Transmission-electron-microscopy study of quasi-epitaxial tungsten-bronze (Sr2.5Ba2.5Nb10O30) thin film on perovskite (SrTO3) single crystal

被引：6

作者：

Su, Dong

Infortuna, Anna

Muralt, Paul

Setter, Nava ^{[1
]}

Cantoni, Marco

机构：

[1] Swiss Fed Inst Technol, Ceram Lab, CH-1015 Lausanne, Switzerland

[2] Swiss Fed Inst Technol, CIME, CH-1015 Lausanne, Switzerland

来源：

JOURNAL OF MATERIALS RESEARCH | 2007年 / 22卷 / 01期

关键词：

PULSED-LASER DEPOSITION; INCOMMENSURATE SUPERSTRUCTURES; SR0.6BA0.4NB2O6; GROWTH;

D O I：

10.1557/JMR.2007.0018

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Strontium barium niobate (Sr2.5Ba2.5Nb10O30) thin films were deposited on (001) SrTiO3 single-crystalline substrates by pulsed laser deposition. The growth nature was investigated by transmission electron microscopy (TEM). Selected-area electron diffraction and high-resolution transmission electron microscopy revealed the existence of six types of grains. These grains grew on the substrate in a partially epitaxial fashion. Geometrical models were built, which were confirmed by TEM observations. Based on the TEM results and geometrical analysis, a crystallographic model was developed. The strain nature resulting from the growth columns is discussed in this report.

引用

页码：157 / 163

页数：7

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