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| Perpendicular exchange bias of (Pt/Co)_n/FeMn multilayers | |
| 作者姓名： | Zhonghai Zhai Yang liu Jiao Teng Baohe Li Guanghua Yu and Fengwu Zhu Materials Science and Engineering School University of Science and Technology Beijing Beijing China College of Science Shenyang Jianzhu University Shenyang China |
| 作者单位： | Zhonghai Zhai1，2)，Yang liu1)，Jiao Teng1)，Baohe Li1，3)，Guanghua Yu1)，and Fengwu Zhu1) 1) Materials Science and Engineering School，University of Science and Technology Beijing，Beijing 100083，China 2) College of Science，Shenyang Jianzhu University，Shenyang 110168，China 3) Department of Mathematics and Physics，Beijing Technology and Business University，Beijing 100037，China |
| 基金项目： | This work was financially supported by the National Natural Science Foundation of China (No.50471093)，the Science Founda-tion of Beijing (No.2052014) |
| 摘 要： | (Pt/Co)n/FeMn multilayers with perpendicular anisotropy (PA) were prepared by magnetron sputtering with Pt as the buffer layer and the capping layer. The dependence of perpendicular exchange bias (PEB), Hex, on the thickness of the FeMn antiferromagnet (AFM) layer is similar to that of in-plane exchange bias. The value of Hex for the (Pt/Co)3/FeMn multilayer reaches 22.3 kA/m. A thin Pt spacer was inserted between the Co/FeMn interface to enhance PEB. The PEB reaches the largest at 39.8 kA/m when the thickness of the Pt spacer is 0.4 nm. |
Perpendicular exchange bias of (Pt/Co)_n/FeMn multilayers |
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| Zhonghai Zhai,,Yang liu,Jiao Teng,Baohe Li,,Guanghua Yu,and Fengwu Zhu Materials Science and Engineering School,University of Science and Technology Beijing,Beijing ,China College of Science,Shenyang Jianzhu University,Shenyang ,China .Perpendicular exchange bias of (Pt/Co)_n/FeMn multilayers[J].Journal of University of Science and Technology Beijing,2007,14(6). | |
| Authors: | Zhonghai Zhai Yang liu Jiao Teng Baohe Li Guanghua Yu Fengwu Zhu |
| Affiliation: | 1. Materials Science and Engineering School, University of Science and Technology Beijing, Beijing 100083, China;College of Science, Shenyang Jianzhu University, Shenyang 110168, China 2. Materials Science and Engineering School, University of Science and Technology Beijing, Beijing 100083, China 3. Materials Science and Engineering School, University of Science and Technology Beijing, Beijing 100083, China;Department of Mathematics and Physics, Beijing Technology and Business University, Beijing 100037, China |
| Abstract: | (Pt/Co)n/FeMn multilayers with perpendicular anisotropy (PA) were prepared by magnetron sputtering with Pt as the buffer layer and the capping layer. The dependence of perpendicular exchange bias (PEB), Hex, on the thickness of the FeMn antiferromagnet (AFM) layer is similar to that of in-plane exchange bias. The value of Hex for the (Pt/Co)3/FeMn multilayer reaches 22.3 kA/m. A thin Pt spacer was inserted between the Co/FeMn interface to enhance PEB. The PEB reaches the largest at 39.8 kA/m when the thickness of the Pt spacer is 0.4 nm. |
| Keywords: | exchange bias perpendicular anisotropy texture multilayers |
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