Abstract
The crystal structure, magnetic phase transition, high saturation magnetization, and chemical status of polycrystalline Fe2B compound were investigated. The results show that a single phase with the CuAl2-type tetragonal structure with space group of I4/mcm is clearly observed, and the Curie temperature is 1017 K. A maximum value of saturation magnetization (M) of 173 Am2⋅kg−1 was achieved when the saturated magnetic field was ∼5 kOe at 300 K. Moreover, XPS proved that the chemical status of Fe and B elements existed in the form of Fe2B in this compound. The polycrystalline Fe2B compound with large saturation magnetization is economical and non-toxic raw materials, which would be of considerable importance for exploring the potential applications in the magnetic functional material field.
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Acknowledgments
This work is supported by the National Basic Foundation of China (Grant No. 2014CB 643703), the National Natural Science Foundation of China (Grant No. 51461012), the Guangxi Key Laboratory of Information Materials (Grant No.161011-Z, 161005-K, 151007-K), and the Guangxi Natural Science Foundation (2016GXNSFAA380030, 2016GXNSFGA380001).
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Wang, D., Ma, L., Li, L. et al. Characterization of Polycrystalline Fe2B Compound with High Saturation Magnetization. J Supercond Nov Magn 31, 431–435 (2018). https://doi.org/10.1007/s10948-017-4233-z
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DOI: https://doi.org/10.1007/s10948-017-4233-z