NDLI: Spin-orbital coupling induced four-fold anisotropy distribution during spin reorientation in ultrathin Co/Pt multilayers

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Spin-orbital coupling induced four-fold anisotropy distribution during spin reorientation in ultrathin Co/Pt multilayers

Content Provider	Semantic Scholar
Author	Yang, Qu Wang, Xin-Jun Peng, Bin Li, Chunlei Zhou, Ziyao Yan, Yuan Zhou, Hongtao Zhang, Yijun Zhao, Shishun Ye, Zuo-Guang Sun, Nian X. Liu, Minggang
Copyright Year	2017
Abstract	In this work, we synthesized (Co(t)/Pt)3 multilayers and quantitatively determined thickness and temperature dependence of spin reorientation transition (SRT) and perpendicular magnetic anisotropy (PMA) using ferromagnetic resonance measurement. The critical thickness for PMA switching as well as tremendous magnetic anisotropy change up to 645 Oe once the temperature varies from 25 °C to −153 °C are demonstrated. More interestingly, a four-fold symmetry of magnetic anisotropy was found to be prominent during the SRT. By conducting magnetic simulation with involving high order energy term, we highly related this phenomenon to the strong spin-orbital coupling, which is considered to be the major energy term to tip the balance between the surface anisotropy and shape anisotropy. These results provide an opportunity for better understanding the transition behaviors which is essential for PMA structure preparation and their related devices.
Starting Page	022403
Ending Page	022403
Page Count	1
File Format	PDF HTM / HTML
DOI	10.1063/1.4973884
Volume Number	110
Alternate Webpage(s)	https://doc-00-a8-docs.googleusercontent.com/docs/securesc/ha0ro937gcuc7l7deffksulhg5h7mbp1/v3bluvvbhq95s6mdr0lotb1nubdrusro/1558620000000/08533509026574676727/*/0B6pv8sZJWjaIU2E3YlJjTUtwaHM?e=download
Alternate Webpage(s)	https://doi.org/10.1063/1.4973884
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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