Giant Piezoelectricity in Potassium–Sodium Niobate Lead-Free Ceramics

2014 ◽  
Vol 136 (7) ◽  
pp. 2905-2910 ◽  
Author(s):  
Xiaopeng Wang ◽  
Jiagang Wu ◽  
Dingquan Xiao ◽  
Jianguo Zhu ◽  
Xiaojing Cheng ◽  
...  
Keyword(s):  
Lead Free ◽  
Sodium Niobate ◽  
Potassium Sodium Niobate ◽  
Potassium Sodium ◽  
Lead Free Ceramics

Giant strain response with low hysteresis in potassium sodium niobate based lead-free ceramics

2019 ◽  
Vol 45 (12) ◽  
pp. 14675-14683 ◽  
Author(s):  
Lixiang Yu ◽  
Hao Xi ◽  
Zhenglei Yu ◽  
Yunfei Liu ◽  
Yinong Lyu
Keyword(s):  
Lead Free ◽  
Strain Response ◽  
Sodium Niobate ◽  
Potassium Sodium Niobate ◽  
Potassium Sodium ◽  
Lead Free Ceramics

High unipolar strain in samarium-doped potassium–sodium niobate lead-free ceramics

RSC Advances ◽  
2015 ◽  
Vol 5 (49) ◽  
pp. 39295-39302 ◽  
Author(s):  
Xiang Lv ◽  
Jiagang Wu ◽  
Dingquan Xiao ◽  
Yuan Yuan ◽  
Hong Tao ◽  
...  
Keyword(s):  
Electrical Properties ◽  
Composition Dependence ◽  
Lead Free ◽  
Sodium Niobate ◽  
Potassium Sodium Niobate ◽  
Potassium Sodium ◽  
Phase Structures ◽  
Lead Free Ceramics

In this work, a high unipolar strain has been developed in the 0.9675KNNST–0.0325(Bi1−xSmx)NKZ ceramics by introducing Sm, and the composition dependence of their phase structures and electrical properties is also discussed.

Superior Piezoelectric Properties in Potassium-Sodium Niobate Lead-Free Ceramics

2016 ◽  
Vol 28 (38) ◽  
pp. 8519-8523 ◽  
Author(s):  
Kai Xu ◽  
Jun Li ◽  
Xiang Lv ◽  
Jiagang Wu ◽  
Xixiang Zhang ◽  
...  
Keyword(s):  
Piezoelectric Properties ◽  
Lead Free ◽  
Sodium Niobate ◽  
Potassium Sodium Niobate ◽  
Potassium Sodium ◽  
Lead Free Ceramics

Potassium–sodium niobate lead-free ceramics: modified strain as well as piezoelectricity

2015 ◽  
Vol 3 (5) ◽  
pp. 1868-1874 ◽  
Author(s):  
Ting Zheng ◽  
Jiagang Wu ◽  
Dingquan Xiao ◽  
Jianguo Zhu ◽  
Xiangjian Wang ◽  
...  
Keyword(s):  
High Strain ◽  
Lead Free ◽  
Sodium Niobate ◽  
Potassium Sodium Niobate ◽  
Phase Boundaries ◽  
Potassium Sodium ◽  
Lead Free Ceramics ◽  
New Phase

The obvious conflicts between large piezoelectricity and high strain could be solved by developing new phase boundaries in potassium–sodium niobate materials.

Phase transition characteristics and associated piezoelectricity of potassium-sodium niobate lead-free ceramics

2015 ◽  
Vol 44 (30) ◽  
pp. 13688-13699 ◽  
Author(s):  
Yuanyu Wang ◽  
Liang Hu ◽  
Qilong Zhang ◽  
Hui Yang
Keyword(s):  
Phase Transition ◽  
Phase Boundary ◽  
Sintering Temperature ◽  
Lead Free ◽  
Sodium Niobate ◽  
Ceramic System ◽  
Potassium Sodium Niobate ◽  
Potassium Sodium ◽  
Lead Free Ceramics ◽  
T Phase

To achieve high piezoelectric activity and a wide sintering temperature range, the ceramic system concerning (1 − x)(K0.48Na0.52)(Nb0.96Sb0.04)O3–x[Bi0.5(Na0.7Ag0.3)0.5]0.90 Zn0.10ZrO3 was designed, and the rhombohedral–tetragonal (R–T) phase boundary can drive a high d33.

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