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A solar receiver device includes a metal conduit and a glass container disposed around the metal conduit such that there is a space between the glass container and the conduit. A coating is disposed on the metal conduit and has a composition that includes at least one element from silicon, titanium,

A solar receiver device includes a metal conduit and a glass container disposed around the metal conduit such that there is a space between the glass container and the conduit. A coating is disposed on the metal conduit and has a composition that includes at least one element from silicon, titanium, aluminum, barium, and samarium.

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1. A solar receiver device comprising: a metal conduit;a glass container disposed around the metal conduit such that there is a space between the glass container and the metal conduit; anda coating disposed on the metal conduit, the coating having a composition that includes oxides of silicon, titan

1. A solar receiver device comprising: a metal conduit;a glass container disposed around the metal conduit such that there is a space between the glass container and the metal conduit; anda coating disposed on the metal conduit, the coating having a composition that includes oxides of silicon, titanium, aluminum, and barium, wherein the coating is a monolayer. 2. The solar receiver device as recited in claim 1, wherein the composition includes an oxide of samarium. 3. The solar receiver device as recited in claim 1, further comprising an oxide bond layer between the metal conduit and the coating. 4. The solar receiver device as recited in claim 3, wherein the oxide bond layer is a chromate. 5. The solar receiver device as recited in claim 3, wherein the oxide bond layer is alumina. 6. A solar receiver device comprising: a metal conduit;a glass container disposed around the metal conduit such that is a space between the glass container and the metal conduit; anda coating disposed on the metal conduit, the coating having a composition including 24-68 wt. % oxide of silicon, 1-40 wt. % oxide of titanium, up to 20 wt. % oxide of aluminum, and 16-52 wt. % oxide of barium. 7. The solar receiver device as recited in claim 6, including 34-58 wt. % oxide of silicon, 6-25.5 wt. % oxide of titanium, 5-10 wt. % oxide of alumina, and 26-42 wt. % oxide of barium. 8. The solar receiver device as recited in claim 7, including 44-48 wt. % oxide of silicon, 11-14.5 wt. % oxide of titanium, 7-8 wt. % oxide of aluminum, 31-37 wt. % oxide of barium. 9. The solar receiver device as recited in claim 6, further comprising 1-5 wt. % kaolinite clay, 0.1-5 wt. % oxide of chromium, and up to 5 wt. % bentonite clay. 10. The solar receiver device as recited in claim 9, including about 3 wt. % kaolinite clay, about 1 wt. % oxide of chromium, and about 0.3 wt. % bentonite clay. 11. The solar receiver device as recited in claim 9, further comprising 1-10 wt. % oxide of samarium. 12. The solar receiver as recited in claim 11, including 2-6 wt. % oxide of samarium. 13. A solar power system comprising: at least one solar receiver for carrying a working fluid;at least one solar reflector for directing solar energy towards the at least one solar receiver to heat the working fluid; anda power generator for receiving the heated working fluid and generating electricity, and wherein the at least one solar receiver includes a metal conduit, a glass container disposed around the metal conduit such that there is a space between the glass container and the conduit, and a coating disposed on the metal conduit, the coating having a composition including 24-68 wt. % oxide of silicon, 1-40 wt. % oxide of titanium, up to 20 wt. % oxide of aluminum, and 16-52 wt. % oxide of barium. 14. A method of processing a solar receiver device, comprising: forming a coating on a metal conduit that is to be disposed within a glass container around the metal conduit such that there is a space between the glass container and the conduit, the coating being formed with a composition that includes 24-68 wt. % oxide of silicon, 1-40 wt. % oxide of titanium, up to 20 wt. % oxide of aluminum, and 16-52 wt. % oxide of barium. 15. The method as recited in claim 14, wherein the forming of the coating includes casting the coating using a slurry. 16. The method as recited in claim 14, further including chromizing or aluminizing the metal conduit prior to forming the coating to form an oxide bond coat on the metal conduit. 17. A solar receiver device comprising: a metal conduit;a glass container around the metal conduit such that there is a space between the glass container and the metal conduit; anda coating disposed on an inner surface of the metal conduit, the coating having a composition that includes oxides of silicon, titanium, aluminum, and barium. 18. A solar receiver device comprising: a metal conduit;a glass container disposed around the metal conduit such that there is a space between the glass container and the metal conduit; anda coating disposed on the metal conduit, the coating having a composition that includes oxides of silicon, titanium, aluminum, and 16-52 wt. % oxide of barium.