High Coercive Force of Substituted SrFe_<12-α>M_αO_<19> (M=Al, Cr) Ferrite Particles

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概要

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• The effects of the substitution of Al or Cr into Sr-ferrite powder on the Curie temperature (T_C), saturation magnetization (σ_S) and coercive force (H_C) were studied for SrFe_<12-α>M_αO_<19> (M=Al, Cr; α=3, 4, 5). With increasing substitution content, both T_C and σ_S decrease, while H_C increases drastically. We obtained a high H_C of 13.0kOe for SrO・5.8Fe_<7/6>Al_<5/6>O_3.

• 社団法人応用物理学会の論文
• 1990-10-20

著者

• SATO Shigeo

  Research Institute of Electrical Communication, Tohoku University

• Tsukada Takeo

  Research And Development Center Tdk Corp.

• Kohmoto Osamu

  Research And Development Center Tdk Corp.:(present Temporary Address)department Of Physies And Astro

• Sato Shigeo

  Research And Development Center Tdk Corp.

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• High Coercive Force of Substituted SrFe_M_αO_ (M=Al, Cr) Ferrite Particles

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