Outstanding piezoelectric properties of Al-substituted potassium-sodium niobate-based lead-free piezoceramics

2020 ◽  
Vol 836 ◽  
pp. 155419
Author(s):  
Liumao Tan ◽  
Qi Sun ◽  
Yuanyu Wang
Keyword(s):  
Piezoelectric Properties ◽  
Lead Free ◽  
Sodium Niobate ◽  
Potassium Sodium Niobate ◽  
Potassium Sodium

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

Role of antimony in the phase structure and electrical properties of potassium–sodium niobate lead-free ceramics

RSC Advances ◽  
2015 ◽  
Vol 5 (19) ◽  
pp. 14575-14583 ◽  
Author(s):  
Jiagang Wu ◽  
Hong Tao ◽  
Yuan Yuan ◽  
Xiang Lv ◽  
Xiangjian Wang ◽  
...  
Keyword(s):  
Electrical Properties ◽  
Phase Structure ◽  
Piezoelectric Properties ◽  
Lead Free ◽  
Sodium Niobate ◽  
Potassium Sodium Niobate ◽  
Potassium Sodium ◽  
The Past ◽  
Lead Free Ceramics

In the past ten years, antimony has been reported to strongly affect the developments in the piezoelectric properties of (K,Na)NbO3 (KNN) lead-free ceramics, that is, its enhanced piezoelectric activity is closely related to the doped antimony as well its content.

scholarly journals Progress on the doping and phase boundary design of potassium–sodium niobate lead-free ceramics

2018 ◽  
Vol 08 (03) ◽  
pp. 1830003 ◽  
Author(s):  
Jie Xing ◽  
Ting Zheng ◽  
Jiagang Wu ◽  
Dingquan Xiao ◽  
Jianguo Zhu
Keyword(s):  
Room Temperature ◽  
Piezoelectric Properties ◽  
Lead Free ◽  
High Curie Temperature ◽  
Sodium Niobate ◽  
Sintering Aids ◽  
Potassium Sodium Niobate ◽  
Phase Boundaries ◽  
Potassium Sodium ◽  
Lead Free Ceramics

Potassium–sodium niobate (K,Na)NbO3/(KNN) lead-free ceramics have drawn vast amount of attention as one of the effective alternatives to lead-based ones. In recent years, the author’s group concentrated their work on KNN-based ceramics. This paper reviews the main obtained results in authors’ laboratory on how to enhance the piezoelectric properties of KNN-based ceramics, including the ions or compounds substitution, the constructing and types of phase boundaries near room temperature, the investigation of other tools (sintering aids, synthesis technique, poling conditions) on properties. All the published papers up to now show the developing higher performance with maintaining high Curie temperature of KNN-based ceramics which has great potential for the future and is the key to success for the field.

Structure and Piezoelectric Properties of Fe-Doped Potassium Sodium Niobate Tantalate Lead-Free Ceramics

2011 ◽  
Vol 94 (8) ◽  
pp. 2489-2493 ◽  
Author(s):  
Wenlong Yang ◽  
Zhongxiang Zhou ◽  
Bin Yang ◽  
Rui Zhang ◽  
Zhu Wang ◽  
...  
Keyword(s):  
Piezoelectric Properties ◽  
Lead Free ◽  
Sodium Niobate ◽  
Potassium Sodium Niobate ◽  
Potassium Sodium ◽  
Lead Free Ceramics

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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