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Magnetic anisotropy and enhanced remanence in textured polycrystalline MnAlCuC-based flakes

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Abstract

Anisotropic MnAlCuC and MnAlCuC/Fe polycrystalline flakes have been produced by surfactant-assisted ball milling. The [001] textured MnAlCuC flakes were formed via continuous basal cleavage along the (110) planes of the microparticles during the surfactant-assisted high-energy ball milling. The c-axes of most the grains are parallel to the flake surface. The remanent magnetization (Mr) of annealed MnAlCuC/Fe has an enhancement of around 62.4% compared with uncoated powders. A high coercivity up to 207.4 kA/m of as-milled MnAlCuC flakes was obtained due to the domain wall pinning effect of the defects and the associated strained areas.

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Acknowledgements

This work was supported by the National Natural Science Foundation of China (Grant Numbers 51601049, 11574066, 11604067); the Zhejiang Provincial Natural Science Foundation of China (Grant Number LQ14E010005); the Guangxi Key Laboratory of Information Materials (Grant Number 151007-K); and the Science and Technology Project of Zhejiang Province (Grant Number 2015C37041).

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Authors and Affiliations

  1. College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou, 310018, China

    K. P. Su, H. O. Wang, S. Huang, X. X. Chen, J. J. Liu & D. X. Huo

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

    L. Ma

  3. School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, China

    Z. W. Liu

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  1. K. P. Su
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  2. H. O. Wang
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Correspondence to K. P. Su or D. X. Huo.

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Su, K.P., Wang, H.O., Huang, S. et al. Magnetic anisotropy and enhanced remanence in textured polycrystalline MnAlCuC-based flakes. J Mater Sci 53, 9823–9829 (2018). https://doi.org/10.1007/s10853-018-2274-8

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  • DOI: https://doi.org/10.1007/s10853-018-2274-8

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