【selected publication】
[1] Ke Wang and Jing-Feng Li, Domain Engineering of Lead-free Li-modified (K, Na)NbO3 Polycrystals with Highly Enhanced Piezoelectricity, Advanced Functional Materials, 2010, 20 (12), 1924-1929. （SCI cited 19 times）
[2] Ke Wang, Jing-Feng Li and Nan Liu, Piezoelectric Properties of Low-temperature Sintered Li-modified (Na, K)NbO3 Lead-free Ceramics, Applied Physics Letters, 2008, 93, 092904. （SCI cited 40 times）
[3] Ke Wang and Jing-Feng Li, Analysis of Crystallographic Evolution in (Na,K)NbO3-based Lead-free Piezoceramics by X-ray Diffraction, Applied Physics Letters, 2007, 91, 262902. （SCI cited 51 times）
[4] Ke Wang, Jing-Feng Li, andJ.-J. Zhou, High Normalized Strain Obtained in Li-Modified (K,Na)NbO3 Lead-Free Piezoceramics, Appl. Phys. Express, 4 [6] 061501.2011.
[5] Ke Wang, Ali Hussain, Wook Jo, and Juergen Roedel, Temperature dependent properties of (Bi1/2Na1/2)TiO3-(Bi1/2K1/2)TiO3-SrTiO3 Lead-free Piezoceramics, Journal of the American Ceramic Society, online published.
[6] Ke Wang and Jing-Feng Li, Low-temperature Sintering of Li-modified (K, Na)NbO3 Lead-free Ceramics: Sintering Behavior, Microstructure and Electrical Properties, Journal of the American Ceramic Society, 2010, 93 (4), 1101-1107.
[7] Ke Wang, Bo-Ping Zhang, Jing-Feng Li and Li-Min Zhang, Lead-Free Na0.5K0.5NbO3 Piezoelectric Ceramics Fabricated by Spark Plasma Sintering: Annealing Effect on Electrical Properties, Journal of Electroceramics, 2008, 21(1-4) 251-254.
[8] Ke Wang, Bo-Ping Zhang, Jing-Feng Li and Hong-Jin Liu, Na1-xKxNbO3 (x=0.2-0.8) Lead-Free Piezoelectric Ceramics Prepared by Spark Plasma Sintering, Key Engineering Materials, 2007, 336-338, 224-227.
[9] Ke Wang and Jing-Feng Li, (K, Na)NbO3-based Lead-Free Piezoceramics: Phase Transition, Sintering and Property Enhancement, Journal of Advanced Ceramics, 2012, 1(1) 24-37.
[10] Ke Wang and Jing-Feng Li, Normal Sintering of Li/Ta Co-doped (Na, K)NbO3 Lead-free Piezoceramics: Processing Effect on Phase Transitions and Densification, The 4th International Workshop on Piezoelectric Materials and Applications in Actuators, 2007, Sep. 9th-14th, 9-14.
[11] Jing-Feng Li, Ke Wang, Bo-Ping Zhang and Li-Min Zhang, Ferroelectric and Piezoelectric Properties of Fine-Grained Na0.5K0.5NbO3 Lead-Free Piezoelectric Ceramics Prepared by Spark Plasma Sintering, Journal of the American Ceramic Society, 2006, 89(2), 706-709. （SCI cited 145 times）
[12] Bo-Ping Zhang, Jing-Feng Li, Ke Wang, and Hailong Zhang, Compositional Dependence of Piezoelectric Properties in NaxK1-xNbO3 Lead-Free Ceramics Prepared by Spark Plasma Sintering, Journal of the American Ceramic Society, 2006, 89(5), 1605-1609. （SCI cited 115 times）
[13] Nan Liu, Ke Wang, Jing-Feng Li, and Zonghuai Liu, Hydrothermal Synthesis and Spark Plasma Sintering of (K, Na)NbO3 Lead-Free Piezoceramics, Journal of the American Ceramic Society, 2009, 92(8), 1884-1887.
[14] Zong-Yang Shen, Ke Wang, and Jing-Feng Li, 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, Applied Physics A, 2009, 97(4), 911-917.
[15] Yuhua Zhen, Jing-Feng Li and Ke Wang, Fabrication and Electrical Properties of Fine-scale 1-3 Piezoceramic/Epoxy Composites using (K,Na)NbO3-based Lead-free Ceramics, Ferroelectrics, 2007, 358, 161-168.
[16] Zong-Yang Shen, Jing-Feng Li, Ke Wang, Siyang Xu, Wan Jiang, Qihuang Deng, Electrical and Mechanical Properties of Fine-Grained Li/Ta-Modified (Na,K)NbO3-Based Piezoceramics Prepared by Spark Plasma Sintering, Journal of the American Ceramic Society, 2010, 93 (5), 1378-1383.
[17] Zong-Yang Shen, Yuhua Zhen, Ke Wang, and Jing-Feng Li, Influence of Sintering Temperature on Grain Growth and Phase Structure of Compositionally Optimized High-Performance Li/Ta-Modified (Na,K)NbO3 Ceramics, Journal of the American Ceramic Society, 2009, 92(8), 1748-1752. （SCI cited 17 times）
[18] Jia-Jun Zhou, Jing-Feng Li, Ke Wang, Xiao-Wen Zhang, Phase structure and electrical properties of (Li,Ta)-doped (K,Na)NbO3 lead-free piezoceramics in the vicinity of Na/K 50/50, Journal of Materials Science, 2011, 46 (15) 5111-5116.
[19] Yuhua Zhen, Jing-Feng Li, Ke Wang, Youguo Yan, and Lianqing 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-Adv. Funct. Solid-State Mater., 2011, 176 [14] 1110-1114.
[20] Pei Zhao, Bo-Ping Zhang, Ke Wang, Li-Min Zhang, Hailong, Zhang, Effect of Li Content on the MicroStructure and Properties of Lead-free Piezoelectric (K0.5Na0.5)(1-x)LixNbO3 Ceramics Prepared by SPS, Journal of University of Science and Technology Beijing, 2008, 15(3), 314-319.
[21] Jing-Feng Li, Yuhua Zhen, Bo-Ping Zhang, Li-Min Zhang, Ke Wang, Normal Sintering of (K, Na)NbO3-based Lead-free Piezoelectric Ceramics, Ceramics International, 2008, 34(4), 783-786. （SCI cited 15 times）
[22] Li-Min Zhang, Bo-Ping Zhang, Jing-Feng Li, Ke Wang, and Hai-Long Zhang, Normal Sintering of Lead-free Piezoceramic Potassium Sodium Niobate and its Electrical Properties, Journal of the Chinese Ceramic Society, 2007, 35(1), 5-9.
[23] Li-Min Zhang, Bo-Ping Zhang, Jing-Feng Li, Hai-Long Zhang, and Ke Wang, SPS Fabrication of Na0.5K0.5NbO3 Lead-Free Piezoelectric Ceramics, Rare Metal Materials And Engineering, 2005, 34(z2), 994-997.
Note: SCI citation is until 2012.03.