Strong Rashba-Edelstein Effect-Induced Spin-Orbit Torques in Monolayer Transition Metal Dichalcogenide/Ferromagnet Bilayers

Qiming Shao*, Guoqiang Yu, Yann Wen Lan, Yumeng Shi, Ming Yang Li, Cheng Zheng, Xiaodan Zhu, Lain Jong Li, Pedram Khalili Amiri, Kang L. Wang

*此作品的通信作者

研究成果: 雜誌貢獻期刊論文同行評審

156 引文 斯高帕斯(Scopus)

摘要

The electronic and optoelectronic properties of two-dimensional materials have been extensively explored in graphene and layered transition metal dichalcogenides (TMDs). Spintronics in these two-dimensional materials could provide novel opportunities for future electronics, for example, efficient generation of spin current, which should enable the efficient manipulation of magnetic elements. So far, the quantitative determination of charge current-induced spin current and spin-orbit torques (SOTs) on the magnetic layer adjacent to two-dimensional materials is still lacking. Here, we report a large SOT generated by current-induced spin accumulation through the Rashba-Edelstein effect in the composites of monolayer TMD (MoS2 or WSe2)/CoFeB bilayer. The effective spin conductivity corresponding to the SOT turns out to be almost temperature-independent. Our results suggest that the charge-spin conversion in the chemical vapor deposition-grown large-scale monolayer TMDs could potentially lead to high energy efficiency for magnetization reversal and convenient device integration for future spintronics based on two-dimensional materials.

原文英語
頁(從 - 到)7514-7520
頁數7
期刊Nano Letters
16
發行號12
DOIs
出版狀態已發佈 - 2016 十二月 14
對外發佈

ASJC Scopus subject areas

  • 生物工程
  • 化學 (全部)
  • 材料科學(全部)
  • 凝聚態物理學
  • 機械工業

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