The magnetization reversal process of nano-size rectangle-shaped NiFe film elements with different aspect ratios have been investigated under the orthogonally applied magnetic fields by micromagnetic simulation. Different magnetization reversal modes can appear depending on whether the bias field is applied or not. When there is no bias field, double "C" state is the initial reversal state. However, when there is a bias field, "S" state is the starting mode. The larger the aspect ratio is, the larger the switching field is. But, when the aspect ratio is larger than 3, the increase of the switching field ceases. These results can provide useful information to the application of the patterned NiFe film with rectangular elements.
参考文献
| [1] | M Bode;A Wachowiak;J Wiebe;A Kubetzka,M Morgenstern,R Wiesendanger .[J].Applied Physics Letters,2004,84:6. |
| [2] | J M Garcea;A Thiavillea;J Miltata;K J Kirkb,J N Chapman .[J].Journal of Magnetism and Magnetic Materials,2002,242-245:1264. |
| [3] | J R Hoinville .[J].IEEE Transactions on Magnetics,2001,37:1254. |
| [4] | M Donahue;D Porter .[OL].http://math nist gov/oommf/ |
| [5] | J Guo;M B A Jalil .[J].Journal of Magnetism and Magnetic Materials,2004,272-276:722. |
| [6] | Y Zhai;J Li;Y Yan;X Y Zhang .[J].Journal of Applied Physics,2003,93:7598. |
| [7] | T Schrefl;J Fidler;J N Chapman;K J Kirk .[J].Journal of Applied Physics,2001,89:7000. |
| [8] | H Miyatake;T Sunaga;H Umezaki;H Asano .[J].IEEE Transactions on Magnetics,2004,40:1723. |
| [9] | A Hubert;R Schaefer.Magnetic Domains: The Analysis of Magnetic Microstructures[M].Heidelberg:Springer-Verlag,1998:208. |
| [10] | Y Zhai .[D].东南大学,2003. |
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