Generalized spin-orbit torques in two-dimensional ferromagnets with spin-orbit coupling
文献类型：期刊论文
| 作者 | Yang, C; Wang, ZC; Zheng, QR; Su, G1 |
| 刊名 | EUROPEAN PHYSICAL JOURNAL B
 |
| 出版日期 | 2019 |
| 卷号 | 92期号:6页码:136 |
| 关键词 | BOLTZMANN-EQUATION RESONANCE |
| ISSN号 | 1434-6028 |
| DOI | 10.1140/epjb/e2019-100147-y |
| 英文摘要 | Based on the spinor Boltzmann equation, we obtain the continuity equations of charge and spin accumulation in two-dimensional ferromagnets with Rashba or Dresselhaus spin-orbit coupling, in which the spin diffusion equation (the continuity equation of spin accumulation) gives the spin-orbit torques that have an extra term of charge density gradient that is paid little attention in previous studies. Numerical results indicate this term plays an important role in inhomogeneous systems. In order to study the magnetization dynamics of ferromagnets, we solve the Landau-Lifshitz-Gilbert equation together with the spin diffusion equation. Our results indicate that the magnetization in systems with Rashba SOI is easier to be switched by an external electric field than the system with Dresselhaus SOI, and for anisotropic ferromagnets, we study the critical external electric field that manipulate the reversal of magnetization. |
| 学科主题 | Physics |
| 语种 | 英语 |
| 源URL | [http://ir.itp.ac.cn/handle/311006/23412]  |
| 专题 | 理论物理研究所_理论物理所1978-2010年知识产出 |
| 作者单位 | 1.Univ Chinese Acad Sci, Sch Phys Sci, Beijing 100049, Peoples R China 2.Univ Chinese Acad Sci, CAS Ctr Excellence Topol Quantum Computat, Kavli Inst Theoret Phys, Beijing 100190, Peoples R China |
| 推荐引用方式 GB/T 7714 | Yang, C,Wang, ZC,Zheng, QR,et al. Generalized spin-orbit torques in two-dimensional ferromagnets with spin-orbit coupling[J]. EUROPEAN PHYSICAL JOURNAL B,2019,92(6):136. |
| APA | Yang, C,Wang, ZC,Zheng, QR,&Su, G.(2019).Generalized spin-orbit torques in two-dimensional ferromagnets with spin-orbit coupling.EUROPEAN PHYSICAL JOURNAL B,92(6),136. |
| MLA | Yang, C,et al."Generalized spin-orbit torques in two-dimensional ferromagnets with spin-orbit coupling".EUROPEAN PHYSICAL JOURNAL B 92.6(2019):136. |
入库方式： OAI收割
来源：理论物理研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。