Synthesis of complex oxides CdO-ZnO-SnO2 for electrical contacts

Synthesis of complex oxides CdO-ZnO-SnO2 for electrical contacts 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. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Applied Chemistry Springer Journals

Synthesis of complex oxides CdO-ZnO-SnO2 for electrical contacts

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Publisher
Pleiades Publishing
Copyright
Copyright © 2014 by Pleiades Publishing, Ltd.
Subject
Chemistry; Chemistry/Food Science, general; Industrial Chemistry/Chemical Engineering
ISSN
1070-4272
eISSN
1608-3296
D.O.I.
10.1134/S1070427214030021
Publisher site
See Article on Publisher Site

Abstract

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.

Journal

Russian Journal of Applied ChemistrySpringer Journals

Published: Jun 17, 2014

References

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