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https://hdl.handle.net/11147/2376
Title: | Phase formation and microstructure of Nd +3 doped Pb(Mg 1/3Nb 2/3)O 3 prepared by sol-gel method | Authors: | Şakar-Deliormanlı, Aylin Çelik, Erdal Polat, Mehmet |
Keywords: | Neodymium Lead magnesium niobate Multicomponent system Pyrochlore |
Publisher: | Springer Verlag | Source: | Şakar‐Deliormanlı, A., Çelik, E., and Polat, M. (2008). Phase formation and microstructure of Nd +3 doped Pb(Mg 1/3Nb 2/3)O 3 prepared by sol-gel method. Journal of Materials Science: Materials in Electronics, 19(6), 577-583. doi:10.1007/s10854-007-9392-4 | Abstract: | The aim of this study was to investigate the effects of the rare earth element neodymium on the phase formation and microstructural development of relaxor ferroelectric lead magnesium niobate, Pb(Mg 1/3 Nb 2/3)O 3 (PMN) system. Perovskite phase PMN powders were prepared using the sol - gel method and the effect of neodymium doping was investigated at different doping levels ranging from 0.1 mol% to 30 mol%. The precursors employed in the sol - gel process were lead (II) acetate, magnesium ethoxide, and niobium (V) ethoxide. All the experiments were performed at room temperature while the calcination temperatures ranged between 800 °C and 1,100 °C. Results showed that it was possible to obtain the pure perovskite phase at 950 °C using the sol - gel method. Nd +3 addition influenced the phase formation and microstructure of the multicomponent system. Pyrochlore was detected along with the perovskite phase above 10 mol% Nd. Results also demonstrated that grain size of the synthesized powders depended on the Nd +3 concentration. | URI: | http://doi.org/10.1007/s10854-007-9392-4 http://hdl.handle.net/11147/2376 |
ISSN: | 0957-4522 0957-4522 |
Appears in Collections: | Chemical Engineering / Kimya Mühendisliği Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection |
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