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.

scholarly journals Piezoelectric and electrocaloric properties of high performance potassium sodium niobate-based lead-free ceramics

2020 ◽  
Vol 69 (21) ◽  
pp. 217705
Author(s):  
Xiao-Wei Wei ◽  
Hong Tao ◽  
Chun-Lin Zhao ◽  
Jia-Gang Wu
Keyword(s):  
High Performance ◽  
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

scholarly journals Synergetic Contributions in Phase Boundary Engineering to the Piezoelectricity of Potassium Sodium Niobate Lead-Free Piezoceramics

2020 ◽  
Vol 12 (35) ◽  
pp. 39455-39461
Author(s):  
Xiang Lv ◽  
Junwei Zhang ◽  
Yao Liu ◽  
Fei Li ◽  
Xi-xiang Zhang ◽  
...  
Keyword(s):  
Phase Boundary ◽  
Lead Free ◽  
Sodium Niobate ◽  
Potassium Sodium Niobate ◽  
Potassium Sodium

Enhanced temperature stability in the R–T phase boundary with dominating intrinsic contribution

2018 ◽  
Vol 20 (30) ◽  
pp. 20149-20159 ◽  
Author(s):  
Xiang Lv ◽  
Jiagang Wu ◽  
Jianguo Zhu ◽  
Dingquan Xiao
Keyword(s):  
Phase Boundary ◽  
Temperature Stability ◽  
Sodium Niobate ◽  
Potassium Sodium Niobate ◽  
Potassium Sodium ◽  
T Phase

An effective method to simultaneously improve strain and its temperature stability in potassium sodium-niobate-based ceramics.

New potassium-sodium niobate lead-free piezoceramic: Giant-d33 vs. sintering temperature

2014 ◽  
Vol 115 (11) ◽  
pp. 114104 ◽  
Author(s):  
Jiagang Wu ◽  
Xiaopeng Wang ◽  
Xiaojing Cheng ◽  
Ting Zheng ◽  
Binyu Zhang ◽  
...  
Keyword(s):  
Sintering Temperature ◽  
Lead Free ◽  
Sodium Niobate ◽  
Potassium Sodium Niobate ◽  
Potassium Sodium

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

scholarly journals Enhanced electrocaloric effect near polymorphic phase boundary in lead-free potassium sodium niobate ceramics

2017 ◽  
Vol 110 (6) ◽  
pp. 063904 ◽  
Author(s):  
Xiangjian Wang ◽  
Jiagang Wu ◽  
Brahim Dkhil ◽  
Baixiang Xu ◽  
Xiaopeng Wang ◽  
...  
Keyword(s):  
Phase Boundary ◽  
Lead Free ◽  
Sodium Niobate ◽  
Potassium Sodium Niobate ◽  
Electrocaloric Effect ◽  
Potassium Sodium
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