共振磁声开关：瑞利波频率与波矢的影响
材料科学
2018-06-13 v1
摘要
我们在面内磁化薄膜上表明，利用沿难磁轴或易磁轴传播的大振幅瑞利波，可将磁化高效地翻转 180 度。在后一种情况下形成了巨大的特征细丝状畴。微磁模拟清楚地证实，这种多畴构型与共振进动机制相容。在两种几何中，反转畴的面积均为数百 ，远大于利用自旋转移矩或场驱动进动开关所展示的。我们表明表面声波在寻址给定区域前至少可传播 1mm，并且可发生干涉以产生能以亚微米精度定位的磁条带。
引用
@article{arxiv.1802.10318,
title = {Resonant magneto-acoustic switching: influence of Rayleigh wave frequency and wavevector},
author = {Piotr Kuszewski and Ibrahima S. Camara and Nicolas Biarrotte and Loic Becerra and Jürgen von Bardeleben and A. Lemaître and Catherine Gourdon and Jean-Yves Duquesne and Laura Thevenard},
journal= {arXiv preprint arXiv:1802.10318},
year = {2018}
}
备注
Movies can be found at the following link: https://www.dropbox.com/sh/frdels1bibcgw80/AADWgqp8W8T7UHKRY0Yrazoya?dl=0. This article has been submitted to the special "Magneto-elastic effects" issue of the Journal of Physics of Condensed Matter