Leakage current transport mechanisms of La0.67Sr0.33MnO3/BaTiO3 bilayer films grown on Nb:SrTiO3

被引：0
|
作者：
PAN RUIKUN
LIU PANKE
LI MINGKAI
TAO HAIZHENG
LI PAI
HE YUNBIN
机构：
[1] Hubei University,Key Laboratory of Green Preparation & Application for Functional Materials, Ministry of Education, Faculty of Materials Science & Engineering
[2] Wuhan University of Technology,State Key Laboratory of Silicate Materials for Architectures
来源：
Bulletin of Materials Science | 2015年 / 38卷
关键词：
La; Sr; MnO; /BaTiO; films; leakage current transport mechanism; Schottky barrier;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
La0.67Sr0.33MnO3/BaTiO3(LSMO/BTO) bilayer films were epitaxially grown on Nb:SrTiO3 (NSTO) substrates by the pulsed laser deposition technique. Current–voltage (I–V) characteristics of the LSMO/BTO bilayer films were studied. I–V curves were measured at room temperature, which show rectifying behaviour and can be well fitted by the space-charge-limited current mechanism under forward bias while thermionic emission model under reverse bias. Analysis indicates that a modulating Schottky barrier exists at the LSMO/BTO interface, which dominates the leakage current transport properties of LSMO/BTO bilayer films.
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页码：725 / 729
页数：4
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