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

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.

Investigation of the domain structure and hierarchy in potassium–sodium niobate lead-free piezoelectric single crystals

RSC Advances ◽  
2016 ◽  
Vol 6 (54) ◽  
pp. 49060-49067 ◽  
Author(s):  
Micka Bah ◽  
Natalya Alyabyeva ◽  
Richard Retoux ◽  
Fabien Giovannelli ◽  
Mustapha Zaghrioui ◽  
...  
Keyword(s):  
Single Crystals ◽  
Domain Structure ◽  
Lead Free ◽  
Nanometer Scale ◽  
Sodium Niobate ◽  
Potassium Sodium Niobate ◽  
Length Scales ◽  
Potassium Sodium ◽  
Domain Structures ◽  
Self Organized

We reported self-organized and hierarchized domain structures on various length scales ranging from micrometer to nanometer scale in K0.5Na0.5NbO3 crystals.

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