1. Wang, Z., Gu, H., Hu, Y., Yang, K., Hu, M., Zhou, D., Guan, J.: Synthesis, growth mechanism and optical properties of (K,Na)NbO3 nanostructures. CrystEngComm. 12, 3157–3162 (2010)
2. Liu, N., Wang, K., Li, J.-F., Liu, Z.: Hydrothermal synthesis and spark plasma sintering of (K, Na)NbO3 lead-free piezoceramics. J Am Ceram Soc. 92, 1884–1887 (2009)
3. Jenko, D., Benčan, A., Malič, B., Holc, J., Kosec, M.: Electron microscopy studies of potassium sodium niobate ceramics. Microsc Microanal. 11, 572–580 (2005)
4. Zhou, D., Gu, H., Hu, Y., Tian, H., Wang, Z., Qian, Z., Wang, Y.: Synthesis, characterization and ferroelectric properties of lead-free K0.5Na0.5NbO3 nanotube arrays. J Appl Phys. 109, 114104-1–114104-5 (2011)
5. Dai, Y.-J., Zhang, X.-W., Chen, K.-P.: Morphotropic phase boundary and electrical properties of K1−xNaxNbO3 lead-free ceramics. Appl Phys Lett. 94, 042905-1–042905-3 (2009)