Nanocrystalline PbTiO3 powders from an amorphous Pb-Ti-O precursor by mechanical activation

作者：Yu T^*; Shen ZX; Xue JM; Wang J

来源：Materials Chemistry and Physics, 2002, 75(1-3): 216-219.

DOI：10.1016/S0254-0584(02)00059-7

• amorphous Pb-Ti-O
• nanocrystalline
• scanning electron microscopy
• Raman spectroscopy

Mechanical activation is investigated for its efforts in triggering PbTiO3 nanocrystallites from an amorphous Pb-Ti-O precursor, which was synthesized by co-precipitation. In this study, the amorphous precursor and the compositions that were subjected to mechanical activation for various time periods were investigated using Raman spectroscopy, X-ray diffraction (XRD) and scanning electron microscopy (SEM). A single perovskite PbTiO3 phase was readily formed in the amorphous Pb-Ti-O precursor by mechanical activation, where a nanocrystalline feature is retained.

• 出版日期2002-4-28