Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
5492195 | Physica B: Condensed Matter | 2017 | 14 Pages |
Abstract
In this paper, the resistivity and magnetization of orientation-engineered layered perovskite La1.3Sr1.7Mn2O7 epitaxial thin films have been investigated. Epitaxial thin films were deposited on single-crystalline LaAlO3 (LAO) (001), (110) and (111) substrates by pulse laser deposition (PLD) technique. It is found that only the (100)-oriented thin film performs insulator behavior, whereas the (110) and (111)-oriented thin films exhibit obvious metal-insulator transition at 70Â K and between 85 and 120Â K, respectively. Moreover, the same spin freezing temperature and different spin-glass-like transition temperatures have been observed in various oriented films. The observed experimental results were discussed according to the electron-transport mechanism and spin dynamics.
Related Topics
Physical Sciences and Engineering
Physics and Astronomy
Condensed Matter Physics
Authors
Li-Wei Niu, Bing Guo, Chang-Le Chen, Bing-Cheng Luo, Xiang-Lei Dong, Ke-Xin Jin,