Strain-tuned antiferromagnetic BiFeO₃ films

Xu, Shuai; Ma, Cheng; Jin, Kuijuan; Zhang, Qinghua; Huang, Sisi; Wang, Yiru; He, Xu; Wang, Jiesu; Xie, Donggang; Zhang, Qiulin; Guo, Erjia; Ge, Chen; Wang, Can; Xu, Xiulai; Gu, Lin; He, Meng; Yang, Guozhen

Strain-tuned antiferromagnetic BiFeO₃ films

Enhanced antiferromagnetic coupling

This BiFeO₃ film exhibits significantly enhanced antiferromagnetic coupling, with Néel temperature increased from 428 K to 646 K and SHG intensity enhanced by one order of magnitude, demonstrating effective strain engineering of antiferromagnetic order and offering a new material for antiferromagnetic spintronics.

Xu, Shuai · Ma, Cheng · Jin, Kuijuan · Zhang, Qinghua · Huang, Sisi · Wang, Yiru · He, Xu · Wang, Jiesu · Xie, Donggang · Zhang, Qiulin · Guo, Erjia · Ge, Chen · Wang, Can · Xu, Xiulai · Gu, Lin · He, Meng · Yang, Guozhen

Light: Science and Applications 2025

Specifications

应变调控范围从: {'zh': '-2.4', 'en': ''} %
键角接: {'zh': '180', 'en': ''} °

Advantages

Néel temperature increased from 428 K to 646 K

SHG intensity from G-type antiferromagnetic order enhanced by one order of magnitude