Development of functional devices made form dimensionally engineered narrow-gap semiconductors

2009 Fiscal Year Self-evaluation Report

• Project/Area Number: 19206067
• Research Category: Grant-in-Aid for Scientific Research (A)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Inorganic materials/Physical properties
• Research Institution: Tohoku University
• Principal Investigator: KAJITANI Tsuyoshi Tohoku University, 大学院・工学研究科, 教授 (80134039)
• Project Period (FY): 2007 – 2010
• Keywords: 半導体 / 熱電物性 / ナローギャップ / 合成 / 結晶構造 / 中性子回折 / インターカレーション

Research Abstract

光・熱・発電と情報伝達のための層状化合物ナローギャップ半導体デバイスと人工多層膜半導体デバイスの開発が本研究の目的である。本研究はバンドギャップが0.5eVから1.5eVの層状化合物ナローギャップ半導体を土台に、部分的な元素置換体、単結晶箔の堆積物、および、パルスレーザー蒸発法、ないし、スパッタ蒸発法による多層薄膜試料から、効率の良い熱電発電冷却素子、赤外LEDガラス素子およびガラス半導体レーザーを創製しようと考えた。本補助金によって、高真空スパッタ蒸着装置を購入して品位の高い多層膜試料を作製しようと計画した。

Research Products

• [Journal Article] (2009)
  • Author(s): K. Yubuta, Y. Miyazaki, I. Terasaki, T. Kajitani
  • Journal Title: Journal of Electronic Materials 38 Pages: 1116-1120
  • Peer Reviewed
• [Journal Article] (2009)
  • Author(s): T. Kajitani, K. Yubuta, X. Y. Huang, Y. Miyazaki
  • Journal Title: Journal of Electronic Materials 38 Pages: 1462-1467
  • Peer Reviewed
• [Journal Article] (2009)
  • Author(s): K. Hayashi, T. Nozaki, R. Fukatsu, Y. Miyazaki, T. Kajitani
  • Journal Title: Physical Review B80 Pages: 144413(1-5)
  • Peer Reviewed
• [Journal Article] (2008)
  • Author(s): D. Igarashi, Y. Miyazaki, T. Kajitani
  • Journal Title: Physical Review B78 Pages: 184112-1,6
  • Peer Reviewed
• [Journal Article] (2008)
  • Author(s): Y. Miyazaki, D. Igarashi, K. Hayashi, T. Kajitani
  • Journal Title: Physical Review B78 Pages: 214104-1,8
  • Peer Reviewed
• [Presentation] (2009)
  • Author(s): T. Kajitani, K. Yubuta, T. Shishido, S. Okada
  • Organizer: 28th International Conference on Thermoelectrics (ICT2009)
  • Place of Presentation: Freiburg, Germany
  • Year and Date: 2009-09-30
• [Presentation] (2009)
  • Author(s): Y. Miyazaki, Y. Saito, K. Hayashi, K. Yubuta, T. Kajitani
  • Organizer: 28th International Conference on Thermoelectrics (ICT2009)
  • Place of Presentation: Freiburg, Germany
  • Year and Date: 2009-07-30
• [Presentation] (2009)
  • Author(s): Kunio Yubuta, Xiangyang Huang, Yuzuru Miyazaki, Tsuyoshi Kajitani
  • Organizer: 28th International Conference on Thermoelectrics (ICT2009)
  • Place of Presentation: Freiburg, Germany
  • Year and Date: 2009-07-30
• [Presentation] (2008)
  • Author(s): D. Igarashi, Y. Miyazaki, K. Yubuta, T. Kajitani
  • Organizer: 27th International Conference on Thermoelectrics (ICT2008)
  • Place of Presentation: Corvallis, U.S.A.
  • Year and Date: 2008-08-05
• [Presentation] (2008)
  • Author(s): T, Kajitani, K. Yubuta, X. Y. Huang, Y. Miyazaki
  • Organizer: 27th International Conference on Thermoelectrics (ICT2008)
  • Place of Presentation: Corvallis, U.S.A.
  • Year and Date: 2008-08-05
• [Book] 電気学会誌(熱電特性に優れたd電子系酸化物三角 (カゴメ) 格子) (2008)
  • Author(s): 梶谷剛
  • Total Pages: 287-289