Planar Hall Effect in Antiferromagnetic MnTe Thin Films

Gen Yin, Jie Xiang Yu, Yizhou Liu, Roger K. Lake, Jiadong Zang, Kang L. Wang

研究成果: Article同行評審

19 引文 斯高帕斯(Scopus)

摘要

We show that the spin-orbit coupling (SOC) in α-MnTe impacts the transport behavior by generating an anisotropic valence-band splitting, resulting in four spin-polarized pockets near Γ. A minimal k·p model is constructed to capture this splitting by group theory analysis, a tight-binding model, and ab initio calculations. The model is shown to describe the rotation symmetry of the zero-field planer Hall effect (PHE). The PHE originates from the band anisotropy given by SOC, and is quantitatively estimated to be 25%-31% for an ideal thin film with a single antiferromagnetic domain.

原文English
文章編號106602
期刊Physical review letters
122
發行號10
DOIs
出版狀態Published - 2019 3月 13

All Science Journal Classification (ASJC) codes

  • 物理與天文學 (全部)

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