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Routes to Deagglomerated Nanopowder by Chemical Synthesis

Published online by Cambridge University Press:  21 February 2011

Detlef Burgard ,
Christian Kropf ,
Rüdiger Nass  and
Helmut Schmidt
Detlef Burgard
Affiliation:
Institut für Neue Materialien, Im Stadtwald, Geb. 43, D-66 123 Saarbrücken, Germany
Christian Kropf
Affiliation:
Institut für Neue Materialien, Im Stadtwald, Geb. 43, D-66 123 Saarbrücken, Germany
Rüdiger Nass
Affiliation:
Institut für Neue Materialien, Im Stadtwald, Geb. 43, D-66 123 Saarbrücken, Germany
Helmut Schmidt
Affiliation:
Institut für Neue Materialien, Im Stadtwald, Geb. 43, D-66 123 Saarbrücken, Germany
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Abstract

The concept of tailored interfaces has been applied to the synthesis of nano-scaled Y2O3/ZrO2 powders. The microemulsion technique as well as the thermodynamically controlled growth reaction have been utilized for this purpose. Both methods yielded agglomerate free amorphous powders with particles sizes of 8 nm and 15 nm, respectively. Cubic zirconia was obtained by calcination between 300 and 400 °C and crystallite coarsening was not observed. The calcined powders could be redispersed by treating them with tertiary amines in aqueous solutions.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 346: Symposium N – Better Ceramics Through Chemistry VI , 1994 , 101
Copyright
Copyright © Materials Research Society 1998

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References

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