Layer-Dependent Magnetic Domains in Atomically Thin Fe(5)GeTe(2).
Layer-Dependent Magnetic Domains in Atomically Thin Fe(5)GeTe(2).
复制标题
原子薄 Fe5GeTe2 中的层相关磁畴
DOI:
10.1021/acsnano.2c01948
复制
发表时间:
2022-07-26
期刊:
影响因子:
17.1
通讯作者:
Hesjedal, Thorsten
中科院分区:
文献类型:
--
作者:
Fujita, Ryuji;Bassirian, Pedram;Li, Zhengxian;Guo, Yanfeng;Mawass, Mohamad A.;Kronast, Florian;van der Laan, Gerrit;Hesjedal, Thorsten
关键词:
Magnetic domain formation in two-dimensional (2D) materials gives perspectives into the fundamental origins of 2D magnetism and also motivates the development of advanced spintronics devices. However, the characterization of magnetic domains in atomically thin van der Waals (vdW) flakes remains challenging. Here, we employ X-ray photoemission electron microscopy (XPEEM) to perform layer-resolved imaging of the domain structures in the itinerant vdW ferromagnet Fe5GeTe2 which shows near room temperature bulk ferromagnetism and a weak perpendicular magnetic anisotropy (PMA). In the bulk limit, we observe the well-known labyrinth-type domains. Thinner flakes, on the other hand, are characterized by increasingly fragmented domains. While PMA is a characteristic property of Fe5GeTe2, we observe a spin-reorientation transition with the spins canting in-plane for flakes thinner than six layers. Notably, a bubble phase emerges in four-layer flakes. This thickness dependence, which clearly deviates from the single-domain behavior observed in other 2D magnetic materials, demonstrates the exciting prospect of stabilizing complex spin textures in 2D vdW magnets at relatively high temperatures.
登录
查看更多内容
影响因子:
1.4
作者:
Däweritz, L;Herrmann, C;Heun, S
通讯作者:
Heun, S
影响因子:
4.6
作者:
Liu B;Zou Y;Zhang L;Zhou S;Wang Z;Wang W;Qu Z;Zhang Y
通讯作者:
Zhang Y
影响因子:
4
作者:
Cai, Li;Yu, Chenglin;Jiang, Wanjun
通讯作者:
Jiang, Wanjun
影响因子:
16.6
作者:
Huang, Yuan;Pan, Yu-Hao;Gao, Hong-Jun
通讯作者:
Gao, Hong-Jun
影响因子:
19.6
作者:
Klein, Dahlia R.;MacNeill, David;Jarillo-Herrero, Pablo
通讯作者:
Jarillo-Herrero, Pablo