铁磁性
自旋电子学
凝聚态物理
材料科学
居里温度
磁性半导体
三元运算
半导体
磁各向异性
各向异性
光电子学
磁场
磁化
光学
物理
量子力学
计算机科学
程序设计语言
作者
Juehan Yang,Ziqi Zhou,Jingzhi Fang,Hongyu Wen,Zheng Lou,Guozhen Shen,Zhongming Wei
摘要
Magnetic two-dimensional (2D) materials hold considerable promise for the next generation of spintronic devices. In this study, a ternary 2D layered semiconductor compound, MnIn2Se4, with good photoelectric properties and low-temperature ferromagnetism is introduced. Field-effect transistors based on few-layer MnIn2Se4 exhibit n-type characteristics, with a high on-off ratio of up to 450 times, and exhibit a good photoresponse with an on-off ratio of 25 times. Magnetic measurements show that few-layer MnIn2Se4 exhibits ferromagnetic behavior with a perpendicular anisotropy at 2 K and a Curie temperature of ∼7 K. This study suggests that MnIn2Se4 has potential in applications involving magnetic and optoelectronic devices.
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