Large Tunability of Physical Properties of Manganite Thin Films by Epitaxial Strain
WEI Wen-Gang1,2 , WANG Hui1 , ZHANG Kai1 , LIU Hao1 , KOU Yun-Fang1 , CHEN Jin-Jie1 , DU Kai1 , ZHU Yin-Yan1 , HOU Deng-Lu2 , WU Ru-Qian1 , YIN Li-Feng1,3** , SHEN Jian1,3**
1 State Key Laboratory of Surface Physics and Department of Physics, Fudan University, Shanghai 2004332 College of Physics Science and Information Engineering, Hebei Normal University, Shijiazhuang 0500243 Collaborative Innovation Center of Advanced Microstructures, Nanjing 210093
Abstract ：Physical properties of strongly correlated manganites are known to depend sensitively on lattice parameters. We show that in thin film form, the magnetic and transport properties of manganites can be tuned in a wide range using epitaxial strain. Specifically, by systematically varying the strain from negative to positive, we have observed 65%, ?33%, 650%, and ?17% changes for the saturation magnetization field Hs , saturation magnetization Ms , resistivity, and metal-insulator transition temperature. We explain these results with density functional theory calculations.
收稿日期: 2015-03-27
出版日期: 2015-09-02
:
75.47.Lx
(Magnetic oxides)
75.30.Gw
(Magnetic anisotropy)
75.70.-i
(Magnetic properties of thin films, surfaces, and interfaces)
引用本文:
. [J]. 中国物理快报, 2015, 32(08): 87504-087504.
链接本文:
https://cpl.iphy.ac.cn/CN/10.1088/0256-307X/32/8/087504
或
https://cpl.iphy.ac.cn/CN/Y2015/V32/I08/87504
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