Segregation particles induced ultrahigh energy storage performances in BiMnO3 modified BaTiO3 films

被引：30
作者：
Guo, Fei [1 ,2 ]
Jiang, Ning [1 ,2 ]
Yang, Bo [1 ,3 ]
Zhao, Shifeng [1 ,2 ]
机构：
[1] Inner Mongolia Univ, Inner Mongolia Key Lab Nanosci & Nanotechnol, Hohhot 010021, Peoples R China
[2] Inner Mongolia Univ, Sch Phys Sci & Technol, Hohhot 010021, Peoples R China
[3] Inner Mongolia Univ, Coll Comp Sci, Hohhot 010021, Peoples R China
来源：
APPLIED PHYSICS LETTERS | 2019年 / 114卷 / 25期
基金：
中国国家自然科学基金;
关键词：
DENSITY;
D O I：
10.1063/1.5099926
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Lead-free BiMnO3 modified BaTiO3 solid solution films are prepared by Sol-gel methods. An ultrahigh energy storage density of 94.1J/cm(3) and an efficiency of 84.51% are obtained, together with excellent frequency and thermal stability, in 0.92BaTiO(3)-0.08BiMnO(3) solid solution films. The Jujube-Cake structure of the segregation particles in the films is suggested to improve the electric insulation, breakdown strength, and the maximum polarization, which are the key factors for energy storage performances in relaxor ferroelectrics. This work opens a route to improve the energy storage performances in solid solution films.
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页数：5
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