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The mechanism of the mechanochemical reaction between Na 2 CO 3 and Nb 2 O 5 , particularly the reaction course, was explored in detail. New data on the transitional (intermediate) phase of the reaction were obtained, including the characteristics of Nb―O bonding and chemical environment of Na + ions. This was achieved by using analytical methods sensitive to...
Lead titanate nanopowders were fabricated by mechanochemical synthesis from lead oxide and titanium dioxide. The milling process has been carefully investigated by X-ray diffraction and X-ray excited photoelectron spectroscopy. The first traces of perovskite phase were detected after 5 h synthesis. It was found that intermediated phases (Ti10O18 and Pb3O4) have been formed at the early stage of synthesis...
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