Nanoscale Structure–Property Relations in Sm Modified Lead Zirconate Titanate
Nanocrystalline ferroelectric Pb0.92Sm0.08(Zr0.53Ti0.47)0.98O3 with high dielectric constant has been synthesized by mechanical alloying (high energy ball milling). The ferroelectric material exhibits novel behavior when
its crystallite size falls below a critical length scale of 40 nm. We observed phenomena such as significant decrease in dielectric constant and phase transition from Tetragonal to Cubic structure on reduction in crystallite size below 40 nm.
Keywords: FERROELECTRIC; MECHANICAL ALLOYING; NANOCRYSTALLINE; PHASE TRANSITION
Document Type: Research Article
Publication date: 01 May 2009
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