铁磁金属与二维硒化镓异质结构体系自旋电子性质调控
Modification of the spin-electronic properties in ferromagnetic metal/GaSe heterostructure
Abstract
二维材料以其丰富的性质和广阔的应用前景成为凝聚态物理领域的热点前沿。尤其随着自旋电子学的发展，具有优异自旋特性的二维层状材料无论对于新物理规律的探索或新量子器件的应用都至关重要。以GaSe为代表的III-VI族金属单硫化物MX(M=Ga、In；X=S、Se、Te)半导体材料兼具二维结构、优异光电性能及独特自旋电子特性，对于超高密度集成和超快速度运转的自旋光电器件具有深刻的潜在应用价值。实现对其能带结构和自旋磁性的有效调控对满足器件的设计尤为重要。由于传统的铁磁材料具备高电子自旋极化率、高居里温度等优点，构建铁磁金属与二维MX异质结构体系是调控其自旋电子性质的有效手段。因此，本文工作基于理论计算... Two-diensional (2D) materials have become the focus and frontier of condensed mater physics due to their abundant property and broad prospect. Especially, with the development of spintronics, 2D layered materials with excellent spin property are extremely important both on the exploration of new physics and the applications of new quantum devices. Group-IIIA metal-monochalcogenides MX (M = Ga、In；X...