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Anisotropic Magnetoresistance Effect of Intercalated Ferromagnet FeTaS

Frontiers in Physics, ISSN: 2296-424X, Vol: 10
2022
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Article Description

Intercalated transition metal dichalcogenides have been widely used to study the magnetic and magnetoelectric transport properties in a strong anisotropic and spin–orbit coupling environments. In this study, ferromagnetic FeTaS (also known as FeTaS) single crystals were grown by using the chemical vapor transport method, and its magnetic and magnetoelectric transport properties were measured. The results show that FeTaS has ferromagnetic ordered below 37K, with sharp switching of magnetization, butterfly-shaped double-peak magnetoresistance and anomalous Hall effect, and the magnetization and resistance have strong anisotropy. When a magnetic field is oriented parallel to the c-axis, the magnetoresistance exceeds 10% at a temperature of 10K, and negative magnetoresistance is generated when the magnetic field is larger than the switching field. When the direction of the magnetic field of 9T rotates from out-of-plane to in-plane, the anisotropic magnetoresistance exceeds 40%, and the angle-dependent Hall resistance presents a novel trend, which may be due to the existence of a topological Hall effect or other magnetic structures in the FeTaS thin film. When the magnetic field of 9T rotates in the ab-plane of the sample, the in-plane anisotropic magnetoresistance conforms to the form of sinφ. The experimental results of this study provide important information for the study of magnetic and magnetoelectric transport properties of intercalated transition metal dichalcogenides.

Bibliographic Details

Ying Qing Miao; Jun Jie Guo; Zi Yan Luo; Mian Zeng Zhong; Xi Guang Wang; Yao Zhuang Nie; Qing Lin Xia; Guang Hua Guo; Bo Li

Frontiers Media SA

Biochemistry, Genetics and Molecular Biology; Materials Science; Mathematics; Physics and Astronomy; Chemistry

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