Barman, A., Kruglyak, V., Hicken, R.J., Kundrotaite, A. and Rahman, M. (2004) Shape-dependent anisotropy and damping of picosecond magnetisation dynamics in a micron sized Ni81Fe19 element. Journal of Magnetism and Magnetic Materials, 272, pp. 2121-2122. (doi: 10.1016/j.jmmm.2003.12.1364)
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Abstract
We have observed a four-fold variation of the anisotropy and damping of the magnetisation precession in a square Ni81Fe19 element of 10 μm length by time-resolved scanning Kerr-effect microscopy. The measured frequencies are interpreted with the aid of a coherent rotation model, while micromagnetic modelling is used to understand the dynamic magnetic images and hence the variation of the damping.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | UNSPECIFIED |
| Authors: | Barman, A., Kruglyak, V., Hicken, R.J., Kundrotaite, A., and Rahman, M. |
| College/School: | College of Science and Engineering > School of Physics and Astronomy |
| Journal Name: | Journal of Magnetism and Magnetic Materials |
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