Journal of Magnetics

  • 제14권2호
  • /
  • Pages.93-96
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  • 2009
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  • 1226-1750(pISSN)
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  • 2233-6656(eISSN)
한국자기학회 (The Korean Magnetics Society)
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The Effect of Manganese Substituted M-type Hexagonal Ba-ferrite

  • Lee, In-Kyu (Department of Physics, Kookmin University) ;
  • Sur, Jung-Chul (Department of Microelectronics and Display Technology, Wonkwang University) ;
  • Shim, In-Bo (Department of Physics, Kookmin University) ;
  • Kim, Chul-Sung (Department of Physics, Kookmin University)
  • 발행 : 2009.06.30
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초록

The Mn-substituted M-type Ba-ferrite ($BaFe_{12-x}Mn_xO_{19}$; x = 0, 2, 4, 6) powders were prepared by the HTTD (High Temperature Thermal Decomposition) method. The effect of $Mn^{3+}$ Jahn-Teller ions on the magnetic properties has been studied by x-ray diffraction, vibrating sample magnetometry, and $M{\ddot{o}}ssbauer$ spectroscopy. With increasing Mn substitution, the lattice parameter $a_0$ increases while $c_0$ decreases. The magnetocrystalline anisotropy constants ($K_1$) were determined as 2.9, 2.2, 1.8, and, $1.3{\times}10^6\;erg/cm^3$ for x = 0, 2, 4, and 6, respectively, by the LAS method. We have studied the change of cation distribution by $M{\ddot{o}}ssbauer$ spectroscopy which is closely related to $K_1$.

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참고문헌

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피인용 문헌

  1. Mössbauer Studies of Cation Distribution in Zn$_{{\rm x}}$Co$_{0.5 \mathchar "702D {\rm x}}$Fe$_{2.5}$O$_{4}$ Microspheres vol.48, pp.11, 2012, https://doi.org/10.1109/TMAG.2012.2202274
  2. Investigation of Magnetic Properties of Zn Doped Y-Type Barium Ferrite vol.49, pp.7, 2013, https://doi.org/10.1109/TMAG.2013.2250930
  3. Mössbauer studies of Y-type hexaferrite with aluminum doping vol.62, pp.12, 2013, https://doi.org/10.3938/jkps.62.1815
  4. Phenomenological Model for Prediction of Cation Substitution Distribution and Some Physical Properties in Mn3+-Doped Barium Hexaferrite vol.31, pp.1, 2018, https://doi.org/10.1007/s10948-017-4198-y