[1]
Y. Saito, H. Takao, T. Tani, T. Nonoyama, K. Takatori, T. Homma, T. Nagaya, M. Nakamura, Lead-Free Piezoceramics, Nature 432 (2004)84-87.
DOI: 10.1038/nature03028
Google Scholar
[2]
J. Fang, X. H. Wang, Z. B. Tian, C. F. Zhong, L. T. Li, R. Z. Zuo, Two-Step Sintering: An Approach to Broaden the Sintering Temperature Range of Alkaline Niobate-Based Lead-Free Piezoceramics, J. Am. Ceram. Soc. 93(2010)3552-3555.
DOI: 10.1111/j.1551-2916.2010.04085.x
Google Scholar
[3]
J. Fang, X. H. Wang, R. Z. Zuo, Z. B. Tian, C. F. Zhong, L. T. Li, Narrow sintering temperature window for (K, Na)NbO3-based lead-free piezoceramics caused by compositional segregation, Physica Status Solidi A-Applications and Materials Science 208 (2011).
DOI: 10.1002/pssa.201026500
Google Scholar
[4]
J. Fang, X. H. Wang, L. T. Li, Properties of Ultrafine-Grained Na0. 5K0. 5NbO3 Ceramics Prepared From Nanopowder J. Am. Ceram. Soc. 94 (2011)1654-1656.
DOI: 10.1111/j.1551-2916.2011.04534.x
Google Scholar
[5]
J. F. Li, K. Wang, B. P. Zhang, L. M. Zhang, Ferroelectric and Piezoelectric Properties of Fine-Grained Na0. 5K0. 5NbO3 Lead-Free Piezoelectric Ceramics Prepared by Spark Plasma Sintering, J. Am. Ceram. Soc. 89 (2006)706-709.
DOI: 10.1111/j.1551-2916.2005.00743.x
Google Scholar
[6]
M. Eriksson, H. X. Yan, G. Viola, H. P. Ning, D. Gruner, M. Nygren, M. J. Reece, and Z. J. Shen, Ferroelectric Domain Structures and Electrical Properties of Fine-Grained Lead-Free Sodium Potassium Niobate Ceramics, J. Am. Ceram. Soc. 94(2011).
DOI: 10.1111/j.1551-2916.2011.04510.x
Google Scholar
[7]
Y. H. Zhen, J. F. Li, K. Wang, Y. G. Yan, L.Q. Yu, Spark plasma sintering of Li/Ta-modified (K, Na)NbO3 lead-free piezoelectric ceramics: Post-annealing temperature effect on phase structure, electrical properties and grain growth behavior, Mater. Sci. Eng. B 176 (2011).
DOI: 10.1016/j.mseb.2011.05.051
Google Scholar
[8]
C. Wang, Y. D. Hou, H. Y. Ge, M. K. Zhu, H. Wang, H. Yan, Sol-Gel Synthesis and Characterization of Lead-Free LNKN Nanocrystalline Powder, J. Cryst. Growth. 310 (2008) 4635-4639.
DOI: 10.1016/j.jcrysgro.2008.08.042
Google Scholar
[9]
K. Kakimoto, Y. Hayakawa, I. Kagomiya, Low-Temperature Sintering of Dense (Na, K)NbO3 Piezoelectric Ceramics Using the Citrate Precursor Technique, J. Am. Ceram. Soc. 93 (2010) 2423-2426.
DOI: 10.1111/j.1551-2916.2010.03748.x
Google Scholar
[10]
A. Chowdhury, J. Bould, M. G. S. Londesborough, S. J. Milne, The Effect of Refluxing on the Alkoxide-Based Sodium Potassium Niobate Sol-Gel System: Thermal and Spectroscopic Studies, J. Solid State Chem. 184 (2011) 317-324.
DOI: 10.1016/j.jssc.2010.12.002
Google Scholar
[11]
J. Fang, X. H. Wang, L. T. Li, Li-, Sb- and Ta-modified (K, Na)NbO3nanopowder prepared via a water-based sol–gel method, Phys. Status Solidi RRL. 6(2012)132-134.
DOI: 10.1002/pssr.201105576
Google Scholar
[12]
Y. Dai, X. Zhang, and G. Zhou, Phase Transitional Behavior in K0. 5Na0. 5NbO3–LiTaO3 Ceramics, Appl. Phys. Lett. 90 (2007)262903.
DOI: 10.1063/1.2751607
Google Scholar