Layer-dependent interlayer antiferromagnetic spin reorientation in air-stable semiconductor CrSBr

• URL: http://arxiv.org/abs/2205.09077v2
• Date: Fri, 20 May 2022 04:43:29 GMT
• Title: Layer-dependent interlayer antiferromagnetic spin reorientation in air-stable semiconductor CrSBr
• Authors: Chen Ye, Cong Wang, Qiong Wu, Sheng Liu, Jiayuan Zhou, Guopeng Wang, Aljoscha Soll, Zdenek Sofer, Ming Yue, Xue Liu, Mingliang Tian, Qihua Xiong, Wei Ji, X. Renshaw Wang
• Abstract summary: Magnetic van der Waals (vdW) materials offer a fantastic platform to investigate and exploit rich spin stabilized in reduced dimensions. One tantalizing magnetic order is the interlayer antiferromagnetism in A-type vdW antiferromagnet. Here, we report the layer-dependent interlayer antiferromagnetic reorientation in air-stable semiconductor CrSBr.
• Score: 13.368466574719537
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Magnetic van der Waals (vdW) materials offer a fantastic platform to investigate and exploit rich spin configurations stabilized in reduced dimensions. One tantalizing magnetic order is the interlayer antiferromagnetism in A-type vdW antiferromagnet, which may be effectively modified by the magnetic field, stacking order and thickness scaling. However, atomically revealing the interlayer spin orientation in the vdW antiferromagnet is highly challenging, because most of the material candidates exhibit an insulating ground state or instability in ambient conditions. Here, we report the layer-dependent interlayer antiferromagnetic reorientation in air-stable semiconductor CrSBr using magnetotransport characterization and first-principles calculations. We reveal a pronounced odd-even layer effect of interlayer reorientation, which originates from the competitions among interlayer exchange, magnetic anisotropy energy and extra Zeeman energy of uncompensated magnetization. Furthermore, we quantitatively constructed the layer-dependent magnetic phase diagram with the help of a linear-chain model. Our work uncovers the layer-dependent interlayer antiferromagnetic reorientation engineered by magnetic field in the air-stable semiconductor, which could contribute to future vdW spintronic devices.

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