CaRuO₃ Superlattices

Full ferromagnetism, eightfold anisotropy

Proximity effect converts non-ferromagnetic CaRuO₃ in superlattices to a fully ferromagnetic state with rare eightfold magnetic anisotropy, promising for multistate memory.

Zhang, Jine E. · Chen, Xiaobing · Mengqin, Wang · Zhang, Qinghua · Shi, Wenxiao · Zhan, Xiaozhi · Meng, Zhao · Li, Zhe · Jie, Zheng · Zhang, Hui · Han, Furong · Yang, Huaiwen · Zhu, Tao · Liu, Banggui · Hu, Fengxia · Shen, Baogen · Chen, Yuansha · Zhang, Yue · Chen, Yunzhong · Zhao, Weisheng · Sun, Jirong

Advanced Functional Materials 2023

Specifications

Anomalous Hall angle

{'zh': '~0.93', 'en': '~0.93'} %

Anomalous Hall conductivity

{'zh': '~15', 'en': '~15'} Ω⁻¹ cm⁻¹

layers fully ferromagnetic

{'zh': '~0.8', 'en': '~0.8'} μB/Ru

Advantages

Eightfold symmetric magnetic anisotropy