書誌事項
- タイトル別名
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- Magnetic Properties and Composition of Ca-La-Co M-type Ferrites
- Ca-La-Co系M型フェライトの組成と磁気特性
- Ca La Coケイ Mガタ フェライト ノ ソセイ ト ジキ トクセイ
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説明
A synthesis and magnetic properties of Ca-La-Co M-type (Ca1-xLaxCoyFen-yOa) ferrite magnets were investigated. A M-type singlephase calcined powder was synthesized with a composition of x=0.5, y=0.2-0.3 and n=10.0-10.8. And a very high magnetic properties of Jr=0.453 T (4530 G) and HcJ=435 kA/m (5470 Oe) were obtained with a composition of x=0.5, y=0.3 and n=10.4 in sintered magnets. The magnetic properties greatly exceeds that of Sr-La-Co M-type ferrite, which has been the highest grade M-type hard ferrite. The improvement can be attributed to the 20% increase in anisotropic magnetic field in comparison to that of Sr-La-Co M-type ferrite. The temperature dependence of coercivity was also improved to ΔHcJ/HcJ/ΔT=0.11 %/K, compared to 0.16 %/K in Sr-La-Co ferrites.
収録刊行物
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- 粉体および粉末冶金
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粉体および粉末冶金 55 (7), 541-546, 2008
一般社団法人 粉体粉末冶金協会
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詳細情報 詳細情報について
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- CRID
- 1390001206309036288
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- NII論文ID
- 10024350691
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- NII書誌ID
- AN00222724
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- COI
- 1:CAS:528:DC%2BD1cXovFehtbg%3D
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- ISSN
- 18809014
- 05328799
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- NDL書誌ID
- 9587226
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDLサーチ
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可
