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To investigate the effect of Er3+ doping on the luminescence behavior of perovskite structure ceramics, the Er2O3 doped KNbO3 smart ferroelectric ceramics have been synthesized by the conventional solid-state reaction. The results of luminescence property demonstrated that the green and red up-conversion emission intensities of these ceramics excited under 980nm increased with the content of Er2O3...
The phase structure of lead-free Li 0.058 (Na 0.51 K 0.49 ) 0.942 NbO 3 (KNNLN) ceramics can be affected by the stress as well as the external electric field. A high piezoelectric constant was obtained in KNNLN ceramics by adjusting the cooling-down speed of the sintering. The {200} reflection X-ray diffraction lines were measured to accurately identify the...
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