Structural and Electrical Properties of Barium Strontium Titanate Thin Film on Conductive La1-x Srx MnO3 Bottom Layer
MIAO Jun, CHEN Wei-Ran, CHEN Bin, YANG Hao, PENG Wei, ZHONG Jian-Pin, WU Hao, YUAN Jie, XU Bo, QIU Xiang-Gang, CAO Li-Xin, ZHAO Bai-Ru
National Laboratory for Superconductivity, Institute of Physics, Chinese Academy of Sciences, Beijing 100080
Structural and Electrical Properties of Barium Strontium Titanate Thin Film on Conductive La1-x Srx MnO3 Bottom Layer
MIAO Jun;CHEN Wei-Ran;CHEN Bin;YANG Hao;PENG Wei;ZHONG Jian-Pin;WU Hao;YUAN Jie;XU Bo;QIU Xiang-Gang;CAO Li-Xin;ZHAO Bai-Ru
National Laboratory for Superconductivity, Institute of Physics, Chinese Academy of Sciences, Beijing 100080
关键词 ：
77.55.+f ,
77.22.-d ,
72.20.-i
Abstract ： Ferroelectrics and colossal magnetoresistance heterostructure Ba1-x Srx TiO3 (BST)/La1-x Srx MnO3 (LSMO) have been fabricated on a LaAlO3 substrate by the pulse laser deposition method. The dielectric measurements show that at room temperature and 100 kHz, the dielectric constant and loss tangent are about 990 and 0.012, respectively; the highest tunability is about 45 % near 200 K under the applied electric field of 200 kV/cm. Further study indicates that the leakage current for the BST/LSMO heterostructure obeys the Schottky emission mechanism in the electric field region higher than 100 kV/cm at room temperature.
Key words ：
77.55.+f
77.22.-d
72.20.-i
出版日期: 2004-06-01
:
77.55.+f
77.22.-d
(Dielectric properties of solids and liquids)
72.20.-i
(Conductivity phenomena in semiconductors and insulators)
引用本文:
MIAO Jun;CHEN Wei-Ran;CHEN Bin;YANG Hao;PENG Wei;ZHONG Jian-Pin;WU Hao;YUAN Jie;XU Bo;QIU Xiang-Gang;CAO Li-Xin;ZHAO Bai-Ru. Structural and Electrical Properties of Barium Strontium Titanate Thin Film on Conductive La1-x Srx MnO3 Bottom Layer
[J]. 中国物理快报, 2004, 21(6): 1139-1142.
1-x Srx MnO3 Bottom Layer
. Chin. Phys. Lett., 2004, 21(6): 1139-1142.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2004/V21/I6/1139
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