Enhanced energy storage properties of NaNbO3 and SrZrO3 modified Bi0.5Na0.5TiO3 based ceramics

被引：117

作者：

Liu, Zicheng ^{[1
]}

Ren, Pengrong ^{[1
]}

Long, Changbai ^{[2
]}

Wang, Xin ^{[3
]}

Wan, Yuhui ^{[1
]}

Zhao, Gaoyang ^{[1
]}

机构：

[1] Xian Univ Technol, Sch Mat Sci & Engn, Shaanxi Prov Key Lab Elect Mat & Infiltrat Techno, Xian 710048, Peoples R China

[2] Air Force Engn Univ, Aeronaut & Astronaut Engn Coll, Sci & Technol Plasma Dynam Lab, Xian 710038, Peoples R China

[3] Xian Technol Univ, Sch Photoelect Engn, Shaanxi Prov Thin Film Technol & Opt Test Open Ke, Xian 710032, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2017年 / 721卷

基金：

中国国家自然科学基金;

关键词：

Bi0.5Na0.5TiO3; Ferroelectric; Energy storage; Temperature stability; LEAD-FREE; PHASE-TRANSITIONS; FERROELECTRIC PROPERTIES; DIELECTRIC-PROPERTIES; DENSITY; FILM;

D O I：

10.1016/j.jallcom.2017.05.162

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The (0.9-x)[0.92Bico(0.5)Na0,3TiO(3)-0.08BaTiO(3)]-xSrZrO(3)-0.10NaNbO(3) (x. = 0, 0.02, 0.04, 0.06, 0.08, 0.10, abbreviated as BNTBT-100xSZ-NN) lead-free ferroelectric ceramics were prepared by conventional solid state reaction method. XRD Rietveld refinement indicates that R3c and P4bm phases coexist in the sample, while P4bm weakly polar phase accounts for a large proportion of 90%. BNT-100xSZ-NN shows broad permittivity peaks in the epsilon'-T curves. Slim P-E ferroelectric hysteresis loops are obtained due to the long range of ferroelectric order broken by the addition of SrZrO3 and NaNbO3 as well as the enhancement of the weakly polar region. The excellent energy storage properties are obtained at the composition of x = 0.08, which has high energy storage density of 0.95 J/cm(3) at the electric field of 110 kV/cm and small variation (7%) in the temperature range of 25-175 (C) 2017 Elsevier B.V. All rights reserved.

引用

页码：538 / 544

页数：7

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