Electric Control of the Edge Magnetization in Zigzag Stanene Nanoribbons from First Principles
Electric Control of the Edge Magnetization in Zigzag Stanene Nanoribbons from First Principles
复制标题
从第一原理对锯齿形锡烯纳米带边缘磁化的电控制
DOI：
10.1103/physrevapplied.10.034048
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发表时间：
2017-06
影响因子：
4.6
通讯作者：
Li Xiao
中科院分区：
文献类型：
--
作者：
Qi Jingshan;Hu Kaige;Li Xiao
To learn how best to manipulate spin states in low-dimensional structures, the authors use density functional theory to study the magnetism at the edges of nanoribbons of stanene (think graphene, but made of tin, and thus featuring strong spin-orbit coupling). Based on their several findings, they propose that both magnetic anisotropy and exchange coupling can be controlled by carrier doping, for experimentally feasible gate modulation of magnetization in the nanoribbon. Further tuning by a transverse electric field would give full access to spin and valley degrees of freedom. These intriguing results offer a practical approach to energy-efficient spintronic devices.
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