Rn. Das et al., Low temperature chemical synthesis of nanocrystalline Pb(Mg1/3Nb2/3)O-3 and (1-x)Pb(Mg1/3Nb2/3)O-3-xPb(Fe1/2Nb1/2)O-3 (x=0.1, 0.2, and 1) ceramics, J MATER RES, 15(11), 2000, pp. 2273-2275
Nanocrystalline (20 nm) lead magnesium niobate (PMN) powders were prepared
via a chemical process. This process involved the addition of aqueous niobi
um tartrate, lead-ethylenediaminetetraacetic acid, and magnesium-polyvinyl
alcohol complex to produce a homogeneous solution. After the complete evapo
ration of the resulting homogeneous solution, the complexes decomposed and
produced a black, fluffy precursor material. The precursor material on calc
ination up to 850 degreesC/2 h produced nanocrystalline PMN powders with th
e 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 prepare
d using this route and investigated through x-ray diffraction studies.