Dangling bonds and nanotribological characteristics studied by electron spin resonance

• Project/Area Number: 19360075
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Design engineering/Machine functional elements/Tribology
• Research Institution: Kobe University
• Principal Investigator: OHMAE Nobuo Kobe University, 大学院・工学研究科, 教授 (60029345)
• Co-Investigator(Kenkyū-buntansha): KINOSHITA Hiroshi 神戸大学, 大学院・工学研究科, 助教 (50362760)
• Project Period (FY): 2007 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥13,390,000 (Direct Cost: ¥10,300,000、Indirect Cost: ¥3,090,000); Fiscal Year 2008: ¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000); Fiscal Year 2007: ¥9,230,000 (Direct Cost: ¥7,100,000、Indirect Cost: ¥2,130,000)
• Keywords: ダングリングボンド / トライボロジー / 電子スピン共鳴 / 高配向熱分解グラファイト / 先進炭素材料 / ナノトライボロジー / 表面損傷

Research Abstract

表面に出ている未結合の手のことをダングリングボンドと称する。相手表面と即座に結合するので、摩擦はこの結合を引き千切りながら進行することとなる。すなわち、ダングリングボンドは摩擦の起源となる。電子スピン共鳴(ESR)を用いてダングリンボンドと摩擦力、凝着力との高い相関を明らかにするとともに、高配向熱分解グラファイト表面におけるダングリングボンドの数を計測する手法を開発し、真空中では1×10^5/mm^2、大気中では6×10^4/mm^2 であることを世界で初めて明らかにした。

Research Products

• [Journal Article] Fabrication of fullerene nanoring on an oxidized HOPG surface (2009)
  • Author(s): N.Matsumoto, H.Kinoshita and N.Ohmae
  • Journal Title: Diamod and Related Materials Volume18, Numbers2-3 Pages: 399-402
  • Peer Reviewed
• [Journal Article] Fabrication of Fullerene Nanoring on an Oxidized HOPG Surface (2009)
  • Author(s): N. Matsumoto
  • Journal Title: Diamond & Eelated Materials 18 Pages: 399-402
  • Peer Reviewed
• [Journal Article] Shaping carbon nanotube bundles during growth using a magnetic field (2008)
  • Author(s): N.Ohmae
  • Journal Title: Carbon Volume 46, Number 3 Pages: 544-546
  • Peer Reviewed
• [Journal Article] Interactive strength between C60 thin film and Si(001) and its influence on nano-scaled tribology (2008)
  • Author(s): N.Matsumoto, H.Suzuki, H.Kinoshita and N.Ohmae
  • Journal Title: Tribology Online Volume 3 Pages: 232-237
  • NAID: 130000067394
  • Peer Reviewed
• [Journal Article] Mechanical and tribological behaviour of carbon nanotube brushes (2008)
  • Author(s): D.Jarzabek, Z.Rymuza, T.Wada and N.Ohmae
  • Journal Title: International Journal of Materials Research (Zeitschrift fur Metallkunde) Volume 99, No.3 Pages: 883-887
  • Peer Reviewed
• [Journal Article] Anti-wear and friction reduction mechanisms of carbon nano-onions as lubricants additives (2008)
  • Author(s): L.Joly-Pottuz, B.Vacher, N.Ohmae, J.M.Martin and T.Epicier
  • Journal Title: Tribology Letters Volume 30, Number 1 Pages: 69-80
  • Peer Reviewed
• [Journal Article] Diamond-derived carbon onions as lubricant additives (2008)
  • Author(s): L.Joly-Pottuz, N.Matsumoto, H.Kinoshita, B.Vacher, M.Belin, G.Montagnac, J.M.Martin and N.Ohmae
  • Journal Title: Tribology International Volume 41, Number 2 Pages: 69-78
  • Peer Reviewed
• [Journal Article] Interactive Strength between Coo Thin Film and Si(OO1) and its Influence on Nano-Scaled Tribology (2008)
  • Author(s): N. Matsumoto
  • Journal Title: Tribology Online, Japanese Society of Tribologists 3 Pages: 232-237
  • Peer Reviewed
• [Journal Article] Diamond-derived Carbon Onions as Lubricant Additives (2008)
  • Author(s): L. Joly-Pottuz
  • Journal Title: Tribology International 41 Pages: 69-78
  • Peer Reviewed
• [Journal Article] Shaping carbon nanotube bundles during growth using a magnetic field. (2008)
  • Author(s): 大前 伸夫
  • Journal Title: Carbon 46 Pages: 544-546
  • Peer Reviewed
• [Journal Article] Synthesis and mechanical properties of carbon nanotube/diamond-like carbon composite films (2007)
  • Author(s): H.Kinoshita, I.Kume, H.Sakai and N.Ohmae
  • Journal Title: Diamond and Related Materials Volume 16, Number 11 Pages: 1940-1944
  • NAID: 120001478925
  • Peer Reviewed
• [Journal Article] Application of onion-like carbon to micro and nanotribology (2007)
  • Author(s): N.Matsumoto, L.Joly-Pottuz, H.Kinoshita and N.Ohmae
  • Journal Title: Diamond and Related Materials Volume 16, Numbers 4-7 Pages: 1227-1230
  • Peer Reviewed
• [Journal Article] Atomic structure and field evaporation of carbon nanotube studied by atom probe field ion microscopy (2007)
  • Author(s): N.Ohmae, N.Matsumoto, T.Ohata and H.Kinoshita
  • Journal Title: Diamond and Related Materials Volume 16, Numbers 4-7 Pages: 1179-1182
  • Peer Reviewed
• [Journal Article] Application of onion-like carbon to micro and nanotribology. (2007)
  • Author(s): 松本 直浩
  • Journal Title: Diamond and Related Materials 16 Pages: 1227-1230
  • Peer Reviewed
• [Journal Article] Synthesis and mechanical properties of carbon nanotube/diamond-like carbon composite films. (2007)
  • Author(s): 木之下 博
  • Journal Title: Diamond and Related Materials 16 Pages: 1940-1944
  • NAID: 120001478925
  • Peer Reviewed
• [Presentation] Role of dangling bonds on friction of graphitic materials (2009)
  • Author(s): N.Ohmae, S.Miyatake and N.Matsumoto
  • Organizer: Tribochemistry Kyoto
  • Place of Presentation: Kyoto, Japan
• [Presentation] 表面ダングリングボンドの計測とトライボロジー (2009)
  • Author(s): 大前伸夫
  • Organizer: 日本トライボロジー学会, トライボロジー会議2009春
  • Place of Presentation: 東京
• [Presentation] Tribological properties of carbon nanotubes and onions depending on applied forces (2008)
  • Author(s): N. Ohmae
  • Organizer: 2nd International Conference on Advanced Tribology 2008
  • Place of Presentation: Singapore
  • Year and Date: 2008-12-03
• [Presentation] Nanolubrication Invited Panel (2008)
  • Author(s): N. Ohmae
  • Organizer: STLE 2008 Annual Meeting
  • Place of Presentation: USA
  • Year and Date: 2008-05-18
• [Presentation] Synthesis and application of carbon nanotubes (2008)
  • Author(s): N. Ohmae
  • Organizer: 3rd International Francophone Congress in Advanced Mechanics
  • Place of Presentation: Syria
  • Year and Date: 2008-04-21
• [Presentation] Tribological properties of carbon nanotubes and onions depending on applied forces (2008)
  • Author(s): N.Ohmae
  • Organizer: 2^<nd> International Conference on Advanced Tribology
  • Place of Presentation: Singapore
• [Presentation] Invited Panel on Nanotribology III, Nanolubrication Panel Session (2008)
  • Author(s): N.Ohmae
  • Organizer: 63^<rd> STLE Annual Meeting
  • Place of Presentation: Cleveland, OH
• [Presentation] Synthesis and application of carbon nanotubes (2008)
  • Author(s): N.Ohmae
  • Organizer: 3^<rd> International Francophone Congress of Advanced Mechanis
  • Place of Presentation: Aleppo, Syria
• [Presentation] Dangling bonds in C_<60> and onionlike carbon studied by electron spin resonance asrelated to adhesion and friction. (2007)
  • Author(s): 大前 伸夫
  • Organizer: 34th Leeds-Lyon Symposium on Tribology
  • Place of Presentation: Lyon, France
  • Year and Date: 2007-09-06
• [Presentation] 電子スピン共鳴法によるC60のトライボロジー特性評価 (2007)
  • Author(s): 米谷雅紀, 木之下博, 大前伸夫
  • Organizer: 日本トライボロジー学会, トライボロジー会議2007秋
  • Place of Presentation: 佐賀
• [Presentation] AFM study on nanotribology between advanced carbon materials in UHV (2007)
  • Author(s): N.Matsumoto, H.Kinoshita and N.Ohmae
  • Organizer: 34th Leeds-Lyon Symposium on Tribology
  • Place of Presentation: Lyon, France
• [Presentation] Dangling bonds in C_60 and onionlike carbon studied by electron spin resonance as related to adhesion and friction (2007)
  • Author(s): N.Ohmae, M.Yonetani, N.Matsumoto
  • Organizer: 34th Leeds-Lyon Symposium on Tribology
  • Place of Presentation: Lyon, France
• [Book] Chapter 117 Nanotribology and nanoscale materials coatings for lubricants, Elsevier (2009)
  • Author(s): N.Ohmae
  • Publisher: Comprehensive Nanoscience and Technology(in printing)
• [Book] Comprehensive Nanoscience and Technology, Chapter 117 (in press) (2009)
  • Author(s): N. Ohmae
  • Publisher: Elsevier(未定)
• [Book] J.Wiley and Sons (2008)
  • Author(s): J.M.Martin and N.Ohmae
  • Publisher: Nanolubricants
• [Book] Nanolubricants 2008 (2008)
  • Author(s): J. M. Martin
  • Total Pages: 234
  • Publisher: John Wiley & Sons, Ltd
• [Book] Nanolubricants (2008)
  • Author(s): Jean Michel Martin
  • Total Pages: 230
  • Publisher: John Wiley & Sons
• [Patent(Industrial Property Rights)] オニオンライクカーボンの作製方法 (2009)
  • Inventor(s): 大前伸夫, 松本直浩
  • Industrial Property Rights Holder: 国立大学法人神戸大学
  • Industrial Property Number: 2009-047435
  • Filing Date: 2009-02-28
• [Patent(Industrial Property Rights)] オニオンライクカーポンの作製方法 (2009)
  • Inventor(s): 大前 伸夫 松本 直造
  • Industrial Property Rights Holder: 神戸大学
  • Industrial Property Number: 2009-047435
  • Filing Date: 2009-02-28