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Néel Tensor Torque in Polycrystalline Antiferromagnets (Adv. Mater. 9/2026)

Year: 2026

Type: article

Abstract: Néel Tensor Torque In their Research Article (DOI: 10.1002/adma.202506462), Chih-Huang Lai, Hsiu-Hau Lin, Chao-Yao Yang, and co-workers present the discovery of the Néel tensor torque, a new symmetry-breaking mechanism arising from statistical spin correlations in polycrystalline antiferromagnets. The colorful tensor surface represents the Néel tensor extracted through machine-learning analysis, which governs field-free spin-orbit-torque switching in ferromagnet/antiferromagnet heterostructures. This finding establishes a reconfigurable and trainable magnetic memory platform bridging spintronics and artificial intelligence.

Source: Advanced Materials

DOI: 10.1002/adma.72258

Authors: Chao‐Yao Yang, Sheng‐Huai Chen, Chih‐Hsiang Tseng, Hsiu‐Hau Lin, Chih‐Huang Lai

Institutions: National Yang Ming Chiao Tung University, National Tsing Hua University

Language: English

Topic: Magnetic properties of thin films

Subfield: Atomic and Molecular Physics, and Optics

Field: Physics and Astronomy

Domain: Physical Sciences

Open Access status: bronze

OpenAlex ID: W7128800642

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