Investigation of catalytic characteristics of metal nano-particles using in situ observation techniques.

• Project/Area Number: 23510149
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Research Field: Microdevices/Nanodevices
• Research Institution: Hiroshima University
• Principal Investigator: Galif Kutlk 広島大学, 放射光科学研究センター, 特任准教授 (00444711)
• Project Period (FY): 2011-04-28 – 2016-03-31
• Project Status: Completed (Fiscal Year 2015)
• Budget Amount: ¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000); Fiscal Year 2015: ¥130,000 (Direct Cost: ¥100,000、Indirect Cost: ¥30,000); Fiscal Year 2014: ¥390,000 (Direct Cost: ¥300,000、Indirect Cost: ¥90,000); Fiscal Year 2013: ¥130,000 (Direct Cost: ¥100,000、Indirect Cost: ¥30,000); Fiscal Year 2012: ¥260,000 (Direct Cost: ¥200,000、Indirect Cost: ¥60,000); Fiscal Year 2011: ¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
• Keywords: ナノ粒子 / 電子分光 / 走査トンネル顕微鏡 / 局在電子 / 薄膜 / 光電子分光 / ナノ触媒 / 金属クラスター / 希土類金属 / 電子構造 / 逆光電子分光 / STM / 金属ナノ粒子 / 表面・界面 / STM STS / graphite / 表面・界面物性 / 表面物性

Outline of Final Research Achievements

Structure of Sm nano particle was measured by scanning tunneling microscopy (STM). While Sm nano particle less than 0.2nm shows nonmetallic characteristics, the particle greater than 0.3nm shows metallic characteristics in the STS spectrum. For Sm bulk crystal the its d,f electronic states near the Fermi level have empty states, these empty states on the Fermi level is not observed in the nano particle. We have observed the localized electronic states are sensitive to the change of local atomic structures.

Research Products

• [Journal Article] Metal-semiconductor transition concomitant with a structural transformation in tetrahedrite Cu12Sb4S13 (2016)
  • Author(s): H. I. Tanaka, K. Suekuni, K. Umeo, T. Nagasaki, H. Sato, G. Kutluk, E. Nishibori, H. Kasai, T. Takabatake
  • Journal Title: Journal of Physical Society of Japan Volume: 85 Issue: 1 Pages: 014703-014703
  • DOI: 10.7566/jpsj.85.014703
  • NAID: 210000133804
  • Peer Reviewed / Int'l Joint Research
• [Journal Article] VUV light induced valence degeneration in Sm over-layer on HOPG (2013)
  • Author(s): G. Kutluk, M. Nakatake, M.Arita, Y. Ishitobi, H. Sumida, H. Namatame, M. Taniguchi
  • Journal Title: Journal of Physics: Conference Series Volume: 425 Issue: 13 Pages: 1320071-1320074
  • DOI: 10.1088/1742-6596/425/13/132007
  • Peer Reviewed
• [Presentation] Electronic properties of Sm nanostructure (2014)
  • Author(s): G. Kutluk1, M. Nakatake1, M. Ye1,3, M. Arita1, H. Sumida2, Y. Kooda2, H. Namatame1, M. Taniguchi1
  • Organizer: The 7th International Symposium on Surface Science (ISSS-7)
  • Place of Presentation: Matsue, Japan
  • Year and Date: 2014-11-02 – 2014-11-06
• [Presentation] Electronic property of Li overlayer on graphite (2014)
  • Author(s): G. Kutluk1, M. Nakatake1, M.Arita1, H. Sumida2, Y. Kooda, H. Namatame1, M. Taniguchi1
  • Organizer: European conference on surface science (ECOSS30)
  • Place of Presentation: Antalya, Turky
  • Year and Date: 2014-08-31 – 2014-09-05
• [Presentation] Electronic property of Li overlayer on graphite (2014)
  • Author(s): G. Kutluk, M. Nakatake, M.Arita, H. Sumida, H. Namatame, M. Taniguchi
  • Organizer: The 18th Hiroshima international symposium on synchrotron radiation
  • Place of Presentation: 広島大学
• [Presentation] Selective synthesis of CuS and Cu2S thin films and S K-edge XAFS characterization (2014)
  • Author(s): Toma Takiguchi, Tomoe Tahara, Naoki Noguchi, Galif Kutluk, Hirofumi Namatame and Shinjiro Hayakawa
  • Organizer: The 18th Hiroshima international symposium on synchrotron radiation
  • Place of Presentation: 広島大学
• [Presentation] In-situ XAFS measurements of lithium secondary batteries with lithium titanium oxide negative active material (2014)
  • Author(s): Shinjiro Hayakawa, Susumu Mineoi, Hirosuke Sumida, Kenjiro Momosaki,Galif Kutluk and Hirofumi Namatame
  • Organizer: The 18th Hiroshima international symposium on synchrotron radiation
  • Place of Presentation: 広島大学
• [Presentation] HOPG上に形成したLi 薄膜の電子構造 (2013)
  • Author(s): アーリップ クトウルク，仲武昌史，有田将司，生天目博文，谷口雅樹
  • Organizer: 日本放射光学会
  • Place of Presentation: 名古屋大学
• [Presentation] Electronic properties of Sm nanostructure (2013)
  • Author(s): G. Kutluk, M. Nakatake, M. Ye, M.Arita, H. Sumida, H. Namatame, M. Taniguchi
  • Organizer: The 17th Hiroshima international symposium on synchrotron radiation
  • Place of Presentation: Hiroshima university
• [Presentation] HOPG上に形成したLi 薄膜の電子構造 (2013)
  • Author(s): アーリップ クトウルク，仲武昌史，有田将司，生天目博文，谷口雅樹
  • Organizer: 日本物理学会第68回年次大会
  • Place of Presentation: 広島大学
• [Presentation] VUV light induced valence degeneration in Sm over-layer on HOPG (2012)
  • Author(s): G. Kutluk, M. Nakatake, M.Arita, Y. Ishitobi, H. Sumida, H. Namatame, M. Taniguchi
  • Organizer: 11th International Conference on Synchrotron Radiation Instrumentation (SRI 2012)
  • Place of Presentation: Lyon, France
• [Presentation] HOPG上に形成したLi 薄膜の電子構造 (2012)
  • Author(s): アーリップ クトウルク，仲武昌史，有田将司，住田 弘、生天目博文，谷口雅樹
  • Organizer: 第73回応用物理学会学術講演会
  • Place of Presentation: 松山大学 愛媛大学