Analysis of the spin polarization of secondary electrons emitted from ferromagnetic materials
Analysis of the spin polarization of secondary electrons emitted from ferromagnetic materials
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DOI：
10.1002/sia.2136
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发表时间：
2006-04
影响因子：
1.7
通讯作者：
X. Sun;Z. Ding;Y. Yamauchi
中科院分区：
文献类型：
--
作者：
X. Sun;Z. Ding;Y. Yamauchi
本文发展了一个研究磁性材料中二次电子自旋极化的蒙特卡罗模型。模拟中考虑了产生的二次电子的自旋方向，并引入自旋相关的上自旋和下自旋电子的非弹性平均自由程来追踪二次电子.在模拟极化和实验数据之间，可以发现能量分布，包括在低能量下的增强和在较高能量下的二次电子能量区的精细结构，有很好的一致性。模拟的初级能量依赖的自旋极化也被发现同意合理的实验数据。版权所有© 2006约翰威利父子有限公司.
A Monte Carlo model has been developed to study the spin polarization of secondary electrons emitted from magnetic materials. The spin direction of the generated secondary electrons is considered, and the spin‐dependent inelastic mean free paths for spin‐up and spin‐down electrons are introduced to trace the secondary electrons in the simulation. Good agreement with respect to the energy distribution, including the enhancement at low energy and fine structure at higher energies in the secondary electron energy regime, can be found between the simulated polarization and the experimental data. The simulated primary energy dependence of the spin polarization is also found to agree reasonably well with the experimental data. Copyright © 2006 John Wiley & Sons, Ltd.