Maintaining local displacive disorders in Na0.5Bi0.5TiO3 piezoceramics by K0.5Bi0.5TiO3 substitution

被引：17

作者：

Rao, Badari Narayana ^{[1
]}

Senyshyn, Anatoliy ^{[2
]}

Olivi, Luca ^{[3
]}

Sathe, Vasant ^{[4
]}

Ranjan, Rajeev ^{[1
]}

机构：

[1] Indian Inst Sci, Dept Mat Engn, Bangalore 560012, Karnataka, India

[2] Tech Univ Munich, Heinz Maier Leibnitz Zentrum MLZ, Lichtenbergestr 1, D-85747 Garching, Germany

[3] Elettra Sincrotrone Trieste SCpA, Ss 14 Km 163-5, I-34194 Basovizza Trieste, Italy

[4] UGC DAE Consortium Sci Res, Univ Campus,Khandwa Rd, Indore 452017, Madhya Pradesh, India

来源：

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2016年 / 36卷 / 08期

关键词：

Lead-free; Na0.5Bi0.5TiO3-K0.5Bi0.5TiO3; Structure characterization; Ferroelectrics; PIEZOELECTRIC PROPERTIES; PHASE-TRANSITIONS; PEROVSKITE; TEM; TEMPERATURE; DIFFRACTION; BEHAVIOR;

D O I：

10.1016/j.jeurceramsoc.2016.02.031

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：

A comprehensive global and local structural characterization using X-ray and neutron diffraction, and EXAFS have been performed to investigate the effect of electrical poling on the structure of (1-x)Na0.5Bi0.5TiO3-(x)K0.5Bi0.5TiO3 compositions. While the annealed samples showed definite indication of presence of local displacive disorders in all the compositions studied (0 <x <0.3), this disorder persisted to some extent even after poling the samples. The tendency of electric field to reduce the local displacive disorder decreased with increasing K0.5Bi0.5TiO3 content in the samples. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：1961 / 1972

页数：12

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