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STUDY ON MAGNETIZATION REVERSAL OF BARIUM FERRITE PARTICLES

LI XIAO-HONG WEI FU-LIN YANG ZHENG

STUDY ON MAGNETIZATION REVERSAL OF BARIUM FERRITE PARTICLES

LI XIAO-HONG, WEI FU-LIN, YANG ZHENG
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Publishing process
  • Received Date:  13 July 2000
  • Accepted Date:  11 August 2000
  • Published Online:  05 January 2001

STUDY ON MAGNETIZATION REVERSAL OF BARIUM FERRITE PARTICLES

  • 1. 兰州大学磁性材料研究所,兰州730000

Abstract: A model of a chain of oblate ellipsoids is proposed for magnetization reversal of barium ferrite particles. The angular dependences of coercivity and critical field were calculated with the consideration of the uniaxial magnetocrystalline anisotropy, the shape anisotropy, the interaction anisotropy of the ellipsoids, as well as the number of ellipsoids. This model could be used to explain the magnetization reversal mechanism of the oriented Ba ferrite particulate media.

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