Thermopower study of electron-doped La2-xCexCuO4 films

被引：2
|
作者：
Zhao, L. [1 ,2 ]
Liu, G. D. [1 ]
机构：
[1] Chinese Acad Sci, Inst Phys, Natl Lab Superconduct, Beijing 100080, Peoples R China
[2] Acad Sinica, Inst Phys, Taipei 11529, Taiwan
来源：
SUPERCONDUCTOR SCIENCE & TECHNOLOGY | 2010年 / 23卷 / 04期
关键词：
TRANSPORT-PROPERTIES; THIN-FILMS; SUPERCONDUCTORS; DEPENDENCE; STATE;
D O I：
10.1088/0953-2048/23/4/042001
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We investigate the temperature dependent thermopower of electron-doped La2-xCexCuO4 (LCCO) thin films at three different doping levels. The films were prepared by the dc magnetron sputtering method. Our preliminary measurements along with the corresponding results for the resistivity and Hall coefficient suggest that a two-carrier model might be suitable for describing the transport properties of LCCO as well as other reported electron-doped cuprates. The two kinds of carriers in electron-doped cuprates seem to arise from the electronic structure near the Fermi surface of the CuO2 planes, independently of the different lanthanide cations constituting them.
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页数：4
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