Epitaxial growth and electrical transport properties of La0.5Sr0.5Co03 thin films prepared by pulsed laser deposition

被引:0
|
作者
Meiya Li
Guangcheng Xiong
Zhonglie Wang
Shoushan Fan
Qingtai Zhao
Kuixun Lin
机构
[1] Shantou University,Science Center
[2] Peking University,Department of Physics
[3] Peking University,Microelectronic Institute
[4] Tsinghua University,Department of Physics
来源
Science in China Series A: Mathematics | 1999年 / 42卷
关键词
epitaxial growth; pulsed laser deposition; La; Sr; Co0; thin film; electrical transport properties;
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学科分类号
摘要
Epitaxial growth of the La0.5Sr0.53(LO) thin films has been realized on Lin3, SrTiC3 and MgO substrates by pulsed laser deposition. The epitaxial growth behavior and the electrical transport properties of these films were studied systematically. The temperature dependencies of the resistivity of the film have been determined. Studies indicate that close dependencies exist between the crystal structures and the electrical transport properties of the epitaxial LSCO films, and that the epitaxial thin films are of low resistivity and metallic conductive features. The epitaxial films deposited on the LaA103 substrates at about 700 °C possess the optimal properties compared with the others. Discussions of the dependencies and the mechanisms of the epitaxial structures on the electrical transport properties of the LSCO films have been made.
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页码:865 / 872
页数:7
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