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We have synthesized and were performed a comparison of structures and optical properties between relaxor ferroelectric PMN–PT and PMN–PZT nanopowders. A gel-combustion method has been used to synthesize PMN–PT and PMN–PZT nanocrystalline with the perovskite structure. The precursors employed in the gel-combustion process were lead nitrate, magnesium acetate, niobium ammonium oxalate and zirconium...
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