Interface-driven electrical magnetochiral anisotropy in Pt/PtMnGa bilayers
Interface-driven electrical magnetochiral anisotropy in Pt/PtMnGa bilayers
复制标题
Pt/PtMnGa 双层中界面驱动的电磁手性各向异性
DOI:
10.1063/5.0054662
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发表时间:
2020-11
影响因子:
4
通讯作者:
Jiang Y.
中科院分区:
文献类型:
--
作者:
Meng K. K.;Chen J. K.;Miao J.;Xu X. G.;Jiang Y.
Nonreciprocal charge transport, which is frequently termed as electrical magnetochiral anisotropy (EMCA) in chiral conductors, touches the most important elements of modern condensed matter physics. Here, we have investigated the EMCA in Pt/PtMnGa (PMG) bilayers with the assitance of nonequilibrium fluctuation theorems. Large EMCA in the Pt/PMG bilayers can be attributed to nonreciprocal response of an interface-driven chiral transport channel. Due to the presence of large charge fluctuations for small current region, higher order EMCA coefficients should be added and they are all functions of current. A combination of asymmetrical electron scattering and spin-dependent scattering furnish the PMG thickness dependent chiral transport behaviors in Pt/PMG bilayers. The dramatically enhanced anomalous Hall angle of PMG further demonstrates the modified surface state properties by strong spin-orbit coupling.
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影响因子:
1.7
作者:
X. Wen
通讯作者:
X. Wen
DOI:
10.1017/cbo9780511618611
发表时间:
2000-10
期刊:
--
影响因子:
--
作者:
M. Lundstrom
通讯作者:
M. Lundstrom
DOI:
10.1017/cbo9781139164313.012
发表时间:
2004-03
期刊:
--
影响因子:
--
作者:
S. Datta
通讯作者:
S. Datta
影响因子:
3.5
作者:
M. Fisher
通讯作者:
M. Fisher