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Thick Films of Pb(Mg,Nb)TiO by Aerosol Combustion

Published online by Cambridge University Press:  10 February 2011

A. C. Greenwald ,
A. Kussmaul ,
T. F. Morse  and
C. H. Wei
A. C. Greenwald
Affiliation:
Spire Corporation, Bedford, MA 01730–2396
A. Kussmaul
Affiliation:
Spire Corporation, Bedford, MA 01730–2396
T. F. Morse
Affiliation:
Brown Univ. Providence, RI.
C. H. Wei
Affiliation:
Brown Univ. Providence, RI.
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Abstract

Thick films of solid solutions of lead-magnesium-niobium-oxide (PMN) and lead-titanate (PTO) were deposited by aerosol combustion. Films consisted of submicron ceramic particles synthesized by combustion of a metalorganic solution in a methane-oxygen flame. The particulate material was deposited on heated substrates (200°C) and subsequently sintered at elevated temperatures. Results varied with starting chemistry and sintering conditions. As-deposited materials were mixed perovskite-pyrochlore phase. Sintering at low temperatures produced pure perovskite material that was not completely dense. Sintering at high temperatures produced dense ceramics of pyrochlore material. This technique requires further optimization for direct deposition of continuous films, but is immediately suitable for producing fine powders for tape casting of capacitors, etc.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 495: Symposium W – Chemical Aspects of Electronic Ceramics Processing , 1997 , 433
Copyright
Copyright © Materials Research Society 1998

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References

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