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

Author:
Su, K.P., Wang, H.O., Huang, S., Chen, X.X., Liu, J.J., Huo, D.X., Ma, L., Liu, Z.W.
Source:
Journal of materials science 2018 v.53 no.13 pp. 9823-9829
ISSN:
0022-2461
Subject:
iron, magnetism, microparticles, milling, powders
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.
Agid:
5932201