Journal of the Korean institute of surface engineering (한국표면공학회지)

The Korean Institute of Surface Engineering (한국표면공학회)
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Preparation of Nano-sized MgxNiyZn1-x-yFe2O4 by Ultrasonic Wet-Magnetic Separation Method

초음파 습식 자기분류법을 이용한 MgxNiyZn1-x-yFe2O4 나노입자 제조

  • Gu, Moon Sun (Department of Materials Science and Engineering, Dankook University) ;
  • Kwon, Hyuk Joo (R&D Center, HANSCO) ;
  • Choi, Yong (Department of Materials Science and Engineering, Dankook University)
  • Received : 2017.04.18
  • Accepted : 2017.06.22
  • Published : 2017.06.30
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Abstract

$Mg_xNi_yZn_{1-x-y}Fe_2O_4$ ferrite powders were prepared by self-propagating high temperature synthesis followed by classifying with an ultrasonic wet-magnetic separation unit to get high pure nano-sized particles. The $Mg_xNi_yZn_{1-x-y}Fe_2O_4$ ferrites were well formed by using several powders like iron, nickel oxide, zinc oxide and magnesium oxide at 0.1 MPa of oxygen pressure. The ultrasonic wet-magnetic separation of pre-mechanical milled ferrite powders resulted in producing the powders with average size of 800 nm. The addition of a surfactant during the wet-magnetic separation process improved productivity more than twice. The coercive force, maximum magnetization and residual magnetization of the $Mg_xNi_yZn_{1-x-y}Fe_2O_4$ nano-powders with 800 nm size were 3651 A/m, $53.92Am^2/kg$ and $4.0Am^2/kg$, respectively.

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References

  1. X. Obradors, A. Collomb, M. Pernet and J. C. Joubert, "Structuraland Magnetic Properties of BaFe MnO Hexagonal Ferrites", J. Magn. Mag, Mater., vol. 44(1) (1984) 118-128. https://doi.org/10.1016/0304-8853(84)90053-2
  2. J. Kulikowski, "Soft Magnetic Ferrites-Development or Stagnation", J. Magn. Mag, Mats, vol. 44(1) (1984) 56-62.
  3. Yong Choi, Nam Ihn Cho, H. C. Kim and Y. D. Hahn, "Magnetic Properties of Ni-Zn Ferrite Powders formed by Self-Propagating High Temperature Synthesis Reaction", J. Materials Science: Materials in Electronics, vol.11 (1) (2000) 25-30. https://doi.org/10.1023/A:1008900119210
  4. Yong Choi, J. K. Lee and M. E. Mullins, "Processing Effects on The Morphology of Titanium Carbide in Self-Propagating High Temperature Synthesis", High Temp. Tech., vol. 8(3) (1990) 227-229. https://doi.org/10.1080/02619180.1990.11753482
  5. J. J. Moore and H. J. Feng, "Combustion Synthesis of Advanced Materials I ", Prog. Mater. Sci., vol. 39 (1995) 243-273. https://doi.org/10.1016/0079-6425(94)00011-5
  6. Yong Choi and N. I. Cho, "The Formation of Ni-Zn Ferrites through Self-Propagating High Temperature Synthesis", J. of Mater. Sci. Lett., vol. 18 (1999) 655-658. https://doi.org/10.1023/A:1006667406284
  7. S. Bose and S. K. Saha, "Synthesis and Characterization of Hydroxyapatite Nanopowders by Emulsion Technique", Chem. Mater., vol. 15 (2003) 4464-4469. https://doi.org/10.1021/cm0303437
  8. J. Wang, J. Yang, X. Li, B. Feng, B. Wei, D. Wang, H. Zhai and H. Song, "Effect of Surfactant on The Morphology of ZnO Nanopowders and Their Application for Photodegradation of Rhodamine B", Powder Tech., vol. 286 (2015) 269-275. https://doi.org/10.1016/j.powtec.2015.08.030
  9. B. J. Lee and G. H. Jeong, "Graphene Doping by Ammonia Plasma Surface Treatment", J. Korean Institute Surface Eng., vol.48(4) (2015) 163-168. https://doi.org/10.5695/JKISE.2015.48.4.163
  10. Sea-Fue Wang, Yung-Fu Hsu, Kai-Mou Chou, "Effects of $Li^+\, and \,Mg^{2+}$ Dopants on the Magnetic Properties of Ni-Zn Ferrites", IEEE Trans. Magnet., vol. 51(2) (2015) 107-114.
  11. Yong Choi, H. S. Shim and J. S. Lee, "Study on Magnetic Properties and Structural Analysis of Ni-Zn Ferrite prepared through Self-Propagating High-Temperature Synthesis Reaction by Neutron Diffractometry", J. Alloys and Comp., vol. 326 (2001) 56-60. https://doi.org/10.1016/S0925-8388(01)01231-2
  12. P. Roy and J. Bera, "Effect of Mg Substitution on Electromagnetic Properties of $(Ni_{0.25}Cu_{0.20}Zn_{0.55})Fe_2O_4$ Ferrite Prepared by Auto Combustion Method", J. Magn. Magn. Mater., vol. 298(1) (2006) 38-42. https://doi.org/10.1016/j.jmmm.2005.03.007