Non-equilibrium stationary state in mesoscopic thermoelectric devices

• Project/Area Number: 19560044
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Applied physics, general
• Research Institution: Japan Advanced Institute of Science and Technology
• Principal Investigator: IWASAKI Hideo Japan Advanced Institute of Science and Technology, マテリアルサイエンス研究科, 准教授 (70168558)
• Project Period (FY): 2007 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000); Fiscal Year 2008: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000); Fiscal Year 2007: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
• Keywords: 熱電変換素子 / ハーマン法 / 非平衡定常状態 / 電子-格子系

Research Abstract

代表的な熱電変換素子であるBi、及び(Bi, Sb)2Te3のマイクロワイヤーの作製法を確立し、ハーマン法に基づき、熱電物性評価装置の開発、評価実験を行った。バルク素子では本題の非平衡定常状態の発現とその物理的機構を明らかにした。また、熱電性能指数と結晶の配向性(結晶の異方性)の関係を詳細に調べ、熱電素子の高性能化のための指針を明らかにした。

Research Products

• [Journal Article] Evaluation of thermoelectric properties in Bi-microwires by the Harman method (2008)
  • Author(s): H. Iwasaki, H. Morita and Y. Hasegawa
  • Journal Title: Jpn. J. Appl. Phys 47 Pages: 3576-3580
  • NAID: 40016057247
  • Peer Reviewed
• [Journal Article] ハーマン法によるメソスコピック系熱電変換素子の熱電物性評価 (2008)
  • Author(s): 岩崎秀夫
  • Journal Title: 日本熱電学会誌 第4巻、No.3 Pages: 11-18
  • Peer Reviewed
• [Journal Article] Evaluation of Thermoelectric Properties in Bi-microwires by the Harman Method (2008)
  • Author(s): H. Iwasaki, H. Morita, Y. Hasegawa
  • Journal Title: Japanese Journal of Applied Physics 47-NO. 5 Pages: 3576-3580
  • NAID: 40016057247
  • Peer Reviewed
• [Journal Article] Thermoelectric Properties of Hf1-xZrxTe5 polycrystals with high density (2008)
  • Author(s): H.Iwasaki, T.Sato, Y.Ohnoand K.Hasumi
  • Journal Title: Proc.26th Int.Conf.on Thermoelectrics
  • Peer Reviewed
• [Journal Article] ハーマン法によるメソスコピック系熱電変換素子の熱電物性評価 (2008)
  • Author(s): 岩崎 秀夫
  • Journal Title: 日本熱電学会誌 4巻No.3 Pages: 1-18
  • Peer Reviewed
• [Journal Article] Evaluation of Thermoelectric Properties in Bi-microwires by the Harman Method (2008)
  • Author(s): H.Iwasaki, H.Morita and Y.Hasegawa
  • Journal Title: Japanese Journal of Applied Physics 47-No.5
  • NAID: 40016057247
  • Peer Reviewed
• [Journal Article] The effect of Eu-substitution on thermoelectric properties of SrTi_<0.8>_Nb_<0.2>O_3 (2007)
  • Author(s): K. Kato, M. Yamamoto, S. Ohta, H. Ohta, K. Koumoto, H. Muta, K. Kurosaki, S. Yamanaka and H. Iwasaki
  • Journal Title: J. Appl. Phys 102
  • Peer Reviewed
• [Journal Article] Thermoelectric properties of Hf_<1-x>Z_rxTe_5 polycrystals with high density (2007)
  • Author(s): H. Iwasaki, T. Sato, Y. Ohno and K. Hasumi
  • Journal Title: Proc. 26^<th> Int. Conf. on Thermoelectrics PA-32-1-3
  • Peer Reviewed
• [Journal Article] The effect of Eu substitution on thermoelectric properties of SrTi0.8Nb0.203 (2007)
  • Author(s): K.Kato, M.Yamamoto, S.Ohta, H.Muta, K.Kurosaki, S.Yamanaka, H.lwasaki, H.OhtaandK.Koumoto
  • Journal Title: Journal of Applied Physics 102
  • Peer Reviewed
• [Presentation] 斜方晶構造を持つ(Bi, Sb)_2, S_3の低温熱電物性 (2009)
  • Author(s): 川本祐介, 大木新一, 星山貞雄, 岩崎秀夫
  • Organizer: 第56回応用物理関係連合講演会
  • Place of Presentation: 筑波大学(つくば市)
  • Year and Date: 2009-03-31
• [Presentation] Bi-Te系細線素子の作製と熱電性能評価 (2008)
  • Author(s): 岩崎秀夫, 松並博之, 鴇田雅也
  • Organizer: 第69回応用物理学会学術講演会
  • Place of Presentation: 中部大学
  • Year and Date: 2008-09-03
• [Presentation] Bi-Te系細線素子の作製と熱電性能評価 (2008)
  • Author(s): 岩崎秀夫, 松並博之, 鴇田雅也
  • Organizer: 第69回応用物理学会学術講演会
  • Place of Presentation: 中部大学(春日井市)
  • Year and Date: 2008-09-03
• [Presentation] Evaluation of thermoelectric properties in mesoscopic materials by improved Harman method (2008)
  • Author(s): H. Iwasaki, H. Matsnami, H. Morita, Y. Hasegawa
  • Organizer: 27^<th> International Conference on Thermoelectricity
  • Place of Presentation: Oregon state Unv. (USA)
  • Year and Date: 2008-08-05
• [Presentation] 斜方晶構造を持つ(Bi, Sb)_2S_3の低温熱電物性 (2008)
  • Author(s): 川本祐介, 大木新一, 星山貞雄, 岩崎秀夫
  • Organizer: 第56回応用物理関係連合講演会
  • Place of Presentation: 筑波大学
  • Year and Date: 2008-03-31
• [Presentation] Evaluation of thermoelectric properties in mesoscopic materials by inmpoved Harman method (2008)
  • Author(s): H.Iwasaki, H.Matsunami, H. Morita and Y.Hasegawa
  • Organizer: 27^<th> Int. Conf. on Thermoelectricity
  • Place of Presentation: Corvallis, USA
• [Presentation] Evaluation of thermoelectric properties in nano-structured materials by improved Harman method (2008)
  • Author(s): H.Iwasaki
  • Organizer: JAIST International Workshop on Nanoscopic The rmoelectricity
  • Place of Presentation: JAIST
• [Presentation] 熱電変換材料の物性測定について (2007)
  • Author(s): 岩崎秀夫
  • Organizer: 第68 回応用物理学会学術講演会
  • Place of Presentation: 北海道工業大学
  • Year and Date: 2007-09-07
• [Presentation] 熱電変換材料の物性測定について (2007)
  • Author(s): 岩崎 秀夫
  • Organizer: 応用物理学会
  • Place of Presentation: 北海道工大
  • Year and Date: 2007-09-07
• [Presentation] Biマイクロワイヤーの熱電性能指数 (2007)
  • Author(s): 松並博之, 岩崎秀夫, 森田寛之, 長谷川靖洋
  • Organizer: 第68回応用物理学会学術講演会
  • Place of Presentation: 北海道工業大学
  • Year and Date: 2007-09-06
• [Presentation] Zr_<1-x>Hf_xT<e5> 多結晶素子の作製と熱電物性 (2007)
  • Author(s): 荷見賢治, 佐藤智哉, 大野陽平, 岩崎秀夫
  • Organizer: 第68回応用物理学会学術講演会
  • Place of Presentation: 北海道工業大学
  • Year and Date: 2007-09-06
• [Presentation] Zr_<1-x>Hf_xTe_5多結晶素子の作製と熱電物性 (2007)
  • Author(s): 荷見 賢治, 佐藤 智哉, 大野 陽平, 岩崎 秀夫
  • Organizer: 応用物理学会
  • Place of Presentation: 北海道工大
  • Year and Date: 2007-09-06
• [Presentation] Biマイクロワイヤーの熱電性能指数 (2007)
  • Author(s): 松並 博之, 岩崎 秀夫, 森田 寛之, 長谷川 靖洋
  • Organizer: 応用物理学会
  • Place of Presentation: 北海道工大
  • Year and Date: 2007-09-06
• [Presentation] Accurate evaluation of thermoelectric properties in mesoscopic materials by the Harman method (2007)
  • Author(s): H. Iwasaki
  • Organizer: 7^<th>Pacific Rim Conference on Ceramic and Glass Technology
  • Place of Presentation: Shanghai, China
• [Presentation] Thermoelectric Properties of Hf1-xZrxTe5 polycrystals with high density (2007)
  • Author(s): H. Iwasaki, T. Sato, Y. Ohno and K. Hasumi
  • Organizer: Int. Conf. on Thermoelectricity
  • Place of Presentation: 韓国・済州
• [Presentation] Thermoelectric Properties of Hfl-xZrxTe5 polycrystals with high density (2007)
  • Author(s): H.Iwasaki, T.Sato, Y.Ohnoand K.Hasumi
  • Organizer: 国際熱電学会
  • Place of Presentation: 韓国・済州
• [Presentation] Accurate evaluation of thermoelectric properties in mesoscopic materials by the Harman method (2007)
  • Author(s): H.Iwasaki, H.Matsunami, H.Morita and Y.Hasegawa
  • Organizer: Pacific Rim Conference on Ceramic and Glass Technology
  • Place of Presentation: 中国・上海
• [Book] 熱電変換技術ハンドブック第2章第6節-3ハーマン法 (2008)
  • Author(s): 岩崎秀夫(共著)
  • Publisher: エヌ・ティー・エス(株)