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The combination of non-conventional methods of synthesis (mechanosynthesis) and sintering (SPS) has been used for the preparation of nanostructured BiScO 3 –PbTiO 3 ceramics with tailored grain size. The key to control grain growth in the nanoscale is to achieve a significant densification during initial stages of the SPS, mainly by particle rearrangement under pressure, before thermally...
Nanocrystalline powders synthesized by mechanochemical activation were successfully used to process high-density submicron- and nanostructured 0.8Pb(Mg 1/3 Nb 2/3 )O 3 –0.2PbTiO 3 perovskite phase ceramics by hot pressing, with average grain size ranging from 0.36μm down to 88nm. These materials are very suitable for studying the size dependence of the properties across...
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