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2. Ferroelectric and Piezoelectric Properties of Fine-Grained Na0.5K0.5NbO3 Lead-Free Piezoelectric Ceramics Prepared by Spark Plasma Sintering;Li,2006
3. Sintering and Electrical Properties of Lead-Free Na0.5K0.5NbO3 Piezoelectric Ceramics;Zuo,2006
4. Preparation and Piezoelectric Properties of (K0.5Na0.5)NbO3 Lead-Free Piezoelectric Ceramics with Pressure-Less Sintering;Du,2006