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Oscillatory ferromagnetic interlayer coupling in [Pt(5 Å)/Co(4 Å)]3/Cr(x Å)/[Co(4 Å)/Pt(12 Å)]3 multilayers with perpendicular anisotropy |
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| Authors: | Z.Y. Liu G.H. Yu G. Han Z.C. Wang |
| Affiliation: | 1. Key Laboratory of Metastable Materials Science and Technology, College of Materials Science and Engineering, Yanshan University, Qinhuangdao 066004, China;2. Department of Materials Physics, University of Science and Technology Beijing, Beijing 100083, China;3. School of Electrical Engineering, Shandong University, Jinan 250014, China |
| Abstract: | Investigation has been performed on the interlayer coupling between two Co/Pt multilayers with perpendicular anisotropy separated by Cr spacers. As a function of the Cr spacer thickness, only ferromagnetic interlayer coupling has been observed between the two Co/Pt multilayers in contrast to the oscillatory interlayer coupling between ferromagnetic and antiferromagnetic observed in ferromagnetic layers with in-plane anisotropy separated by Cr spacers. It is the strength of the ferromagnetic interlayer coupling that has been observed to be oscillatory as a function of the Cr spacer thickness with a period of about 7 Å. |
| Keywords: | Interlayer coupling Perpendicular anisotropy Oscillatory |
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