Influence of A-site doping on properties of lead-free KNN-based perovskite ceramics

被引：6

作者：

Politova, E. D. ^{[1
]}

Kaleva, G. M. ^{[1
]}

Mosunov, A., V ^{[2
]}

Stefanovich, S. Yu ^{[2
]}

Sadovskaya, N., V ^{[3
]}

Ilina, T. S. ^{[4
]}

Kislyuk, A. M. ^{[4
]}

Kiselev, D. A. ^{[4
]}

机构：

[1] Russian Acad Sci, Semenov Inst Chem Phys, Moscow, Russia

[2] Moscow MV Lomonosov State Univ, Dept Chem, Moscow, Russia

[3] RAS, FSRC Crystallog & Photon, Moscow, Russia

[4] Natl Univ Sci & Technol MISiS, Moscow, Russia

来源：

FERROELECTRICS | 2021年 / 575卷 / 01期

基金：

俄罗斯基础研究基金会;

关键词：

sodium-potassium niobate; A-cation doping; perovskite structure; properties; LOCAL PIEZOELECTRIC PROPERTIES; FREE PIEZOCERAMICS; PHASE-TRANSITIONS;

D O I：

10.1080/00150193.2021.1888239

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Influence of A-site doping with Li+, Ag+, and K+ cations on structure, microstructure, dielectric, ferroelectric, and local piezoelectric properties of potassium niobate (K0.5Na0.5)NbO3 ceramics was studied. Changes in the unit cell parameters correlated with ionic radii changes. Correlations between dielectric and piezoelectric properties were confirmed. The highest effective local d(33) piezoelectric coefficient values were observed in Ag+-doped compositions prepared by the sol-gel method.

引用

页码：158 / 166

页数：9

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