Large remanent polarization in ferroelectric BiFeO3-PbTiO3 thin films on Pt/Si substrates

被引：71

作者：

Khan, Mikael A. ^{[1
]}

Comyn, Tim P. ^{[1
]}

Bell, Andrew J. ^{[1
]}

机构：

[1] Univ Leeds, Inst Mat Res, Leeds LS2 9JT, W Yorkshire, England

来源：

APPLIED PHYSICS LETTERS | 2007年 / 91卷 / 03期

关键词：

D O I：

10.1063/1.2759256

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Bismuth ferrite-lead titanate thin films in the region of the morphotropic phase boundary, with compositions of (1-x)BiFeO3-xPbTiO(3) (0.3 < x < 0.5), were prepared by pulsed laser deposition on Pt/Si substrates. X-ray diffraction confirmed the formation of pure perovskite phase at a substrate temperature of 565 degrees C under 75 mTorr of oxygen. The films exhibit remanent polarizations with 2P(r) up to 100 mu C cm(-2) for a field amplitude of 820 kV cm(-1) and switchable polarization up to 80 mu C cm(-2). (C) 2007 American Institute of Physics.

引用

页数：3

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