Ferropiezoelectric properties and microstructure of PbFe1/2Nb1/2O3 ceramics |
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| Authors: | A V Pavlenko S I Shevtsova A T Kozakov L A Shilkina A A Pavelko L A Reznickenko |
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| Institution: | 1. Research Institute of Physics, Southern Federal University, Rostov-on-Don, 344006, Russia
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| Abstract: | Ceramic samples of lead ferroniobate (PFN) having a rhombohedral symmetry at room temperature are obtained. Their ferroelectric and magnetic properties in the vicinity of the antiferromagnetic and ferroelectric phase transition temperatures are investigated. The electrophysical parameters of the polarized ceramic are presented. By means of electron-probe microanalysis, the number of inclusions of Fe-containing impurity phases (??0.2 vol %) is revealed to be several times higher than that in grains of the PFN ceramics. It is suggested that the above could be caused by the magnetic properties of PFN at room temperature. |
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