Microwave-assisted three-dimensional multilayer magnetic recording
Microwave-assisted three-dimensional multilayer magnetic recording
复制标题
DOI：
10.1063/1.3152293
复制
发表时间：
2009-06
影响因子：
4
通讯作者：
G. Winkler;D. Suess;Jehyun Lee;J. Fidler;M. A. Bashir;J. Dean;A. Goncharov;G. Hrkac;S. Bance;T. Schrefl
中科院分区：
文献类型：
--
作者：
G. Winkler;D. Suess;Jehyun Lee;J. Fidler;M. A. Bashir;J. Dean;A. Goncharov;G. Hrkac;S. Bance;T. Schrefl
层选择性写入的两个层位图案化的介质进行微磁有限元模拟证明。选择性是通过控制在千兆赫范围内的振荡磁场的频率来实现的，除了头场之外还施加振荡磁场。提出了通过靠近单极头尖端的导线产生微波场的方法。来自交流电的奥斯特场在极尖中感应磁振荡，这产生叠加到垂直写入场的高频场。交流场分量的幅度在0.1 T的量级。
Layer-selective writing of two layer bit patterned media is demonstrated by performing micromagnetic finite element simulations. Selectivity is achieved by controlling the frequency of an oscillating magnetic field in the gigahertz range, applied in addition to the head field. Generation of the microwave field by means of a wire next to the tip of a single pole head is proposed. The Oersted field from the alternating current induces magnetic oscillations in the pole tip which create a high frequency field that is superimposed to the perpendicular write field. The amplitude of the ac field component is in the order of 0.1 T.