Effect of the Substrate Orientation on the Transport Properties
of La0.67 Sr0.33 MnO3 Epitaxial Films
PI Li, ZHU Hong, XU Xiao-Jun, ZHANG Yu-Heng
Structure Research Laboratory, University of Science and
Technology of China, Hefei 230026
Effect of the Substrate Orientation on the Transport Properties
of La0.67 Sr0.33 MnO3 Epitaxial Films
PI Li;ZHU Hong;XU Xiao-Jun;ZHANG Yu-Heng
Structure Research Laboratory, University of Science and
Technology of China, Hefei 230026
关键词 ：
75.30.Mb ,
75.70.-i ,
75.30.Kz
Abstract ： The transport properties of La0.67 Sr0.33 MnO3 (LSMO) epitaxial films on differently orientated LaAlO3 substrates have been studied. The as-deposited films with different orientation exhibit different transport behaviours. The resistivity of the films on the (100) and (110) substrates undergoes a metal--insulator transition while the resistivity of the film on the (111) substrate is insulator-like. This is attributed to the discrepancy of oxygen deficiency in the samples which is influenced by the lattice mismatch between the film and the substrate. After being annealed at 700°C in 1-atm flowing pure oxygen for half an hour, all films have the same resistivity behaviour as the bulk LSMO, which may be important for future applications.
Key words ：
75.30.Mb
75.70.-i
75.30.Kz
出版日期: 2001-01-01
:
75.30.Mb
(Valence fluctuation, Kondo lattice, and heavy-fermion phenomena)
75.70.-i
(Magnetic properties of thin films, surfaces, and interfaces)
75.30.Kz
(Magnetic phase boundaries (including classical and quantum magnetic transitions, metamagnetism, etc.))
引用本文:
PI Li;ZHU Hong;XU Xiao-Jun;ZHANG Yu-Heng
. Effect of the Substrate Orientation on the Transport Properties
of La0.67 Sr0.33 MnO3 Epitaxial Films
[J]. 中国物理快报, 2001, 18(1): 111-113.
0.67 Sr0.33 MnO3 Epitaxial Films
. Chin. Phys. Lett., 2001, 18(1): 111-113.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2001/V18/I1/111
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2001, Vol. 18 
