Giant dielectric permittivity observed in Pb-based perovskite ferroelectrics

被引:157
作者
Kim, BG [1 ]
Cho, SM [1 ]
Kim, TY [1 ]
Jang, HM [1 ]
机构
[1] Pohang Univ Sci & Technol, Dept Mat Sci & Engn, Nam Gu, Pohang 790784, South Korea
关键词
D O I
10.1103/PhysRevLett.86.3404
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Giant dielectric permittivity was observed in La-modified PbTiO3 (PLT) with A-site vacancy. The observed values of PLT with A-site vacancy are 1 order of magnitude larger than those of relaxor ferroelectrics. The giant relative dielectric permittivity, coupled with a low dielectric loss (tan delta approximate to 0.03) of the PLT, potentially makes it one of the most promising materials for numerous modem technological applications.
引用
收藏
页码:3404 / 3406
页数:3
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