書誌事項
- タイトル別名
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- Thermoelectric Property of Sr and Cu Substituted Ca3Co4O9+.DELTA.
- Sr Cu フクゴウ チカン Ca3Co4O 9 デルタ ノ ネツデントクセイ
- Thermoelectric Property of Sr and Cu Substituted Ca3Co4O9+δ
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Ca3-xSrxCo4-yCuyO9+δ (x=0, 0.1, 0.3; y=0, 0.05, 0.1) samples were prepared by using a conventional ceramic method. The crystal structure, bulk density and thermoelectric properties of the samples were investigated. In the X-ray diffraction patterns of the samples sintered at 1100°C, the single phase of Ca3Co4O9+δ was obtained. Lattice constants were increased with x and y, which suggested that Sr and Cu were substituted for Ca and Co in the Ca3Co4O9+δ structure, respectively. The sample with x=0.3 and y=0.1 got the highest density because the grain size bacame small and the void was removed.<BR>The highest density sample had the highest conductivity in all samples. The Seebeck coefficient didn't change by substitution. As a result, the sample with x=0.3 and y=0.1 had the highest power factor in all samples because of increase of the conductivity by substitution.
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 57 (4), 237-241, 2010
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
- 1390001206306948224
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- NII論文ID
- 10026346590
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- NII書誌ID
- AN00222724
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- COI
- 1:CAS:528:DC%2BC3cXlsl2gsL8%3D
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- ISSN
- 18809014
- 05328799
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- NDL書誌ID
- 10674000
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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
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- 使用不可