherein the second fluoride is ZrF4;melting the first fluoride and the second fluoride by heating the mixture of the first fluoride and the second fluoride to a first temperature above at least the second melting temperature;cooling the mixture to form a material comprising a eutectic system having a super-lattice of the first fluoride and the second fluoride, wherein the eutectic system has a third melting temperature that is below the first melting temperature and the second melting temperature;grinding the material comprising the eutectic system into a powder;forming an article or a coating using the powder; andheating the article or the coating to a second temperature that is below the first melting temperature, below the second melting temperature and above the third melting temperature to cause at least a portion of the article or the coating to transform into at least one of a glaze or a glass ceramic comprising the eutectic system. 2. The method of claim 1, wherein forming the article using the powder comprises: forming a slurry from the powder; andcasting the slurry into a shape in a mold, wherein the article is heated to transform a surface of the article into the glaze comprising the eutectic system. 3. The method of claim 1, wherein forming the article using the powder comprises: melting the powder into a molten mixture of the first fluoride and the second fluoride; andcasting the molten mixture into a shape in a mold. 4. The method of claim 1, wherein forming the coating using the powder comprises: forming a slurry from the powder; andperforming one of dip coating, spin casting, drop casting, spray coating, or doctor blade coating to apply the slurry to an object, wherein the coating is heated to transform at least the portion of the coating into the glaze comprising the eutectic system. 5. The method of claim 1, wherein: the coating has a first thickness of 1 micron to 200 microns; andthe glaze has a second thickness that is 50% to 100% of the first thickness of the coating. 6. The method of claim 1, wherein the second fluoride is ZrF4 and the first fluoride is selected from a group consisting of CaF2, MgF2, SrF2, AlF3, ErF3, LaF3, NdF3, ScF3, CeF4, HfF4, TiF3, and YF3. 7. The method of claim 1, wherein the second fluoride is ZrF4, the first fluoride is LaF3, the mixture comprises approximately 23-37 mole % ZrF4 and approximately 63-77 mole % LaF3, the first melting temperature is 1490° C., the second melting temperature is 910° C., and the third melting temperature is about 770° C. 8. The method of claim 1, further comprising: mixing a third fluoride having a fourth melting temperature with the first fluoride and the second fluoride to form the mixture;melting the first fluoride, the second fluoride and the third fluoride by heating the mixture to the first temperature; andcooling the mixture to form the material comprising the eutectic system having the super-lattice of the first fluoride, the second fluoride and the third fluoride. 9. A method comprising: mixing a first fluoride having a first melting temperature with a second fluoride having a second melting temperature that is lower than the first melting temperature to form a mixture comprising the first fluoride and the second fluoride;forming a molten mixture of the first fluoride and the second fluoride by heating the mixture of the first fluoride and the second fluoride to a first temperature above at least the second melting temperature;casting the molten mixture of the first fluoride and the second fluoride in a mold; andcooling the molten mixture to form an article comprising a eutectic system having a super-lattice of the first fluoride and the second fluoride, wherein the eutectic system has a third melting temperature that is below the first melting temperature and the second melting temperature,wherein the first fluoride is selected from a group consisting of CaF2, MgF2 SrF2 ErF3, NdF3 , ScF3 , CeF4 , TiF3, HfF4 and YF3. 10. The method of claim 9, wherein the article is a glass ceramic comprising a network of the first fluoride and the second fluoride. 11. The method of claim 9, wherein the second fluoride is selected from a group consisting of CaF2, MgF2, SrF2, AlF3, ErF3, LaF3, NdF3, ScF3, CeF4, TiF3, HfF4, ZrF4, and YF3. 12. The method of claim 9, wherein the second fluoride is ZrF4.
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