? SAITO Y, TAKAO H, TANI T, et al. Lead-free piezoceramics [J]. Nature, 2004, 432: 84–87.
[7]
? MAEDA T, TAKIGUCHI N, ISHIKAWA M, et al. (K,Na)NbO3 lead- free piezoelectric ceramics synthesized from hydrothermal powders [J]. Mater Lett, 2010, 64: 125–128.
LI Yueming, WANG Jinsong, LIAO Runhua, et al. J Synth Cryst, 2010, 39(1): 120–124.
[12]
? GUO R, CROSS L E, PARK S E, et al. Origin of the high piezoelectric response in PbZr1–xTixO3 [J]. Phys Rev Lett, 2000, 84: 5423–5426.
[13]
? LAI Fengping, LI Jingfeng, ZHU Zhixiang, et al. Influence of Li content on electrical properties of highly piezoelectric (Li, K, Na)NbO3 thin films prepared by sol–gel processing [J]. J Appl Phys, 2009, 106: 064101.
[14]
? YANG Gang, JI Hongmei, LIU Haidong, et al. Fast preparation of LiFePO4 nanoparticles for lithium batteries by mcrowave-assisted hydrothermal mehod [J]. J Nanosci Nanotech, 2010, 10(2): 980–986.
[15]
? BHARAT L. N, JOHNSON O, SRIDHAR K. Microwave-hydrothermal synthesis and characterization of zirconic substituted SBA-15 mesoporous silica [J]. J Phys Chem B, 2001, 105(35): 8356–8360.
[16]
? VADIVEL A M, VIOLET S, RAVI V. Synthesis of nanocrystalline anatase TiO2 by microwave hydrothermal method [J]. Mater Lett, 60(4): 479–480.
[17]
? KOMAMENI S, ROY R, LI Q H, Microwave-hydrothermal synthesis of ceramic powder [J]. Mater Res Bull, 1992, 27: 1393–1405.
[18]
? AMAURI J P, RODRIGO P, MARIA A, et al. Syntheses of KNbO3 nanostructures by a microwave assisted hydrothermal method [J]. Mater Lett, 2008, 62: 2581–2584.
[19]
? PALCHIK O, ZHU Jing, GEDANKEN A. Microwave assisted preparation of binary oxide nanoparticles [J]. J Mater Chem, 2000, 10: 1251–1254.
[20]
? SHEN Zongyang, WANG Ke, LI Jingfeng. Combined effects of Li content and sintering temperature on polymorphic phase boundary and electrical properties of Li/Ta co-doped (Na, K)NbO3 lead-free piezoceramics [J]. Appl Phy A, 2009, 97: 911–917.