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Effect of Mn-Doping on the Structure, Magnetic Properties of Fe17Gd2 Compound

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Advanced Functional Materials (CMC 2017)

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Abstract

The (Fe1−xMnx)17Gd2 (x = 0.0–0.4) compounds were prepared by arc melting method, then annealed at 700 °C for two weeks. The effect of Mn-doping on the structure and magentic properties were studied by X-ray diffraction (XRD) and vibrating sample magnetometer (VSM). The crystal structure of (Fe1−xMnx)17Gd2 maintains the Th2Znl7-type rhombohedral structure, and the unit cell volume and lattice parameter a, b and c of (Fe1−xMnx)17Gd2 increase with the addition of Mn content. With the increase of Mn-doping, the magnetic-type of (Fe1−xMnx)17Gd2 compounds obviously transform from ferromagnetism to antiferromagnetism, and the saturation magnetization (Ms) can be tuned continuously from 80 Am2/kg at x = 0.0 to ~0 Am2/kg at x = 0.4. At the same time, the Curie temperature (TC) of compounds reduced to room temperature. It indicates that Mn doping can effectively tune the structure, magnetic-type and TC of Fe17Gd2 compound.

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Acknowledgements

This work is supported by the National Natural Science Foundation of China (51461012), the Guangxi Key Laboratory of Information Materials (161011-Z, 161005-K, 151007-K) and the Guangxi Natural Science Foundation (2016GXNSFAA380030, 2016GXNSFGA380001).

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Authors and Affiliations

  1. School of Materials Science and Engineering, Guilin University of Electronic Technology, Guilin, 541004, China

    Yongbin Guo, Mufen He, Lei Ma, Dao Wang & Xin Zhou

  2. Guangxi Key Laboratory of Information Materials, Guilin University of Electronic Technology, Guilin, 541004, China

    Mufen He & Lei Ma

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  1. Yongbin Guo
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  2. Mufen He
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  3. Lei Ma
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  4. Dao Wang
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  5. Xin Zhou
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Correspondence to Mufen He .

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Editors and Affiliations

  1. Chinese Materials Research Society, Beijing, China

    Yafang Han

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Guo, Y., He, M., Ma, L., Wang, D., Zhou, X. (2018). Effect of Mn-Doping on the Structure, Magnetic Properties of Fe17Gd2 Compound. In: Han, Y. (eds) Advanced Functional Materials. CMC 2017. Springer, Singapore. https://doi.org/10.1007/978-981-13-0110-0_21

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