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- Title
Mechano-Synthesis of Lead–Magnesium–Niobate Ceramics.
- Authors
Kuscer, Danjela; Holc, Janez; Kosec, Marija; Meden, Anton
- Abstract
The synthesis of Pb(Mg1/3Nb2/3)O3 (PMN) with high-energy milling was studied by X-ray powder diffraction (XRD) using the Rietveld-refinement method. The results are discussed in terms of the qualitative and quantitative composition of the crystalline and amorphous phases as a function of milling time. The mechano-synthesis of PbO, Nb2O5, and MgO leads to the formation of perovskite PMN. In the initial stage of milling, particle size reduction and a high degree of amorphization were observed, together with the simultaneous formation of perovskite and pyrochlore-type structures. A mechanism for the formation of PMN by the mechano-synthesis route is proposed.
- Subjects
X-ray diffraction; AMORPHOUS substances; PEROVSKITE; MILLING (Metalwork); RIETVELD refinement
- Publication
Journal of the American Ceramic Society, 2006, Vol 89, Issue 10, p3081
- ISSN
0002-7820
- Publication type
Article
- DOI
10.1111/j.1551-2916.2006.01221.x