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磁場中におけるマイクロワイヤーアレイ素子のパワーファクター評価
https://sucra.repo.nii.ac.jp/records/10487
https://sucra.repo.nii.ac.jp/records/10487ac716df4-da10-437e-9540-e75b2defbd37
名前 / ファイル | ライセンス | アクション |
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GM0000021.pdf (1.5 MB)
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Item type | 学位論文 / Thesis or Dissertation(1) | |||||
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公開日 | 2008-03-07 | |||||
タイトル | ||||||
タイトル | 磁場中におけるマイクロワイヤーアレイ素子のパワーファクター評価 | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | microwire array | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | power factor | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Seebeck coefficient | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | crystal orientation | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_46ec | |||||
資源タイプ | thesis | |||||
タイトル(別言語) | ||||||
その他のタイトル | Power factor estimation of Bi microwire array in a magnetic field | |||||
著者 |
中野, 博文
× 中野, 博文 |
|||||
著者 ローマ字 | ||||||
Nakano, Hirofumi | ||||||
著者 所属 | ||||||
埼玉大学大学院理工学研究科環境制御システムコース環境支援システム講座エコエレクトロニクス研究室 | ||||||
著者 所属(別言語) | ||||||
Graduate School of Science and Engineering, Saitama University | ||||||
書誌 | ||||||
収録物名 | 平成19年度環境制御システムコース修士論文発表会要旨集 | |||||
書誌情報 | 巻 12, p. 73-76, 発行日 2008 | |||||
出版者名 | ||||||
出版者 | 埼玉大学大学院理工学研究科 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Microwire array samples having a diameter of 2, 6, 10, and 25μm were fabricated and a Bi polycrysatalline bulk sample was also prepared. Seebeck coefficient (α) and resistivity (ρ) of all the samples were measured under magnetic fields of 0-2 T at temperatures of 50-300 K. The magnitude of absolute value of the Seebeck coefficient and the resistivity were ncreased under magnetic fields, and power factor (PF) expressed by α2/ρ was estimated. It was shown that the PF has a maximum value (PF(Bpeak)) at an optimum magnetic field (Bpeak). Then, the magnitude of Bpeak was increased with increasing aspect ratio, which defined a wire length divided by a diameter. Improvement ratio of PF (PF(Bpeak)/PF(0)) in the magnetic field didn’t improve in below 200K using the bulk sample. On the other hand, the ratio improved in measured temperature region on all prepared microwire array samples. PF(Bpeak)/PF(0) achieved more than 1.5 times using a diameter of 6μm microwire array which had a highest mobility in the prepared samples. It was found that not only high aspect ratio like the microwire array sample but also high mobility make it possible to improve the power factor in a magnetic field. | |||||
注記 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 指導教員: 埼玉大学大学院理工学研究科准教授 長谷川靖洋 | |||||
その他の言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
内容記述タイプ | Other | |||||
内容記述 | text | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | application/pdf | |||||
作成日 | ||||||
日付 | 2008-03-06 | |||||
日付タイプ | Created | |||||
アイテムID | ||||||
GM0000021 |