基于微磁学模拟方法研究了磁纳米膜末端形状对自旋波模式特性的影响.获得了多种不同的局域化、量子化自旋波模式特性,以及末端形状对自旋波模式特性的调制规律.通过裁剪纳米膜的末端形状可有效调控边缘模式自旋波特性,存在一临界裁剪参数h0.当裁剪度h＜h0时,随着h的增大,边缘模式频率快速增加,局域于磁薄膜两末端的磁振荡区域向中央扩展.当h≥h0时,局域于磁薄膜两末端磁振荡在磁体中央合并为一致振荡模式自旋波,边缘模式被抑制.薄膜末端边缘形状对别的自旋波模式特性影响较小.最后,基于近似色散关系理论模型对研究结果进行了解释.
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