自旋电子学
磁性
凝聚态物理
激子
反铁磁性
磁性半导体
联轴节(管道)
半导体
磁场
材料科学
物理
光电子学
铁磁性
量子力学
冶金
作者
John Cenker,Shivesh Sivakumar,Kaichen Xie,Geoffrey Diederich,Zhaoyu Liu,Avalon H. Dismukes,Daniel G. Chica,Xiaoyang Zhu,Xavier Roy,Jiun-Haw Chu,Di Xiao,Ting Cao,Xiaodong Xu
摘要
The coupling of spin and charge in magnetic semiconductors lies at the heart of the field of spintronics and has attracted significant interest for new computing technologies. In this paper, we will review our recent progress in studying and controlling magneto-exciton coupling in the layered antiferromagnetic semiconductor CrSBr. The anisotropic Wannier-type excitons in this material serve as a sensor of the interlayer magnetic coupling. Using this exciton sensor, we found that the magnetic order is extremely tunable by the application of tensile strain, with a reversible AFM to FM transition occurring at large but experimentally feasible strains. These results establish CrSBr as an exciting platform for harnessing spin-charge-lattice coupling to the 2D limit.
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