Journal of Magnetics

The Korean Magnetics Society (한국자기학회)
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The Influence of Mechanical Milling on the Structure and Magnetic Properties of Sm-Fe-N Powder Produced by the Reduction-Diffusion Process

  • Lee, Jung-Goo (Functional Materials Division, Korea Institute of materials Science) ;
  • Kang, Seok-Won (Functional Materials Division, Korea Institute of materials Science) ;
  • Si, Ping-Zhan (College of Materials Science & Engineering, China Jiliang University) ;
  • Choi, Chul-Jin (Functional Materials Division, Korea Institute of materials Science)
  • Received : 2011.01.26
  • Accepted : 2011.04.01
  • Published : 2011.06.30
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Abstract

In the present study, we systematically investigated the effect of mechanical milling on the magnetic properties of $Sm_2Fe_{17}N_x$ powders produced by the reduction-diffusion process. The Sm-Fe powders obtained by the reduction-diffusion process were composed of an $Sm_2Fe_{17}N_x$ single phase. After nitrogenation, the coercivity and saturation magnetization of the powders were 0.48 kOe and 13.32 kG, respectively. The particle size largely decreased down to less than $2\;{\mu}m$ in diameter after ball milling for 30 hours. However, there is no evidence that the $Sm_2Fe_{17}N_x$ was decomposed to Sm-N and ${\alpha}$-Fe even after ball milling for 30 hours. The coercivity was significantly improved up to 8.82 kOe after milling for 60 hours. However, the magnetization decreased linearly with the ball milling time.

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References

  1. J. M. Coey and H. Sun, J. Magn. Mater. 87, L251 (1990). https://doi.org/10.1016/0304-8853(90)90756-G
  2. Y. Otani, D. P. F. Hurley, H. Sun, and J. M. D. Coey, J. Appl. Phys. 69, 5584 (1991). https://doi.org/10.1063/1.347957
  3. J. Ye, F. Li, Y. Liu, S. Gao, and M. Tu, J. Rare Earth 23, 53 (2005).
  4. N. Imaoka, T. Iriyama, S. Itoh, A. Okamoto, and T. Katsumata, J. Alloy. Compd. 222, 73 (1995). https://doi.org/10.1016/0925-8388(94)04920-3
  5. H. Uchida, T. Yanagisawa, S. Kise, S. Tachibana, T. Kawanabe, Y. Matsumara, V. Koeninger, H. H. Uchida, Y. Miyamoto, H. Kaneko, and T. Kurino, J. Alloy. Compd. 222, 33 (1995). https://doi.org/10.1016/0925-8388(94)04908-4
  6. C. Cui, J. Sun, R. Wang, and Z. Liang, Superlattices and Microstructures 39, 406 (2006). https://doi.org/10.1016/j.spmi.2005.09.002
  7. K. Schnitzke, L. Schultz, J. Wecker, and M. Katter, Appl. Phys. Lett. 57, 2853 (1990). https://doi.org/10.1063/1.104202
  8. T. Y. Liu, W. C. Chang, C. J. Chen, T. Y. Chu, and C. D. Wu, IEEE Trans. Magn. 28, 2593 (1992) https://doi.org/10.1109/20.179567
  9. A. Kawamoto, J. Soyama, M. D. V. Felisberto, R. Hesse, A. V. A. Pinto, T. R. Taylor, and P. A. P. Wendhausen, IEEE Trans. Magn. 35, 3322 (1999). https://doi.org/10.1109/20.800512
  10. J. C. Boareto, T. Ishikawa, S. Yasuda, K. Takeya, K. Ishizaka, T. Iseki, and K. Ohmori, Mater. Sci. For. 534-536, 1365 (2007).
  11. H. Kwak, J. G. Lee, and C. J. Choi, J. Kor. Powder Metall. Inst. 16, 336 (2009). https://doi.org/10.4150/KPMI.2009.16.5.336
  12. J. G. Lee, S. W. Kang, S. J. Park, Y. W. Oh, and C. J. Choi, Kor. J. Met. Mater. 48, 842 (2010).
  13. P. A. P. Wendhausen, B. Gebal, D. Eckert, and K. H. Muller, J. Appl. Phys. 75, 6018 (1994). https://doi.org/10.1063/1.355494
  14. K. Kobayashi, R. Skomski, and J. M. D. Coey, J. Alloy. Compd. 222, 1 (1995). https://doi.org/10.1016/0925-8388(94)04902-5
  15. K. Machida, A. Shiomi, H. Izumi, and G. Adachi, Jpn. J. Appl. Phys. 34, L741 (1995). https://doi.org/10.1143/JJAP.34.L741
  16. K. Majima, M. Ito, S. Katsuyama, and H. Nagai, J. Appl. Phys. 81, 4536 (1997). https://doi.org/10.1063/1.365541
  17. S. Kwon, C. H. Kim, J. S. Kim, and J. C. Kim, J. Cera. Soc. Japan 114, 934 (2006). https://doi.org/10.2109/jcersj.114.934
  18. K. Kobayashi, T. Iriyama, T. Yamaguchi, H. Kato, and Y. Nakagawa, J. Alloys Comp. 193, 235 (1993). https://doi.org/10.1016/0925-8388(93)90357-S
  19. J. Hu, T. Dragon, M.-L. Sartorelli, and H. Kronmuller, Phys. Status Solidi A 136, 207 (1993). https://doi.org/10.1002/pssa.2211360125
  20. T. Mukai and T. Fujimoto, J. Magn. Magn. Mater. 103, 165 (1992). https://doi.org/10.1016/0304-8853(92)90250-R

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