Spin transport properties of partially edge-hydrogenated MoS2 nanoribbon heterostructure

Spin transport properties of partially edge-hydrogenated MoS2 nanoribbon heterostructure
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部分边缘氢化MoS2纳米带异质结构的自旋输运特性

DOI:
10.1063/1.4882195
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发表时间:
2014-06
影响因子:
3.2
通讯作者:
Tian, Yong
Tian, Yong
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Zu, Fengxia;Wang, Shuling;Guo, Bin;Tian, Yong

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我们报道了基于MoS_2纳米带的异质结电子输运性质的从头计算。异质结构由边缘氢钝化和未钝化的锯齿状MoS_2纳米带(ZMoS_2NR-H/ZMoS_2NR)组成。我们的计算表明,异质结构具有与纳米带宽度无关的半金属行为。异质结构中自旋通道的开启依赖于ZMoS2NR-H和ZMoS2NR中以Mo为主的边的特定电子轨道的匹配。在较小的偏置电压下出现了理想的自旋滤波效应,并且在异质结中还观察到了较大的负微分电阻和整流效应。
We report ab initio calculations of electronic transport properties of heterostructure based on MoS2 nanoribbons. The heterostructure consists of edge hydrogen-passivated and non-passivated zigzag MoS2 nanoribbons (ZMoS2NR-H/ZMoS2NR). Our calculations show that the heterostructure has half-metallic behavior which is independent of the nanoribbon width. The opening of spin channels of the heterostructure depends on the matching of particular electronic orbitals in the Mo-dominated edges of ZMoS2NR-H and ZMoS2NR. Perfect spin filter effect appears at small bias voltages, and large negative differential resistance and rectifying effects are also observed in the heterostructure.
石墨烯纳米带异质结中的自旋塞贝克效应和热巨磁阻
DOI: 10.1038/srep01380
发表时间: 2013
期刊: SCIENTIFIC REPORTS
影响因子: 4.6
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