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- Suzuki Hirokazu
- Department of Electrical and Electronic Engineering, College of Engineering, Ibaraki University
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- Udono Haruhiko
- Department of Electrical and Electronic Engineering, College of Engineering, Ibaraki University
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- Kikuma Isao
- Department of Electrical and Electronic Engineering, College of Engineering, Ibaraki University
書誌事項
- タイトル別名
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- Thermoelectric Properties of Solution Grown β-FeSi<SUB>2</SUB> Single Crystals
- Thermoelectric Properties of Solution Grown ベータ FeSi2 Single Crystals
- Thermoelectric Properties of Solution Grown β-FeSi<SUB>2</SUB> Single Crystals
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We have measured the Seebeck coefficient of single crystalline β-FeSi2 grown by a temperature gradient solution growth (TGSG) method using Ga solvent. Rectangular-like β-FeSi2 plates with the size of (3–6)×(1–2)×0.3 mm3, where the longitudinal axis was [011], were prepared from the grown ingots. Typical resistivity and hole concentration of the crystals were 4×10−4 Ωm and 2×1025 m−3 at room temperature (RT), respectively. The Seebeck coefficient measured along the [011] direction was approximately 350 μV/K at RT and showed the maximum value of 500 μV/K between 20 and 25 K. We also found that the solution grown single crystals had large power factors below RT. The value was 3.4×10−4 Wm−1 K−2 at RT, which was about three times larger than that of sintered poly-crystals and CVT-grown single crystals. The maximum power factor was 4.5×10−4 Wm−1 K−2 around 150 K. The value was more than one order of magnitude larger than reported values.
収録刊行物
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- MATERIALS TRANSACTIONS
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MATERIALS TRANSACTIONS 47 (6), 1428-1431, 2006
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
- 1390282679227438208
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- NII論文ID
- 130004453147
- 10018160109
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- NII書誌ID
- AA1151294X
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- ISSN
- 13475320
- 13459678
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- NDL書誌ID
- 7950486
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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