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Magnetic two-dimensional systems
Current Opinion in Solid State & Materials Science ( IF 12.2 ) Pub Date : 2016-10-06 , DOI: 10.1016/j.cossms.2016.10.003
Wenqing Liu , Yongbing Xu

Two-dimensional (2D) systems have considerably strengthened their position as one of the premier candidates to become the key material for the proposed spintronics technology, in which computational logic, communications and information storage are all processed by the electron spin. In this article, some of the most representative 2D materials including ferromagnetic metals (FMs) and diluted magnetic semiconductor (DMSs) in their thin film form, magnetic topological insulators (TIs), magnetic graphene and magnetic transition metal dichalcogenides (TMDs) are reviewed for their recent research progresses. FM thin films have spontaneous magnetization and usually high Curie temperature (Tc), though this can be strongly altered when bonded with semiconductors (SCs). DMS and magnetic TIs have the advantage of easy integration with the existing SC-based technologies, but less robust magnetism. Magnetic ordering in graphene and TMDs are even more fragile and limited to cryogenic temperatures so far, but they are particularly interesting topics due to the desired long spin lifetime as well as the outstanding mechanical and optical properties of these materials.



中文翻译:

磁性二维系统

二维(2D)系统已大大增强了其作为候选自旋电子学技术的主要材料之一的地位,该技术是电子自旋处理所有计算逻辑,通信和信息存储的技术。在本文中,对一些最具代表性的2D材料进行了综述,其中包括薄膜形式的铁磁金属(FMs)和稀磁半导体(DMS),磁拓扑绝缘体(TIs),磁石墨烯和磁过渡金属二卤化物(TMD)。他们最近的研究进展。FM薄膜具有自发磁化强度,通常居里温度高(T c),但在与半导体(SC)结合时可以大大改变这种情况。DMS和磁性TI具有易于与现有基于SC的技术集成的优势,但磁性不强。到目前为止,石墨烯和TMD中的磁序甚至更加脆弱,并且仅限于低温。但是,由于所需的长自旋寿命以及这些材料出色的机械和光学性能,它们是特别有趣的主题。

更新日期:2016-10-06
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