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Structure chemistry and compression of non-crystalline silica-organic composite materials for diatom and radiolaria

Research Project

Project/Area Number 19540479
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Geology
Research InstitutionKanazawa University

Principal Investigator

OKUNO Masayuki  Kanazawa University, 自然システム学系, 教授 (40183032)

Project Period (FY) 2007 – 2009
Project Status Completed (Fiscal Year 2009)
Budget Amount *help
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2009: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2008: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2007: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Keywords珪藻 / 放散虫 / 非晶質シリカ / ナノ構造 / 粉砕 / SiO_4四面体 / シリカゲル / オパール / 赤外分光法 / 3員環 / 4員環 / X線回折法 / 圧密
Research Abstract

赤外分光法測定などにより,珪藻及び放散虫が,わずかな有機物(アミノ酸)とOH基及び水分子を含む非晶質シリカであり,珪藻の非晶質シリカはシリカゲルとシリカガラスの中間的な構造の特徴を持つことを明かにした。その加熱による変化についても解明した。また,珪藻の非晶質シリカは粉砕によりナノスケールの構造が変化し高密度化することを見出した。さらに,関連したシリカゲル及びオパールについて,その構造の加熱及び圧縮・粉砕による構造変化についても解明した。

Report

(4 results)
  • 2009 Annual Research Report   Final Research Report ( PDF )
  • 2008 Annual Research Report
  • 2007 Annual Research Report
  • Research Products

    (27 results)

All 2010 2009 2008 2007 Other

All Journal Article (10 results) (of which Peer Reviewed: 7 results) Presentation (15 results) Book (2 results)

  • [Journal Article] Structural changes of SiO_2 glass by mechanical milling2010

    • Author(s)
      Masaru Iwao
    • Journal Title

      J.Mineral.Petrol.Sci. (掲載確定)

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Shock compression of synthetic opal2010

    • Author(s)
      Akane Inoue
    • Journal Title

      Journal of Physics : Conference Series (掲載確定)

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Structure change of soda-silicate glass by mechanical milling2010

    • Author(s)
      Masaru Iwao
    • Journal Title

      Journal of Physics : Conference Series (掲載確定)

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 衝撃圧縮によるオパールの構造変化2008

    • Author(s)
      井上茜
    • Journal Title

      北陸支部ニュース 28号

      Pages: 2-2

    • Related Report
      2008 Annual Research Report
  • [Journal Article] Structural change of non-crystalline bionic silica of diatoms by heat treatment2007

    • Author(s)
      Okuno, M., Kitagawa, Y., Asada, R., Tazaki, K.
    • Journal Title

      Proceedings of IV Interanational Mineralogical Seminar

      Pages: 197-199

    • Related Report
      2009 Final Research Report
  • [Journal Article] Structural change of non-crystalline biogenic silica of diatoms by heat treatment2007

    • Author(s)
      M. Okuno
    • Journal Title

      Proceedings of IV International Mineralogical Seminar

      Pages: 197-199

    • Related Report
      2007 Annual Research Report
  • [Journal Article] 能登半島地震被害地の生活水(井戸水、湧き水、山水)の調査結果:地震災害時の迅速な指導と指示2007

    • Author(s)
      田崎 和江
    • Journal Title

      地球科学 61

      Pages: 281-292

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Shock compression of synthetic opal

    • Author(s)
      Inoue, A., Okuno, M., Okudera, H., Mashimo, T., Omurzak, E., Katayama, S., Koyano, M.
    • Journal Title

      J. Phys. :Conference Series (in press)

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] Structural change of soda-silicate glass by mechanical milling

    • Author(s)
      Iwao, M., Okuno, M.
    • Journal Title

      J. Phys. : Conference Series (in press)

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] Structural change of SiO2 glass by mechanical milling

    • Author(s)
      Iwao, M., Okuno, M., Koyano, M., Katayama, S.
    • Journal Title

      J. Mineral. Petrol. Sci. (in press)

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Presentation] 合成オパールの加熱変化2009

    • Author(s)
      奥野正幸, 井上茜, 奥寺浩樹
    • Organizer
      日本セラミックス協会北陸支部平成21年度秋季講演会
    • Place of Presentation
      AOSSA(福井県)
    • Year and Date
      2009-11-19
    • Related Report
      2009 Final Research Report
  • [Presentation] シリカゲルの機械的粉砕による構造変化2009

    • Author(s)
      奥野正幸
    • Organizer
      平成21年度日本鉱物科学会年会
    • Place of Presentation
      北海道大学(北海道)
    • Year and Date
      2009-09-10
    • Related Report
      2009 Final Research Report
  • [Presentation] シリカゲルの機械的粉砕による構造変化2009

    • Author(s)
      松永真由子
    • Organizer
      平成21年度日本鉱物科学会年会
    • Place of Presentation
      北海道大学 (北海道)
    • Year and Date
      2009-09-10
    • Related Report
      2009 Annual Research Report
  • [Presentation] Shock compression of synthetic opal2009

    • Author(s)
      Okuno, M.
    • Organizer
      International Conference on High Pressure Science and Technology
    • Place of Presentation
      東京国際交流センター(東京都)
    • Year and Date
      2009-07-30
    • Related Report
      2009 Final Research Report
  • [Presentation] Structural change of soda-silicate glass by mechanical milling2009

    • Author(s)
      Okuno, M.
    • Organizer
      International Conference on High Pressure Science and Technology
    • Place of Presentation
      東京国際交流センター(東京都)
    • Year and Date
      2009-07-30
    • Related Report
      2009 Final Research Report
  • [Presentation] Shock compression of synthetics opal2009

    • Author(s)
      Akane Inoue
    • Organizer
      International Conference on High Pressure Science and Technology
    • Place of Presentation
      Tokyo, Japan
    • Year and Date
      2009-07-30
    • Related Report
      2009 Annual Research Report
  • [Presentation] 衝撃圧縮によるオパールの構造変化2008

    • Author(s)
      奥野正幸
    • Organizer
      日本セラミックス協会北陸支部平成20年度秋季講演会
    • Place of Presentation
      ウイングウイング高岡(富山県)
    • Year and Date
      2008-11-21
    • Related Report
      2009 Final Research Report
  • [Presentation] 衝撃圧縮によるオパールの構造変化2008

    • Author(s)
      奥野正幸
    • Organizer
      日本セラミックス協会北陸支部2009年度秋季講演会
    • Place of Presentation
      高岡市・ウイングウイング高岡
    • Year and Date
      2008-11-21
    • Related Report
      2008 Annual Research Report
  • [Presentation] 粉砕によるSiO2-Na2Oガラスの構造変化2008

    • Author(s)
      奥野正幸
    • Organizer
      第49回高圧討論会
    • Place of Presentation
      姫路商工会議所(兵庫県)
    • Year and Date
      2008-11-13
    • Related Report
      2009 Final Research Report
  • [Presentation] 粉砕によるSiO_2-Na_2Oガラスの構造変化2008

    • Author(s)
      奥野正幸
    • Organizer
      第49回高圧討論会
    • Place of Presentation
      姫路市・姫路商工会議所
    • Year and Date
      2008-11-13
    • Related Report
      2008 Annual Research Report
  • [Presentation] 竹の葉に含まれるシリカの構造とその加熱変化2008

    • Author(s)
      奥野正幸
    • Organizer
      平成20年度日本鉱物科学会年会
    • Place of Presentation
      田大学(秋田県)
    • Year and Date
      2008-09-22
    • Related Report
      2009 Final Research Report
  • [Presentation] ボールミル粉砕によるカリ長石の構造変化2008

    • Author(s)
      野尻博美
    • Organizer
      日本鉱物科学会
    • Place of Presentation
      秋田市・秋田大学
    • Year and Date
      2008-09-22
    • Related Report
      2008 Annual Research Report
  • [Presentation] Nova Science Pub.2008

    • Author(s)
      K. Tazaki
    • Organizer
      Planet Mars Research Focus(分担執筆)
    • Place of Presentation
      印刷中
    • Related Report
      2007 Annual Research Report
  • [Presentation] Structural change of non-crystalline bionic silica of diatoms by heat treatment2007

    • Author(s)
      Okuno, M.
    • Organizer
      IV International Mineralogical Seminar
    • Place of Presentation
      Russsia
    • Year and Date
      2007-05-23
    • Related Report
      2009 Final Research Report
  • [Presentation] Structural change of non-crystalline biogenic of diatoms by heat treatment2007

    • Author(s)
      M. Okuno
    • Organizer
      Proceedings of IV lnternational Mineralogical Seminar
    • Place of Presentation
      Syktyvkar,Russia
    • Year and Date
      2007-05-23
    • Related Report
      2007 Annual Research Report
  • [Book] Inc., Planet Mars Research Focus2008

    • Author(s)
      Tazaki, K., Okuno, M., Furumoto, M.
    • Publisher
      Nova Science Publishers
    • Related Report
      2009 Final Research Report
  • [Book] Hot Springs and Life in Mars?2008

    • Author(s)
      K. Tazaki
    • Publisher
      Nova Scientific Publishers, Inc.
    • Related Report
      2008 Annual Research Report

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Published: 2007-04-01   Modified: 2016-04-21  

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