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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Mizukami, S. Watanabe, D. Kubota, T. Zhang, X. Naganuma, H. Oogane, M. Ando, Y. Miyazaki, T. |
| Copyright Year | 1965 |
| Abstract | Fast precessional dynamics of magnetization are reported in very thin films of CoCrPt alloy with large perpendicular magnetic anisotropy. The films are fabricated with different substrate temperatures, and magnetization dynamics are investigated using time-resolved magneto-optical Kerr effect. The Kittel's equation well describes a dependency of magnetization precession frequency on an applied magnetic field direction for all the films, only when the field is relatively large. An inverse lifetime of magnetization precession, a counterpart of a line width in ferromagnetic resonance (FMR), depends strongly on the field direction even at the applied field of around 10 kOe. The Gilbert damping constant α is estimated to be ~0.05 for all the films using a model taking account of an influence of perpendicular magnetic anisotropy dispersion. |
| Sponsorship | IEEE Magnetics Society |
| Starting Page | 3897 |
| Ending Page | 3900 |
| Page Count | 4 |
| File Size | 297047 |
| File Format | |
| ISSN | 00189464 |
| Volume Number | 47 |
| Issue Number | 10 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2011-10-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Magnetization Magnetic resonance Magnetomechanical effects Damping Perpendicular magnetic anisotropy Metals perpendicular magnetic anisotropy (PMA) Magnetic films magnetic resonance magneto-optic Kerr effects |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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