The subject of the invention is an essentially ceramic target for a sputtering device, especially for magnetically enhanced sputtering, said target comprising predominantly nickel oxide, the nickel oxide NiOx being oxygen-deficient with respect to the stoichiometric composition.
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1. A process for manufacturing an electrochemical device comprising a glass substrate comprising, from the substrate, a layer of a transparent conductive oxide and an electrochemically active layer capable of reversibly and simultaneously inserting ions of the H+, Li+, or OH−, type, and electrons, w
1. A process for manufacturing an electrochemical device comprising a glass substrate comprising, from the substrate, a layer of a transparent conductive oxide and an electrochemically active layer capable of reversibly and simultaneously inserting ions of the H+, Li+, or OH−, type, and electrons, wherein the electrochemically active layer comprises predominantly nickel oxide, the process comprising: (I) spray-coating nickel oxide powder or co-spray-coating nickel oxide powder and nickel powder onto a metal substrate, to obtain a ceramic, spray-coated target comprising predominately nickel oxide NiOx, wherein the nickel oxide NiOx of the target is oxygen-deficient with respect to the stoichiometric composition NiO such that x is less than 1, and wherein the target has an electrical resistivity of less than 10 ohm.cm; and then(II) magnetically enhanced sputtering the target comprising predominantly nickel oxide NiOx onto a glass substrate comprising a layer of a transparent conductive oxide, to obtain the glass substrate comprising, from the substrate, the layer of the transparent conductive oxide and the electrochemically active layer comprising predominantly nickel oxide. 2. The process as claimed in claim 1, wherein the target has an electrical resistivity of less than 1 ohm.cm. 3. The process as claimed in claim 1, wherein the target has an electrical resistivity of less than 0.1 ohm.cm. 4. The process as claimed in claim 1, comprising spray-coating the nickel oxide powder onto the metal substrate. 5. The process as claimed in claim 1, comprising co-spray-coating the nickel oxide powder and the nickel powder onto the metal substrate. 6. The process as claimed in claim 1, wherein the electrochemically active layer comprising predominantly nickel oxide is oxygen deficient with respect to the stoichiometric composition NiO. 7. The process as claimed in claim 1, wherein the electrochemical device further comprises, between the glass substrate and the transparent conductive oxide, an underlayer of silicon oxide, silicon oxycarbide, nitride silicon oxide, silicon nitride, or yttrium oxide. 8. The process as claimed in claim 7, wherein the transparent conductive oxide is tin-doped indium oxide. 9. The process as claimed in claim 7, wherein the transparent conductive oxide is fluorine-coped tin oxide. 10. The process of as claimed in claim 1, wherein the magnetically enhanced sputtering is carried out with a mixture comprising argon and from 1-4% oxygen by volume. 11. The process as claimed in claim 1, wherein the nickel oxide of the target is alloyed to a minority element. 12. The process as claimed in claim 11, wherein the atomic percentage of the minority element is less than 50%, calculated with respect to the amount of nickel present. 13. The process as claimed in claim 11, wherein the minority element is a material whose oxide is an electroactive material with anodic coloration. 14. The process as claimed in claim 13, wherein the minority element is selected from the group consisting of Co, Ir, Ru, Rh, and mixtures thereof. 15. The process as claimed in claim 11, wherein the minority element is a material whose oxide is an electroactive material with cathodic coloration. 16. The process as claimed in claim 15, wherein the minority element is selected from the group consisting of Mo, W, Re, Sn, In, Bi, and a mixture of these elements. 17. The process as claimed in claim 11, wherein the minority element is selected from the elements belonging to the column one of the Periodic Table. 18. The process as claimed in claim 17, wherein the minority element is selected from the group consisting of H, Li, K, and Na. 19. The process as claimed in claim 11, wherein the minority element is a metal or an alkaline earth or a semiconductor, the hydrated or hydroxylated oxide of which is protonically conductive. 20. The process as claimed in claim 19, wherein the minority element is selected from the group consisting of Ta, Zn, Zr, Al, Si, Sb, U, Be, Mg, Ca, V, Y and a mixture of these elements. 21. The process as claimed in claim 11, wherein the atomic percentage of the minority element is less than 30%, calculated with respect to the amount of nickel present. 22. The process as claimed in claim 11, wherein the atomic percentage of the minority element is less than 20%, calculated with respect to the amount of nickel present.
Kida Otojiro,JPX ; Mitsui Akira,JPX ; Suzuki Eri,JPX ; Osaki Hisashi,JPX ; Hayashi Atsushi,JPX, Target and process for its production, and method for forming a film having a highly refractive index.
Campet Guy (Canejan FRX) Chabagno Jean-Michel (Pau FRX) Delmas Claude (Talence FRX) Portier Joseph (Gradignan FRX) Salardenne Jean (Pessac FRX), Target component for cathode sputtering.
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