Magneto- and electroresistance of La0.7Sr0.3MnO3/Nb(1.0%):SrTiO3 junctions

被引：1
|
作者：
Chen, Y. F. [1 ,2 ]
Ziese, M. [3 ]
机构：
[1] Univ Elect Sci & Technol China, Chengdu 610054, Peoples R China
[2] State Key Lab Elect Thin Films & Integrated Devic, Chengdu 610054, Peoples R China
[3] Univ Leipzig, Div Superconduct & Magnetism, D-04103 Leipzig, Germany
来源：
JOURNAL OF APPLIED PHYSICS | 2009年 / 105卷 / 07期
关键词：
FIELD;
D O I：
10.1063/1.3068421
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The current-voltage characteristics and magnetotransport properties of La0.7Sr0.3MnO3/Nb(1.0%) : SrTiO3 junctions under various currents ranging from 10(-6) to 10(-3) A and different temperatures ranging from 10 to 300 K were investigated. The current-voltage curves exhibit rectifying behavior. The resistance, magnetoresistance, and electroresistance of the junctions are strongly dependent on bias-current direction, current, temperature, and magnetic field. A detailed analysis of the conductance-voltage curves showed that quantum mechanical tunneling was the dominating transport mechanism. (C) 2009 American Institute of Physics. [DOI: 10.1063/1.3068421]
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页数：3
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