Please use this identifier to cite or link to this item: https://doi.org/10.1016/S0167-2738(00)00689-5
Title: Seeding effect in the formation of Pb(Fe2/3W1/3)O3 via mechanical activation of mixed oxides
Authors: Khim, A.S.
Wang, J. 
Junmin, X. 
Issue Date: 1-Jul-2000
Citation: Khim, A.S., Wang, J., Junmin, X. (2000-07-01). Seeding effect in the formation of Pb(Fe2/3W1/3)O3 via mechanical activation of mixed oxides. Solid State Ionics 132 (1) : 55-61. ScholarBank@NUS Repository. https://doi.org/10.1016/S0167-2738(00)00689-5
Abstract: Twenty hours of mechanical activation of PbO, Fe2O3 and WO3 at room temperature led to the occurrence of PbWO4 and PbFe2WO6.5, which are the common transitional phases that are formed during the conventional solid state reaction at elevated temperatures. In addition, the perovskite Pb(Fe2/3Wl/3)O3 (PFW) phase cannot be synthesized when PbO is mechanically activated with pre-reacted Fe2WO6. In contrast, adding 0.4 mole of preformed PFW seeding to the constituent oxides resulted in the suppression of transitional PbWO4 and PbFe2WO6.5 phases during mechanical activation. The PFW seeding also has a strong effect on the types of transitional phases involved when the activated compositions are subjected to an increasing calcination temperature.
Source Title: Solid State Ionics
URI: http://scholarbank.nus.edu.sg/handle/10635/107184
ISSN: 01672738
DOI: 10.1016/S0167-2738(00)00689-5
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