Growth Mode of Superconducting La2-x Srx Cul+y O4 Thin Films on LaAIO3 Substrate
QIN Yue-ling1,2 , LIU Wei2 , DONG Xiao-li1,2 , LI Lin1,2 , ZHAO Bai-ru1,2
1 National Laboratory for Superconductivity, 2 Institute of Physics & Center for Condensed Matter Physics, Chinese Academy of Sciences, Beijing 100080
Growth Mode of Superconducting La2-x Srx Cul+y O4 Thin Films on LaAIO3 Substrate
QIN Yue-ling1,2 ;LIU Wei2 ;DONG Xiao-li1,2 ;LI Lin1,2 ;ZHAO Bai-ru1,2
1 National Laboratory for Superconductivity, 2 Institute of Physics & Center for Condensed Matter Physics, Chinese Academy of Sciences, Beijing 100080
关键词 ：
74.76.Bz ,
68.55.Jk ,
61.72.Ff
Abstract ： La2-x Srx Cul+y O4 (LSCO) thin films sputtered from a Cu-rich target on a LaAIO3 substrate showed a columnar structure. The columnar grains penetrated the full thickness of the film, nucleating at the substrate surface defects. Transmission electron microscopy revealed two kinds of lattice images: one with a lattice spacing of 0.66 nm and the other with a spacing of 0.61 nm. The 0.66 nm spacing denotes a c-axis oriented LSCO film matrix. The 0.61 nm spacing has two categories: one with short white dashes, the phase of which is not yet identified, the other with no additional structure, which could correspond to the c-axis deviated LSCO.
Key words ：
74.76.Bz
68.55.Jk
61.72.Ff
出版日期: 1998-07-01
:
74.76.Bz
68.55.Jk
61.72.Ff
(Direct observation of dislocations and other defects (etch pits, decoration, electron microscopy, x-ray topography, etc.))
引用本文:
QIN Yue-ling;LIU Wei;DONG Xiao-li;LI Lin;ZHAO Bai-ru;. Growth Mode of Superconducting La2-x Srx Cul+y O4 Thin Films on LaAIO3 Substrate[J]. 中国物理快报, 1998, 15(7): 530-532.
2-x Srx Cul+y O4 Thin Films on LaAIO3 Substrate. Chin. Phys. Lett., 1998, 15(7): 530-532.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y1998/V15/I7/530
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1998, Vol. 15 
