Spin filtering and spin separation in 2D materials by topological spin Hall effect
Spin filtering and spin separation in 2D materials by topological spin Hall effect
复制标题
通过拓扑自旋霍尔效应实现二维材料中的自旋过滤和自旋分离
DOI:
10.1088/1361-648x/ab926c
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发表时间:
2020
期刊:
影响因子:
--
通讯作者:
Dahnovsky, Yuri
中科院分区:
文献类型:
--
作者:
Zadorozhnyi, Andrei;Dahnovsky, Yuri
The needs of high speed performance electronic devices for various applications require novel materials and new physical phenomena. For these purposes we propose to study new physical effects based on electron scattering on magnetic skyrmions and vortices distributed in a 2D ferromagnetic material. We show that the topological spin Hall effect can be efficiently employed for the filtering, switching, and separation of spin currents. For some values of the parameters (conduction electron concentrations, and skyrmion/vortex sizes) it is possible to separate Hall currents for different electron spin projections as it is like for different carrier charges (electrons and holes) in the normal Hall effect. The calculations are performed using the Boltzmann kinetic equation for the nonequilibrium distribution function and the Lippmann–Schwinger equation for the transition matrix in the whole range of the adiabaticity parameter. The spin filtering due to the skyrmion/vortex scattering can be several orders of magnitude more efficient in the narrow range of the electron concentrations than that of the ordinary ferromagnetic spin polarization in spintronics.
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影响因子:
3.7
作者:
J. Onoe;T. Ito;S. Kimura;K. Ohno;Y. Noguchi;S. Ueda
通讯作者:
J. Onoe;T. Ito;S. Kimura;K. Ohno;Y. Noguchi;S. Ueda
影响因子:
8.6
作者:
Machida, Y.;Nakatsuji, S.;Onoda, S.
通讯作者:
Onoda, S.
影响因子:
3.7
作者:
Sergey S. Pershoguba;Sho Nakosai;and Alexander V. Balatsky
通讯作者:
and Alexander V. Balatsky
DOI:
--
发表时间:
2006
期刊:
影响因子:
--
作者:
J. Ohe;T. Ohtsuki;B. Kramer
通讯作者:
B. Kramer
影响因子:
44.1
作者:
Nagaosa, Naoto;Sinova, Jairo;Ong, N. P.
通讯作者:
Ong, N. P.