Anisotropic Interlayer DMI Sandwich

Symmetry-broken canting of adjacent layers

The interlayer DMI exhibits uniaxial anisotropy, enabling adjacent ferromagnetic layers to cant in different directions and opening a new dimension for 3D chiral spin texture design.

Yun, Jijun · Cui, Baoshan · Cui, Qirui · He, Xiaodong · Yuhan, Chang · Zhu, Yingmei · Yan, Ze · Guo, Xi · Hongfei, Xie · Zhang, Jianrong · Bai, Qiaoning · Zhai, Yongbo · Xu, Hengyi · Zuo, Yalu · Yang, Dezheng · Jia, Chenglong · Yu, Guoqiang · Wu, Hao · Yang, Hongxin · Xue, Desheng · Xi, Li

Advanced Functional Materials 2023

Advantages

Quantitative determination of interlayer DM constants

Asymmetric magnetization switching by spin-orbit torque confirms anisotropy

Interlayer DMI tunable via Ru thickness