Tailoring the properties of artificially layered ferroelectric superlattices

被引：159
作者：
Dawber, Matthew [1 ]
Stucki, Nicolas [1 ]
Lichtensteiger, Celine [1 ]
Gariglio, Stefano [1 ]
Ghosez, Philippe [2 ]
Triscone, Jean-Marc [1 ]
机构：
[1] Univ Geneva, DPMC, CH-1211 Geneva 4, Switzerland
[2] Univ Liege, B-4000 Sart Tilman Par Liege, Belgium
来源：
ADVANCED MATERIALS | 2007年 / 19卷 / 23期
关键词：
D O I：
10.1002/adma.200700965
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The polarization of PbTiO3/SrTiO3 superlattices is experimentally tuned from 0-60 mu C/cm(-2) and the transition temperature from room temperature to 1000 K while maintaining a perfect crystal structure and low leakage currents (see figure). A simple model based on Landau theory is developed as a guide for the straightforward production of samples with ferroelectric properties designed for particular applications.
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收藏
页码：4153 / +
页数：8
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