Author
Listed:
- Shijie Xu
(Beihang University
University of California
Tongji University
Beihang University)
- Bingqian Dai
(University of California)
- Yuhao Jiang
(Beihang University
Tongji University)
- Danrong Xiong
(Beihang University
Beihang University)
- Houyi Cheng
(Beihang University
Beihang University
Beihang University)
- Lixuan Tai
(University of California)
- Meng Tang
(Tongji University)
- Yadong Sun
(Tongji University)
- Yu He
(Beihang University
Beihang University)
- Baolin Yang
(Lanzhou University)
- Yong Peng
(Lanzhou University)
- Kang L. Wang
(University of California)
- Weisheng Zhao
(Beihang University
Beihang University
Beihang University)
Abstract
The chiral antiferromagnetic (AFM) materials, which have been widely investigated due to their rich physics, such as non-zero Berry phase and topology, provide a platform for the development of antiferromagnetic spintronics. Here, we find two distinctive anomalous Hall effect (AHE) contributions in the chiral AFM Mn3Pt, originating from a time-reversal symmetry breaking induced intrinsic mechanism and a skew scattering induced topological AHE due to an out-of-plane spin canting with respect to the Kagome plane. We propose a universal AHE scaling law to explain the AHE resistivity ( $${{\rho }}_{AH}$$ ρ A H ) in this chiral magnet, with both a scalar spin chirality (SSC)-induced skew scattering topological AHE term, $${a}_{sk}$$ a s k and non-collinear spin-texture induced intrinsic anomalous Hall term, $${{b}}_{{in}}$$ b i n . We found that $${{{a}}}_{{{sk}}}$$ a s k and $${{{b}}}_{{{in}}}$$ b i n can be effectively modulated by the interfacial electron scattering, exhibiting a linear relation with the inverse film thickness. Moreover, the scaling law can explain the anomalous Hall effect in various chiral magnets and has far-reaching implications for chiral-based spintronics devices.
Suggested Citation
Shijie Xu & Bingqian Dai & Yuhao Jiang & Danrong Xiong & Houyi Cheng & Lixuan Tai & Meng Tang & Yadong Sun & Yu He & Baolin Yang & Yong Peng & Kang L. Wang & Weisheng Zhao, 2024.
"Universal scaling law for chiral antiferromagnetism,"
Nature Communications, Nature, vol. 15(1), pages 1-7, December.
Handle:
RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-46325-5
DOI: 10.1038/s41467-024-46325-5
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