Epitaxial growth and B-site cation ordering in layered double perovskite La2CuSnO6 thin films

被引：18
|
作者：
Masuno, A. [1 ]
Haruta, M. [1 ]
Azuma, M. [1 ]
Kurata, H. [1 ]
Isoda, S. [1 ]
Takano, M. [1 ]
Shimakawa, Y. [1 ]
机构：
[1] Kyoto Univ, Inst Chem Res, Uji, Kyoto 6110011, Japan
来源：
APPLIED PHYSICS LETTERS | 2006年 / 89卷 / 21期
关键词：
D O I：
10.1063/1.2396892
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Epitaxial thin films of layered double perovskite La2CuSnO6 were fabricated on (001)-oriented SrTiO3, (LaAlO3)(0.3)-(SrAl0.5Ta0.5O3)(0.7), and LaAlO3 substrates with a pulsed laser deposition method. B-site cation ordering of the layer structure can be controlled by tuning the substrate temperature during deposition. X-ray diffraction and scanning transmission electron microscopy revealed that the lattice parameters were strongly correlated with the degree of Cu/Sn ordering. The relationship between the lattice parameters and the B-site cation ordering originates in the orientation of the Jahn-Teller distorted CuO6 octahedra. (c) 2006 American Institute of Physics.
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页数：3
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