论文标题

基于过渡金属二分法的多效材料:可逆控制Dzyaloshinskii-Moriya的潜在平台,并通过电场通过电场进行天际

Multiferroic materials based on transition-metal dichalcogenides: Potential platform for reversible control of Dzyaloshinskii-Moriya interaction and skyrmion via electric field

论文作者

Shao, Ziji, Liang, Jinghua, Cui, Qirui, Chshiev, Mairbek, Fert, Albert, Zhou, Tiejun, Yang, Hongxin

论文摘要

探索可以实现二维磁场的电场控制的新型二维多效材料已成为Spintronics中的新兴话题。使用第一原理计算,我们证明了非金属双层过渡金属二分法(TMDS)可以是通过互动磁原子来构建多铁质的理想平台。此外,我们揭露,与CO插入的双层MOS2,CO(MOS2)2,两个势力退化状态具有相反的dzyaloshinskii-Moriya相互作用(DMI)的手性,是基态,表明托管磁性的智力化智力化可以通过这种型材料来实现拓扑磁化的电场控制。这些发现为二维多型拓扑磁性的电场控制铺平了道路,并具有内在的磁电耦合。

Exploring novel two-dimensional multiferroic materials that can realize electric-field control of two-dimensional magnetism has become an emerging topic in spintronics. Using first-principles calculations, we demonstrate that non-metallic bilayer transition metal dichalcogenides (TMDs) can be an ideal platform for building multiferroics by intercalated magnetic atoms. Moreover, we unveil that with Co intercalated bilayer MoS2, Co(MoS2)2, two energetic degenerate states with opposite chirality of Dzyaloshinskii-Moriya interaction (DMI) are the ground states, indicating electric-field control of the chirality of topologic magnetism such as skyrmions can be realized in this type of materials by reversing the electric polarization. These findings pave the way for electric-field control of topological magnetism in two-dimensional multiferroics with intrinsic magnetoelectric coupling.

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