Programmed emergence phenomena in oxide nanostructures

2010 Fiscal Year Self-evaluation Report

• Project Area: Emergent Chemistry of Nano-scale Molecular System
• Project/Area Number: 20111005
• Research Category: Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)
• Allocation Type: Single-year Grants
• Review Section: Science and Engineering
• Research Institution: Osaka University
• Principal Investigator: KAWAI Tomoji Osaka University, 産業科学研究所, 特任教授(常勤) (20092546)
• Project Period (FY): 2008 – 2012
• Keywords: 遷移金属酸化物 / ナノワイヤ構造 / 創発化学 / 高次ナノ構造 / 気液固反応法

Research Abstract

本研究では"動的非平衡プロセスである気-液-固相(Vapor-Liquid-Solid : VLS)反応法"に着目し、遷移金属酸化物を創発的に低次元ナノ構造化するメカニズムを解明し、従来困難であった階層を越えた遷移金属酸化物の高次ナノ構造体を実現することを目的とする。

Research Products

• [Journal Article] Numerical study on the difference in mechanism between vapor-solid and vapor-liquid-solid solidification processes (2010)
  • Author(s): M.Suzuki, Y.Hidaka, T.Yanagida, M.Kanai, T.Kawai, S.Kai
  • Journal Title: Physical Review E 82(1) Pages: 011605(1-7)
  • Peer Reviewed
• [Journal Article] Crucial Role of Doping Dynamics on Transport Properties of Sb-doped SnO2 Nanowires (2009)
  • Author(s): A.Klamchuen, T.Yanagida, K.Nagashima, S.Seki, K.Oka, M.Taniguchi, T.Kawai
  • Journal Title: Applied Physics Letters 95(5) Pages: 053105(1-3)
  • Peer Reviewed
• [Journal Article] Nonvolatile Bipolar Resistive Memory Switching in Single Crystalline NiO Heterostructured Nanowires (2009)
  • Author(s): K.Oka, T.Yanagida, K.Nagashima, Hide.Tanaka, T.Kawai
  • Journal Title: Journal of the American Chemical Society 131(10) Pages: 3434-3435
  • Peer Reviewed
• [Presentation] Self-assembled metal oxide nanowires : synthesis, properties and non-volatile memory applications (2010)
  • Author(s): Tomoji Kawai
  • Organizer: The 9th JapanFrance Workshop on Nanomaterials
  • Place of Presentation: CEMES(Toulouse, France)
  • Year and Date: 2010-11-25
• [Presentation] Self-assembled metal oxide Nanowires : Synthesis, Properties and Non-voltile Memory Applciations (2010)
  • Author(s): Tomoji Kawai
  • Organizer: 3rd International Conference on Nanostructures、SElf-Assembly NanoSEA 2010
  • Place of Presentation: Congress Center, Cassis(Cassis, France)
  • Year and Date: 2010-06-28
• [Presentation] Heterostructured Oxide Nanowires and Their Interface Properties (2009)
  • Author(s): Tomoji Kawai
  • Organizer: Materials Research Society 2009 Spring Meeting
  • Place of Presentation: Moscone West, San Francisco Marriott(San Francisco, USA)
  • Year and Date: 2009-04-15
• [Remarks] ホームページ
  • URL: http://www-souhatsu.sanken.osaka-u.ac.jp/index.html