A comparison of the results of synthesis of complex oxides system (2-x)ZnO-xCdO-SnO2 was carried out from various precursors at the temperature modes characteristic of the traditional method of production of electrical contacts. Samples were synthesized from mechanical blends of powders ZnO, CdO, SnO2, and by a method based on obtaining a mixture of precursors by co-precipitation of thermally unstable compounds. Solid phase synthesis in such mixtures proceeds much more effectively. After heat treatment at 1123 K for 2 hours a yield of a ternary oxide phase, in particular Zn1.4Cd0.6SnO4, is up to 93% using the co-precipitation method, while the mechanical mixture does not allow producing these phases in significant quantities under the same conditions of the synthesis.
Russian Journal of Applied Chemistry – Springer Journals
Published: Jun 17, 2014
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