Strain relaxation in Bi0.9Pb0.1FeO3/SrRuO3/SrTiO3 heterostructures

被引：1
|
作者：
Bohra, Murtaza [1 ]
Wu, C. P. [1 ]
Yeh, H. J. [1 ]
Chou, H. [1 ]
机构：
[1] Natl Sun Yat Sen Univ, Dept Phys, Kaohsiung, Taiwan
来源：
JOURNAL OF APPLIED PHYSICS | 2012年 / 111卷 / 07期
关键词：
D O I：
10.1063/1.3671791
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The magnetic and crystalline properties of Bi0.9Pb0.1FeO3/SrRuO3(100 nm)/SrTiO3 heterostructures with different thickness of Bi0.9Pb0.1FeO3 (80-400 nm) are studied. The heterostructure undergoes a strain relaxation at each interface. Surprisingly, the crystal lattice of the bottom SrRuO3 layer can be manipulated by the top Bi0.9Pb0.1FeO3 layer, with its unit cell volume shrinking for a thicker top Bi0.9Pb0.1FeO3 layer. The magnetic properties of the bottom SrRuO3 layer seem independent of the change of its crystal structure. These extraordinary phenomena can be ascribed to the inter-diffusion of Bi and Pb ions of the top Bi0.9Pb0.1FeO3 layer into the bottom SrRuO3 layer and substrate. (C) 2012 American Institute of Physics. [doi:10.1063/1.3671791]
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页数：3
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