Development of mesoscopic devices using natural nanostructures

2009 Fiscal Year Self-evaluation Report

• Project Area: New Materials Science Using Regulated Nano Spaces －Strategy in Ubiquitous Elements
• Project/Area Number: 19051007
• Research Category: Grant-in-Aid for Scientific Research on Priority Areas
• Allocation Type: Single-year Grants
• Review Section: Science and Engineering
• Research Institution: Tokyo Institute of Technology
• Principal Investigator: KAMIYA Toshio Tokyo Institute of Technology, 応用セラミックス研究所, 准教授 (80233956)
• Project Period (FY): 2007 – 2011
• Keywords: 名の構造結晶 / メゾスコピックデバイス / C12A7ナノ加工技術 / 電荷輸送

Research Abstract

酸化物結晶には、ゼオライトやC12A7に見られる0次元ドット構造、アパタイトなどに見られる1次元トンネル型構造、多くの複酸化物に見られる2次元層状構造など、サブナノメートルから数十ナノメートルサイズの周期構造を持つものが多く存在する。これら物質に含まれる自然ナノ構造を利用して、量子サイズ効果、単一電子帯電効果に起因する現象の確認および電子デバイスの開発を行うことを目的とする。
この目的を達成するため、本研究では、ナノ構造材料の探索、材料に適したナノ加工技術の開発、ナノデバイス構造の提案と作製、および光・電子特性評価を行う。

Research Products

• [Journal Article] Bistable resistance switching in surface-oxidized C12A7:e- single-crystal (2009)
  • Author(s): Y. Adachi, S.-W. Kim, T. Kamiya, H. Hosono
  • Journal Title: Mater. Sci. & Eng. B 161 Pages: 76-79
  • Peer Reviewed
• [Journal Article] Fabrication and transport properties of 12CaO・7Al2O3 (C12A7) electride nanowire (2008)
  • Author(s): Y. Nishio, K. Nomura, M. Miyakawa, K. Hayashi, H. Yanagi, T. Kamiya, M. Hirano, H. Hosono
  • Journal Title: phys. stat. solidi (a) 205 Pages: 2047-2051
  • Peer Reviewed
• [Journal Article] Localized and Delocalized Electrons in Room-Temperature Stable Electride [Ca24Al28O64]4+(O2-)2-x(e-)2x: Analysis of Optical Reflectance Spectra (2008)
  • Author(s): S. Matsuishi, S.W. Kim, T. Kamiya, M. Hirano, H. Hosono
  • Journal Title: J. Phys. Chem. C 112 Pages: 4753-4760
  • Peer Reviewed
• [Journal Article] Novel room temperature stable electride 12SrO・7Al2O3 thin films: fabrication, optical and electron transport properties (2007)
  • Author(s): M Miyakawa, N. Ueda, T. Kamiya, M. Hirano, H. Hosono
  • Journal Title: J. Ceram. Soc. Jpn. 115 Pages: 568-570
  • Peer Reviewed
• [Journal Article] High electron doping to a wide band gap semiconductor 12CaO・7Al2O3 thin film (2007)
  • Author(s): M. Miyakawa, M. Hirano, T. Kamiya, H. Hosono
  • Journal Title: Appl. Phys. Lett. 90 Pages: 182105-1-3
  • Peer Reviewed
• [Presentation] Electronic structures of Mn-based layered crystals: LaMnPnO and BaMn2Pn2 (2009)
  • Author(s): Toshio Kamiya, Hiroshi Yanagi, Takumi Watanabe, Masahiro Hirano, Hideo Hosono
  • Organizer: 3rd International Symposium on Science and Technology of Advanced Ceramics
  • Place of Presentation: Yokohama, Japan
  • Year and Date: 2009-06-18
• [Presentation] Short-channel nanowire transistor using a nanoporous crystal semicondctor 12CaO・Al2O3 (2009)
  • Author(s): Yukimasa Nishio, Kenji Nomura, Hiroshi Yanagi, Toshio Kamiya, Masahiro Hirano, Hideo Hosono
  • Organizer: 3rd International Symposium on Science and Technology of Advanced Ceramics
  • Place of Presentation: Yokohama, Japan
  • Year and Date: 2009-06-16
• [Presentation] Impurities in FeAs-based superconductor, SrFe2As2 (2009)
  • Author(s): Toshio Kamiya, Hidenori Hiramatsu, Takayoshi Katase, Masahiro Hirano, Hideo Hosono
  • Organizer: 3rd International Symposium on Science and Technology of Advanced Ceramics
  • Place of Presentation: Yokohama, Japan
  • Year and Date: 2009-06-16
• [Presentation] 導電性12CaO・7Al2O3:e-の低温酸化によるキャリア制御とナノワイヤトランジスタ (2008)
  • Author(s): 西尾幸真、野村研二、宮川仁、柳博、神谷利夫、細野秀雄
  • Organizer: 薄膜材料デバイス研究会第5回研究集会
  • Place of Presentation: 奈良
  • Year and Date: 2008-10-31
• [Presentation] Bistable resistance switching in single crystal C12A7:O2- (2008)
  • Author(s): Yutaka Adachi, Sung-Wng Kim, Toshio Kamiya, Hideo Hosono
  • Organizer: STAC-STSI
  • Place of Presentation: Chiba, Japan
  • Year and Date: 2008-05-31
• [Remarks]
  • URL: http://www.khlab.msl.titech.ac.jp/