Influence of the sintering temperature on ferroelectric properties of potassium-sodium niobate piezoelectric

被引：6

作者：

Cortes, J. A. ^{[1
]}

Camargo, J. ^{[2
]}

Rachia, M. F. ^{[1
]}

Rubio-Marcos, F. ^{[3
,4
]}

Ramajo, L. ^{[2
]}

Castro, M. ^{[2
]}

Ramirez, M. A. ^{[1
]}

机构：

[1] Sao Paulo State Univ UNESP, Fac Engn Guaratingueta, Av Dr Ariberto Pereira Cunha 333, BR-12516410 Guaratingueta, SP, Brazil

[2] INTEMA, Res Inst Mat Sci & Technol, Av Colon 10850,B7608FDQ, Mar Del Plata, Argentina

[3] CSIC, Electroceram Dept, Inst Ceram & Vidrio, Kelsen 5, Madrid 28049, Spain

[4] Univ Antonio Nebrija, Escuela Politecn Super, Pirineos 55, Madrid 28040, Spain

来源：

JOURNAL OF ADVANCED DIELECTRICS | 2021年 / 11卷 / 03期

关键词：

KNL-NTS; lead-free; ferroelectric properties; ELECTRICAL-PROPERTIES; PHASE-STRUCTURE; SOL-GEL; PIEZOCERAMICS; EVOLUTION; POWDERS; TA;

D O I：

10.1142/S2010135X21400026

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The effect of sintering condition on structure, microstructure, and ferroelectric properties of (K0.44Na0.52Li0.04) (Nb0.86Ta0.10Sb0.04)-O-3 (KNL-NTS) has been investigated. Ceramic powders have been synthesized by the solid-state reaction method and sintered at different temperatures (1115 degrees C, 1125 degrees C, and 1140 degrees C). Then, samples were characterized by thermogravimetric analysis, X-ray diffraction, scanning electron microscopy, and impedance spectroscopy. Through XRD results, the perovskite structure and small peaks corresponding to a secondary phase were detected. Ceramics processed at the highest temperatures showed higher densities and good piezoelectric properties (d(33), K-p, and K-t), particularly specimens sintered at 1125 degrees C presented the highest piezoelectric performance.

引用

页数：8

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