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2008 Fiscal Year Final Research Report

Control of fractal dimension of Si nanocryatal assembly and its effect on the optical properties

Research Project

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Project/Area Number 19510112
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Nanostructural science
Research InstitutionKonan University

Principal Investigator

UMEZU Ikurou  Konan University, 理工学部, 教授 (30203582)

Co-Investigator(Kenkyū-buntansha) 杉村 陽  甲南大学, 理工学部, 教授 (30278791)
稲田 貢  関西大学, 工学部, 講師 (00330407)
Project Period (FY) 2007 – 2008
Research Abstract

バックグラウンドガス中でパルスレーザをターゲットに照射するとナノ結晶が生成する。本研究ではバックグラウンドガスにヘリウムと水素の混合ガスを用いナノ結晶を作成することによって、水素による表面水素化とナノ結晶の衝突位置が空間上と基板上で生成したナノ結晶集合体の構造を制御することに成功した。ナノ結晶の集合構造はナノ結晶間の相互作用によってナノ結晶集合体の光学的および電気伝導特性に影響を与えることを明らかにした。

  • Research Products

    (34 results)

All 2009 2008 2007

All Journal Article (14 results) Presentation (20 results)

  • [Journal Article] InTaO4-based nanostructures synthesized by reactive pulsed laser ablation2008

    • Author(s)
      T. Yoshida, H. Toyoyama, I. Umezu and A. Sugimura
    • Journal Title

      Applied Physics A 93

      Pages: 961-966

  • [Journal Article] Evolution of Energy Transfer Process between Quantum Dots of Two Different Sizes during the Evaporation of Solvent2008

    • Author(s)
      L. Wei, I. Umezu and A. Sugimura
    • Journal Title

      Jpn. J. Appl. Phys., Part 1 47

      Pages: 6592-6595

  • [Journal Article] Surface hydrogenation of silicon nanocrystallites during pulsed laser ablation of silicon target in hydrogen background gas2008

    • Author(s)
      I. Umezu, M. Takata and A. Sugimura
    • Journal Title

      J. Appl. Phys 103

      Pages: 114309, 1-5

  • [Journal Article] Oxidation processes of surface hydrogenated silicon nanocrystallites prepared by pulsed laser ablation and their effects on the photoluminescence wavelength2008

    • Author(s)
      I. Umezu, T. Makino, M. Inada, K. Matsumoto and A. Sugimura
    • Journal Title

      J. Appl. Phys. 103

      Pages: 024305, 1-8

  • [Journal Article] Formation of surface stabilized Si nanocrystal by pulsed laser ablation in hydrogen gasv2008

    • Author(s)
      I. Umezu, I. Kondo and A. Sugimura
    • Journal Title

      Applied Physics A 93

      Pages: 717-720

  • [Journal Article] Collective transport in silicon nanocrystal assembly2008

    • Author(s)
      M. Gibo, M. Inada, T. Saitoh, I. Umezu and A. Sugimura
    • Journal Title

      Proceedings of The International Meeting for Future of Electron Devices

      Pages: 115-116

  • [Journal Article] Collective Transport in Silicon Nanocrystal Assembly Prepared by Laser Ablation Method2008

    • Author(s)
      A. Sugimura, M. Gibo, M. Inada, T. Saitoh and I. Umezu
    • Journal Title

      Mater. Res. Soc. Symp. Proc. Vol.1145

      Pages: MM04-02-01-MM04-02-05

  • [Journal Article] Formation of nanoscale fine-structured silicon by pulsed laser ablation in hydrogen background gas2007

    • Author(s)
      I. Umezu, A. Sugimura, M. Inada, T. Makino, K. Matsumoto and M. Takata
    • Journal Title

      Phys. Rev. B 76

      Pages: 045321-145310

  • [Journal Article] Synthesis of photoluminescenct colloidal silicon nanoparticles by pulsed laser ablation in liquids2007

    • Author(s)
      I. Umezu, H. Minami, H. Senoo and A. Sugimura
    • Journal Title

      J. Phys. : Conf. Ser. 59

      Pages: 392-395

  • [Journal Article] Effects of surface oxidation on optical absorption of sillicon nanocrystallites2007

    • Author(s)
      I. Umezu, M. Koyama, T. Yoshida and A. SugimuraI. Umezu, M. Koyama, T. Yoshida and A. Sugimura
    • Journal Title

      Proceedings of 28th international conference on the physics of semiconductors 893

      Pages: 1433

  • [Journal Article] Fractal growth of silicon nanocrystallites during pulsed laser ablation2007

    • Author(s)
      I. Umezu, M. Inada, T. Makino and A. Sugimura
    • Journal Title

      Proceedings of 28th international conference on the physics of semiconductors 893

      Pages: 43

  • [Journal Article] Nanoparticle formation in the expansion process of a laser ablated plume2007

    • Author(s)
      M. Takiya, I. Umezu, M. Yaga and M. Han
    • Journal Title

      J. Phys.: Conf. Ser 59

      Pages: 445-448

  • [Journal Article] Plume analysis during pulsed laser ablation of silicon in hydrogen gas2007

    • Author(s)
      M. Takata, I. Umezu and A. Sugimura
    • Journal Title

      J. Phys.: Conf. Ser. 59

      Pages: 575-578

  • [Journal Article] Mechanism of Electron-Hole Pair Generation and Light Emission for Electro-Luminescence Devices with Silicon Nano-Crystals Prepared by Laser Ablation Method2007

    • Author(s)
      A. Sugimura, M. Koyama, M. Inada, T. Yoshida and I. Umezu
    • Journal Title

      Proceedings of 28th international conference on the physics of semiconductors 893

      Pages: 1433

  • [Presentation] 水素ガス中でのパルスレーザーアブレーション過程でのシリコンナノ構造体の形成2009

    • Author(s)
      梅津郁朗, 杉村陽
    • Organizer
      レーザー学会
    • Place of Presentation
      徳島大学
    • Year and Date
      20090100
  • [Presentation] パルスレーザーアブレーション法によって作製されたSiナノ結晶集合体における電子輸送特性2009

    • Author(s)
      宜保学, 稲田貢, 梅津郁朗, 齊藤正, 杉村陽
    • Organizer
      レーザー学会
    • Place of Presentation
      徳島大学
    • Year and Date
      20090100
  • [Presentation] 反応性パルスレーザーアブレーション法によるNiドープInTaO_4ナノ結晶の作製と可視光応答性2009

    • Author(s)
      豊山博一, 吉田岳人, 梅津郁朗, 杉村陽
    • Organizer
      レーザー学会
    • Place of Presentation
      徳島大学
    • Year and Date
      20090100
  • [Presentation] Synthesis of Ni-doped InTaO4 nanocrystallites by reactive pulsed laser ablation for application to visible-light-operating photocatalysts2008

    • Author(s)
      T. Yoshida, H. Toyoyama, I. Umezu and A. Sugimura
    • Organizer
      6th International Conference on Photo-Excited Processes and Applications
    • Place of Presentation
      Sapporo, Japan
    • Year and Date
      20080900
  • [Presentation] Variable range hopping conduction in chain-like silicon nanowires2008

    • Author(s)
      M. Inada, M. Gibo, H. Yamamoto, I.Umezu, T. Saitoh and A. Sugimura
    • Organizer
      Mat. Res. Soc. Symposium (2008 MRS spring meeting)
    • Place of Presentation
      San Francisco, USA
    • Year and Date
      20080000
  • [Presentation] Collective transport in silicon nanocrystal assembly2008

    • Author(s)
      M. Gibo, M. Inada, T. Saitoh, I. Umezu and A. Sugimura
    • Organizer
      International meeting for future of electron devices, Kansai (2008 IMFEDK)
    • Place of Presentation
      Osaka, Japan
    • Year and Date
      20080000
  • [Presentation] Collective transport in silicon nanocrystal assembly prepared by laser ablation method2008

    • Author(s)
      A. Sugimura, M. Gibo, M. Inada, T. Saitoh, I. Umezu
    • Organizer
      Mat. Res. Soc. Symposium (2008 MRS fall meeting)
    • Place of Presentation
      Boston, USA MM04-02
    • Year and Date
      20080000
  • [Presentation] レーザーアブレーション法におけるSiナノ結晶の集合体構造の形成に対する表面水素化の効果2008

    • Author(s)
      大久保旬人, 梅津郁朗, 杉村陽
    • Organizer
      応用物理学会
    • Place of Presentation
      中部大学
    • Year and Date
      2008-09-04
  • [Presentation] Siナノ結晶集合体における電子輸送特性2008

    • Author(s)
      宜保学, 稲田貢, 梅津郁朗, 齋藤正, 杉村陽
    • Organizer
      応用物理学会
    • Place of Presentation
      中部大学
    • Year and Date
      2008-09-04
  • [Presentation] Siナノ結晶集合体へのPイオンドープ2008

    • Author(s)
      平田圭, 宜保学, 吉田謙一, 稲田貢, 梅津郁朗, 長町信治, 齊藤正, 杉村 陽
    • Organizer
      応用物理学会
    • Place of Presentation
      中部大学
    • Year and Date
      2008-09-04
  • [Presentation] CdSeナノ粒子における発光寿命の濃度依存特性2008

    • Author(s)
      田井浩平, Wei Lu, 梅津郁朗, 杉村陽
    • Organizer
      応用物理学会
    • Place of Presentation
      中部大学
    • Year and Date
      2008-09-04
  • [Presentation] 反応性パルスレーザーアブレーション法によるInTaO4系ナノ構造体の作製II-Niドーピングの効果-2008

    • Author(s)
      豊山博一, 吉田岳人, 梅津郁朗, 杉村陽
    • Organizer
      日本物理学会第62回年次大会
    • Place of Presentation
      応用物理学会日本大学理工学部船橋キャンパス
    • Year and Date
      2008-03-30
  • [Presentation] InTaO_4-based nano-structures synthesized by reactive pulsed laser ablation2007

    • Author(s)
      T. Yoshida, H. Toyoyama, I. Umezu, and A. Sugimura
    • Organizer
      9th International Conference on Laser Ablation
    • Place of Presentation
      Tenerife, Spain
    • Year and Date
      20070924-28
  • [Presentation] REACTION BETWEEN AMBIENT AND EJECTED TARGET MATERIAL DURING PULSED LASER ABLATION IN WATER2007

    • Author(s)
      I. Umezu, H. Senoo and A. Sugimura
    • Organizer
      9th International Conference on Laser Ablation
    • Place of Presentation
      Tenerife, Spain
    • Year and Date
      20070924-28
  • [Presentation] FORMATION OF SURFACE STABILIZED Si NANOCRYSTALLITES BY PULSED LASER ABLATION IN HYDROGEN BACKGROUND GAS2007

    • Author(s)
      I. Umezu, I. Kondo and A. Sugimura
    • Organizer
      9th International Conference on Laser Ablation
    • Place of Presentation
      Tenerife, Spain
    • Year and Date
      20070924-28
  • [Presentation] DECREASE IN THE BONDING TEMPERATURE OF METAL BY USING NANOPARTICLES PREPARED BY PULSED LASER ABLATION2007

    • Author(s)
      T. Takiya, I. Umezu, A. Sugimura, H. Kaita, T. Tonoura, H. Yoshida and S. Ueguri
    • Organizer
      9th International Conference on Laser Ablation
    • Place of Presentation
      Tenerife, Spain
    • Year and Date
      20070924-28
  • [Presentation] アルキル基表面修飾Siナノ粒子の表面化学状態と光物性2007

    • Author(s)
      高嶋直也, 田中章順, 保田英洋, 梅津郁朗
    • Organizer
      日本物理学会
    • Place of Presentation
      北海道大学
    • Year and Date
      20070900
  • [Presentation] ブチル基表面修飾Si ナノ粒子の表面化学状態と光物性2007

    • Author(s)
      高嶋直也, 田中章順, 保田英洋, 梅津郁朗
    • Organizer
      ナノ学会
    • Place of Presentation
      つくば市
    • Year and Date
      20070500
  • [Presentation] Excitation energy transfer based on trap states of CdS quantum dots2007

    • Author(s)
      W. Lu, Y. Tokuhiro, I. Umezu, A. Sugimura and Y. Nagasaki
    • Organizer
      Nanoinsight 2007 international conference
    • Place of Presentation
      Luxor, Egypt
    • Year and Date
      20070310-17
  • [Presentation] パルスレーザーアブレーション法で作製したSiナノ結晶集合体の電子伝導機構2007

    • Author(s)
      宜保学, 稲田 貢, 梅津郁朗, 齋藤 正, 杉村陽
    • Organizer
      応用物理学会
    • Place of Presentation
      北海道工業大学
    • Year and Date
      2007-09-08

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Published: 2010-06-10   Modified: 2016-04-21  

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