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Low temperature chemical synthesis of nanocrystalline Pb(Mg1/3Nb2/3)O3 and (1–x)Pb(Mg1/3Nb2/3)O3–xPb(Fe1/2Nb1/2)O3 (x = 0.1, 0.2, and 1) ceramics

Published online by Cambridge University Press:  31 January 2011

R. N. Das ,
J. C. Ray  and
P. Pramanik
R. N. Das*
Affiliation:
Department of Metallurgical Engineering and Materials Science, Indian Institute of Technology, Bombay, Powai, Mumbai-400076, India
J. C. Ray
Affiliation:
Department of Chemistry, Indian Institute of Technology, Kharagpur-721–302, West-Bengal, India
P. Pramanik
Affiliation:
Department of Chemistry, Indian Institute of Technology, Kharagpur-721–302, West-Bengal, India
*
a)Address all correspondence to this address. e-mail: rabin@met.iitb.ernet.in
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Abstract

Nanocrystalline (20 nm) lead magnesium niobate (PMN) powders were prepared via a chemical process. This process involved the addition of aqueous niobium tartrate, lead-ethylenediaminetetraacetic acid, and magnesium-polyvinyl alcohol complex to produce a homogeneous solution. After the complete evaporation of the resulting homogeneous solution, the complexes decomposed and produced a black, fluffy precursor material. The precursor material on calcination up to 850 °C/2 h produced nanocrystalline PMN powders with the corresponding average particle size 20 nm. PMN powders modified with lead iron niobate (PFN) (1 – x)PMN–xPFN (x = 0.1, 0.2, and 1) were also prepared using this route and investigated through x-ray diffraction studies.

Type
Articles
Information
Journal of Materials Research , Volume 15 , Issue 11 , November 2000 , pp. 2273 - 2275
Copyright
Copyright © Materials Research Society 2000

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References

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