Ruddlesden-Popper planar faults and nanotwins in heteroepitaxial nonstoichiometric barium titanate thin films

被引：50

作者：

Suzuki, T ^{[1
]}

Nishi, Y ^{[1
]}

Fujimoto, M ^{[1
]}

机构：

[1] Taiyo Yuden Co Ltd, Gunma 3703347, Japan

来源：

JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2000年 / 83卷 / 12期

关键词：

D O I：

10.1111/j.1151-2916.2000.tb01702.x

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：

Nonstoichiometric 10-mol%-escess-BaO-BaTiO3 (Ba1.1TiO3.1) thin film grown on a (100) SrTiO3 substrate consisted of heteroepitaxial c-asis-oriented BaTiO3 perovskite crystals including Ruddlesden-Popper planar faults and nanometer-scale multiple (111) twin lamellae. High-resolution electron microscopy and electron energy-loss spectroscopy revealed that nanotwins with coherent (111) Sigma3 coincident site lattice boundaries were terminated in the BaTiO3 matrix to form incoherent (211) Sigma3 boundaries accommodating excess barium ions. Both Ruddlesden-Popper planar fault and incoherent (211) boundary formation were proposed as possible accommodation mechanisms of excess barium ions in the perovskite film.

引用

页码：3185 / 3195

页数：11

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