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Effect of crystalline phase on the nanoparticle growth in glass-ceramics

Published online by Cambridge University Press:  03 March 2011

T.K. Kundu  and
D. Chakravorty
T.K. Kundu
Affiliation:
Indian Association for the Cultivation of Science, Jadavpur, Calcutta 700 032, India
D. Chakravorty
Affiliation:
Indian Association for the Cultivation of Science, Jadavpur, Calcutta 700 032, India
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Abstract

Nanometer-sized silver particles with diameters in the range 4.3 to 11.5 nm have been grown within a glass-ceramic containing BaTiO3 by just subjecting the former to an alkali/silver ion exchange reaction. A reduction treatment in hydrogen is, however, shown to be necessary for such growth in glass-ceramics having crystalline phases such as BaTiSiO5, Zn2SiO4, and Li4P2O7, respectively. The possible presence of Ti3+ ions in the BaTiO3 phase is believed to cause such a difference in the reduction behavior of these composites.

Type
Rapid Communications
Information
Journal of Materials Research , Volume 9 , Issue 10 , October 1994 , pp. 2480 - 2483
Copyright
Copyright © Materials Research Society 1994

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References

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