Details

Autor(en) / Beteiligte

• Wang, Meng
• Tanaka, Katsuhiro
• Sakai, Shiro
• Wang, Ziqian
• Deng, Ke
• Lyu, Yingjie
• Li, Cong
• Tian, Di
• Shen, Shengchun
• Ogawa, Naoki
• Kanazawa, Naoya
• Yu, Pu
• Arita, Ryotaro
• Kagawa, Fumitaka

Titel

Emergent zero-field anomalous Hall effect in a reconstructed rutile antiferromagnetic metal

Ist Teil von

• Nature communications, 2023-12, Vol.14 (1), p.8240-8240, Article 8240

Ort / Verlag

England: Nature Publishing Group

Erscheinungsjahr

2023

Quelle

Alma/SFX Local Collection

Beschreibungen/Notizen

• The anomalous Hall effect (AHE) that emerges in antiferromagnetic metals shows intriguing physics and offers numerous potential applications. Magnets with a rutile crystal structure have recently received attention as a possible platform for a collinear-antiferromagnetism-induced AHE. RuO is a prototypical candidate material, however the AHE is prohibited at zero field by symmetry because of the high-symmetry [001] direction of the Néel vector at the ground state. Here, we show AHE at zero field in Cr-doped rutile, Ru Cr O . The magnetization, transport and density functional theory calculations indicate that appropriate doping of Cr at Ru sites reconstructs the collinear antiferromagnetism in RuO , resulting in a rotation of the Néel vector from [001] to [110] while maintaining a collinear antiferromagnetic state. The AHE with vanishing net moment in the Ru Cr O exhibits an orientation dependence consistent with the [110]-oriented Hall vector. These results demonstrate that material engineering by doping is a useful approach to manipulate AHE in antiferromagnetic metals.