書誌事項
- タイトル別名
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- Structure and Magnetic Properties of Co-Ni Spinel Ferrite Particles Synthesized via Co-Precipitation and Hydrothermal Treatment at Different Temperatures
- キョウチン ゴ コトナル オンド デ ノ スイネツ ショリ ニ ヨリ ゴウセイ シタ Co-Ni スピネルフェライト リュウシ ノ コウゾウ ト ジキ トクセイ
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<p>Co-Ni spinel ferrite particles were synthesized via chemical co-precipitation and subsequently performed hydrothermal treatment at different temperatures. Fine particles of size with a few nanometers and spherical or cubic particles of size approximately 30 nm, which are responsible for magnetic properties, were obtained. The crystallite size obtained using the Scherrer equation was 24-27 nm and showed no dependency on the hydrothermal treatment temperature unlike the apparent particle size observed using transmission electron microscopy. The coercive force showed a remarkable increase with the decrease in the hydrothermal treatment temperature from 141 kA/m at 240℃ to 400 kA/m at 100-120℃, in contrast to the decrease in magnetization from 60.0 Am2/kg at 240℃ to 37.2 Am2/kg at 100℃. The specific composition of the Co-Ni spinel ferrite particles is expected to affect the high coercive force and the remarkable dependency of the coercive force on the hydrothermal treatment temperature.</p><p> </p><p>Mater. Trans. 60(2019) 485-489に掲載</p>
収録刊行物
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- 日本金属学会誌
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日本金属学会誌 83 (6), 207-211, 2019-06-01
公益社団法人 日本金属学会
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詳細情報 詳細情報について
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- CRID
- 1390845713070155776
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- NII論文ID
- 130007653140
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- NII書誌ID
- AN00187860
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- ISSN
- 18806880
- 24337501
- 00214876
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- NDL書誌ID
- 029770051
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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
- Crossref
- CiNii Articles
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- 使用不可