Experimental approach concerning behavior of cosmic dust particlesboth inorganic and organic in proto Solar nebula

• Project/Area Number: 19840048
• Research Category: Grant-in-Aid for Young Scientists (Start-up)
• Allocation Type: Single-year Grants
• Research Field: Solid earth and planetary physics
• Research Institution: Hokkaido University (2008); Ritsumeikan University (2007)
• Principal Investigator: KIMURA Yuki Hokkaido University, 低温科学研究所, 博士研究員 (50449542)
• Project Period (FY): 2007 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥3,046,000 (Direct Cost: ¥2,650,000、Indirect Cost: ¥396,000); Fiscal Year 2008: ¥1,716,000 (Direct Cost: ¥1,320,000、Indirect Cost: ¥396,000); Fiscal Year 2007: ¥1,330,000 (Direct Cost: ¥1,330,000)
• Keywords: 惑星科学 / 天文学 / ナノ領域科学 / 結晶成長 / 透過型電子顕微鏡法 / 宇宙ダスト / 多環芳香族炭化水素

Research Abstract

宇宙固体微粒子(ダスト)の類似物としての微粒子を実際に研究室で合成し、その光学特性や高温での振る舞い等を調べる事で、星・惑星形成過程におけるダストの果たす役割を明らかとする事を目的に研究を展開した。その結果、(1)結晶質珪酸塩微粒子の生成条件と非晶質珪酸塩微粒子の低温での結晶化過程を明らかにした。(2) 質量に依存しない酸素の同位体分別を示す珪酸塩微粒子の生成に世界で初めて成功し、ダストの生成にプラズマが重要であることをしめした。(3) 様々な天体に幅広く分布しているPAH のクラスターを実験室で再現し、その光学特性を明らかにした。

Research Products

• [Journal Article] Possible Driving Force behind Formation of Cosmic Carbyne (2008)
  • Author(s): Y. Kimura, C. Kaito
  • Journal Title: Crystals, The Astrophysical Journal Letters 685 Pages: 83-86
• [Journal Article] Experimental Demonstration of Condensation of (2008)
  • Author(s): Y. Kimura, S. Sasaki, H. Suzuki, A. Kumamoto, M. Saito, C. Kaito
  • Journal Title: Mg-Bearing Silicate Grains around Evolved Stars, The Astrophysical Journal, 684 Pages: 1496-1501
• [Journal Article] C. Kaito, CharacteristicLow-Temperature Crystallization of (2008)
  • Author(s): Y. Kimura, Y. Miyazaki, A. Kumamoto, M. Saito
  • Journal Title: Amorphous Mg-Bearing Silicate Grains Under Electron Irradiation, The AstrophysicalJournal Letters, 680 Pages: 89-92
• [Journal Article] 原始太陽系星雲中での物質進化に関わるダストの振る舞い (2008)
  • Author(s): 木村勇気
  • Journal Title: 日本惑星科学会誌 17 Pages: 62-68
  • NAID: 110006647770
• [Journal Article] C. Kaito, Production ofrefractory-metal ultrafine particles by gasevaporation method and their surface oxidelayer (2008)
  • Author(s): Y. Kimura
  • Journal Title: Surface and Coatings Technology 202 Pages: 4159-4162
• [Journal Article] Direct observationof MoO2 crystal growth from amorphous (2008)
  • Author(s): K. Nina, Y. Kimura, K. Yokoyama, O.Kido, G. Binyo, C. Kaito
  • Journal Title: MoO3 film, Physica E 40/9 Pages: 2995-2998
• [Journal Article] Nuth III, A refractory Ca-SiO-H2-O2 vapor condensation experiment with implications for calciosilica dust transforming silicate and carbonate minerals (2008)
  • Author(s): F. J. M. Rietmeijer, A. Pun
  • Journal Title: Icarus 195 Pages: 493-503
• [Journal Article] StructuralAlterations of Carbon Particles in Saturated (2008)
  • Author(s): C. Kaito, M. Shintaku, R. Sakao, A.Kumamoto, M. Saito, Y. Kimura, S. Ohyagi,S. Morikawa, H. Suzuki
  • Journal Title: Water Vapor, Japanese Journal of Applied Physics 47 Pages: 6588-6591
• [Journal Article] Morphological Alteration and Structure on ZnO Particles Produced in Electric Field (2008)
  • Author(s): C. Kaito, Y. Kinuta, H. Suzuki, S. Adachi, A. Kumamoto, Y. Saito, Y. Kimura
  • Journal Title: Journal of the Physical Society of Japan 77
  • NAID: 110006933493
• [Journal Article] Characteristic Low-Temperature Crystallization of Amorphous Mg-Bearing Silicate Grains Under Electron Irradiation (2008)
  • Author(s): Yuki Kimura
  • Journal Title: The Astrophysical Journal Letters 680 Pages: 89-92
  • Peer Reviewed
• [Journal Article] Experimental Demonstration of Condensation of Mg-Bearing Silicate Grains around Evolved Stars (2008)
  • Author(s): Yuki Kimura
  • Journal Title: The Astrophysical Journal 684 Pages: 1496-1501
  • Peer Reviewed
• [Journal Article] Structural Alterations of Carbon Particles in Saturated Water Vapor (2008)
  • Author(s): Chihiro Kaito
  • Journal Title: Japanese Journal of Applied Physics 47(8) Pages: 6588-6591
  • Peer Reviewed
• [Journal Article] Possible Driving Force behind Formation of Cosmic Carbyne Crystals (2008)
  • Author(s): Yuki Kimura, Chihiro Kaito
  • Journal Title: The Astrophysical Journal Letters 685 Pages: 83-86
  • Peer Reviewed
• [Journal Article] Morphological Alteration and Structure on ZnO Particles Produced in Electric Field (2008)
  • Author(s): Chihiro Kaito
  • Journal Title: Journal of the Physical Society of Japan 77
  • Peer Reviewed
• [Journal Article] Formation of polycyclic aromatic hydrocarbon grainsusing anthracene and their stability under UV irradiation (2008)
  • Author(s): Midori Saito
  • Journal Title: Earth, Planets and Space (in press)
  • Peer Reviewed
• [Journal Article] 原始太陽系星雲中での物質進化に関わるダストの振る舞い (2008)
  • Author(s): 木村 勇気
  • Journal Title: 日本惑星科学会誌 17 Pages: 62-68
  • NAID: 110006647770
  • Peer Reviewed
• [Journal Article] J. A. Nuth III, S. Chakraborty, M. H. Thiemens, Non-Mass-Dependent OxygenIsotopic Fractionation in Smokes Produced inan Electrical Discharge (2007)
  • Author(s): Y. Kimura
  • Journal Title: Meteoritics & Planetary Science 42 Pages: 1429-1439
• [Journal Article] J. A. Nuth III, What is the Driving Force to Form Refractory Oxide Grains? Silicate Spectra Depend on their Formation Environment (2007)
  • Author(s): Y. Kimura,
  • Journal Title: The Astrophysical Journal 664 Pages: 1253-1263
• [Journal Article] Exothermic chemical reactions candrive "nonthermal" crystallization of amorphous silicate grains (2007)
  • Author(s): C. Kaito, Y. Miyazaki, A. Kumamoto, Y. Kimura
  • Journal Title: The Astrophysical Journal Letters 666 Pages: 57-60
• [Journal Article] Structuralalteration of nanostructure carbon particlescarrying Pt clusters in H2 and O2 gases (2007)
  • Author(s): C. Kaito, R. Ono, R. Sakao, A. Kumamoto, M. Saito, Y. Kimura, S. Ohyagi
  • Journal Title: Japanese Journal of Applied Physics 46 Pages: 1141-1142
• [Journal Article] Non-Mass-Dependent Oxygen Isotopic Fractionation in Smokes Produced in an Electrical Discharge (2007)
  • Author(s): Y.Kimura, J.A.Nuth III, S.Chakraborty, M.H.Thiemens
  • Journal Title: Meteoritics & Planetary Science 42 Pages: 1429-1439
  • Peer Reviewed
• [Journal Article] What is the Driving Force to Form Refractory Oxide Grains? Silicate Spectra Depend on their Formation Environment (2007)
  • Author(s): Y.Kimura, J.A.Nuth III
  • Journal Title: The Astrophysical Journal 664 Pages: 1253-1263
  • Peer Reviewed
• [Journal Article] Formation of polycyclic aromatichydrocarbon grains using anthracene and theirstability under UV irradiation
  • Author(s): M. Saito, I. Sakon, C. Kaito, Y. Kimura
  • Journal Title: Earth, Planetsand Space (in press)
• [Presentation] 隕石中に見られるカルビン結晶の成因から探る炭化水素分子の進化 (2009)
  • Author(s): 木村勇気
  • Organizer: 名古屋大学GCOE「星間物質と構造形成」PAH 小研究会 : プラズマとPAH
  • Place of Presentation: 名古屋大学
  • Year and Date: 2009-03-23
• [Presentation] Formation of nanoparticles ingas phase, The 2nd International Symposium "Interface Mineralogy" in conjunction with (2009)
  • Author(s): Y. Kimura
  • Organizer: The 2nd International workshop"Crystallization in The Early Solar Nebula4.6 Billion Years Ago"
  • Place of Presentation: Tohoku University
• [Presentation] ナノ粒子と惑星科学 (2008)
  • Author(s): 木村勇気
  • Organizer: 東北大学GCOEセミナー
  • Place of Presentation: 東北大学
  • Year and Date: 2008-11-18
• [Presentation] Crystallinity of Mg-bearing silicate grains due to condensation or thermal evolution (2008)
  • Author(s): Yuki Kimura
  • Organizer: 71th Annual Meeting of the Meteoritical Society
  • Place of Presentation: くにびきメッセ松江市
  • Year and Date: 2008-07-29
• [Presentation] Growth of Nanometer-sized Solid Particles and Their Clusters (2008)
  • Author(s): Yuki Kimura
  • Organizer: Asia Oceania Geosciences Society 5th Annual Meeting
  • Place of Presentation: 釜山会議場BEXCOBusan, Korea
  • Year and Date: 2008-06-19
• [Presentation] シリケイトグレインの生成実験と酸素同位体分別 (2008)
  • Author(s): Yuki Kimura
  • Organizer: 日本地球惑星科学連合大会2008年連合大会
  • Place of Presentation: 幕張メッセ国際会議場
  • Year and Date: 2008-05-26
• [Presentation] Formation process of forsterite via condensation from gas phase around evolved stars and in primitive solar nebula (2008)
  • Author(s): 木村勇気
  • Organizer: 46 億年前の原始太陽系星雲における結晶
  • Place of Presentation: 東北大学
• [Presentation] Transmission electronmicroscope study on the formation of carbynecrystals via synchrotron radiation irradiation (2008)
  • Author(s): Y. Kimura
  • Organizer: JANE-2008 Japan-Netherlands Symposiumon Crystal Growth -Theory and in situ Measurements
  • Place of Presentation: Chateraise Gateaux Kingdom, Sapporo
• [Presentation] How forms observedlow-temperature crystalline silicate : Approach from laboratory experiments (2008)
  • Author(s): Y. Kimura
  • Organizer: Workshop for Interstellar Matter 2008
  • Place of Presentation: Hokkaido University(招待講演)
• [Presentation] C. Kaito, J. A. Nuth III, Crystallinity of Mg-bearing silicate grains dueto condensation or thermal evolution, 71th (2008)
  • Author(s): Y. Kimura
  • Organizer: Annual Meeting of the Meteoritical Society
  • Place of Presentation: Kunibiki Messe, Matsue
• [Presentation] C. Kaito, Possibility oflow-temperature crystallization of silicate inprotostars, Silicate Dust in Protostars : (2008)
  • Author(s): Y. Kimura
  • Organizer: Astrophysical, Experimental and Meteoritic Links
  • Place of Presentation: Busan, Korea
• [Presentation] 衝撃波後面におけるシリケイトダストの凝縮に対する実験的アプローチ (2008)
  • Author(s): 木村勇気
  • Organizer: 第三回コンドリュール研究会
  • Place of Presentation: 東北大学
• [Presentation] Growth of nanometer-sized solidparticles and their cluster, Asia Oceania (2008)
  • Author(s): Y. Kimura
  • Organizer: Geosciences Society 5th Annual Meeting
  • Place of Presentation: Busan, Korea.(招待講演)
• [Presentation] Low Temperature Crystallization of Thin Amorphous Silicate Layer on the Crystalline Fe Dust, Asia Oceania (2008)
  • Author(s): C. Kaito, A. Kumamoto, M. Saito, Y. Kimura
  • Organizer: Geosciences Society 5th Annual Meeting
  • Place of Presentation: Busan, Korea
• [Presentation] C. Kaito, Laboratory Production of Crystalline and Amorphous Forsterite Grains,Asia Oceania Geosciences (2008)
  • Author(s): T. Miyashita, A. Kumamoto, M. Saito, Y. Kimura
  • Organizer: Society 5th Annual Meeting
  • Place of Presentation: Busan, Korea
• [Presentation] C. Kaito, Laboratory Experiments on the PAH Grains with Inorganic Matters and Their Alteration by Plasma, Asia Oceania Geosciences Society (2008)
  • Author(s): M. Saito, Y. Kimura
  • Organizer: 5th Annual Meeting
  • Place of Presentation: Busan, Korea
• [Presentation] C. Kaito, Characteristic Grain Formation in Hydrogen Gas Atmosphere, Asia Oceania Geosciences (2008)
  • Author(s): A. Kumamoto, Y. Kimura
  • Organizer: Society 5th Annual Meeting
  • Place of Presentation: Busan, Korea
• [Presentation] J. A. Nuth III, Laboratory synthesized silicate grains withmass dependent and independent oxygenisotopic fractionation (2008)
  • Author(s): 木村勇気, S. Chakraborty
  • Organizer: 日本地球惑星科学連合大会2008 年連合大会
  • Place of Presentation: 幕張メッセ国際会議場,千葉市
• [Presentation] 晩期星に見られる結晶質シリケイトの生成過程に対する再現実験 (2008)
  • Author(s): 木村勇気、宮下徹平、熊本明仁、齊藤碧、墻内千尋
  • Organizer: 日本天文学会2008年春季年会
  • Place of Presentation: 国立オリンピック青少年総合センター, 東京都
• [Presentation] C. Kaito, Formation of carbyne crystals via synchrotron radiation irradiation (2008)
  • Author(s): Y. Kimura
  • Organizer: IAU Symposium 251 : Organic Matter inSpace
  • Place of Presentation: Hong Kong, Hong Kong
• [Presentation] What kind of change do polycyclic aromatic hydrocarbons undergo in plasma environments? (2008)
  • Author(s): M. Saito, Y. Kimura, C. Kaito
  • Organizer: IAUSymposium 251 : Organic Matter in Space
  • Place of Presentation: HongKong,HongKong
• [Presentation] Chihiro Kaito, In Situ Observation of Structural Alteration Process of Filmy Quenched Carbonaceous Composite, (2008)
  • Author(s): A., Kumamoto, Y. Kimura
  • Organizer: IAU Symposium 251 : OrganicMatter in Space
  • Place of Presentation: HongKong, HongKong
• [Presentation] Oxygen Isotopic Study of Smoke Particles Synthesized in RF (2008)
  • Author(s): S. Chakraborty, Y. Kimura
  • Organizer: Plasma, Terrestrial Planets : Evolution through Time
  • Place of Presentation: AhmedabadIndia
• [Presentation] Formation of carbyne crystals via synchrotron radiation irradiation (2008)
  • Author(s): Y.Kimura, C.Kaito
  • Organizer: IAU Symposium 251: Organic Matter in Space
  • Place of Presentation: 香港
• [Presentation] 原始太陽系星雲中での物質進化に関わるダストの振る舞い、日本惑星科学会 2007 年秋季講演会 (2007)
  • Author(s): 木村勇気
  • Organizer: 2006 年度惑星科学会研究者賞受賞記念講演
  • Place of Presentation: 高知大学(特別講演)
  • Year and Date: 2007-09-26
• [Presentation] PAH クラスターの成長に及ぼすプラズマ効果 (2007)
  • Author(s): 齊藤碧、木村勇気、墻内千尋
  • Organizer: 日本惑星科学会 2007年秋季講演会
  • Place of Presentation: 高知大学
  • Year and Date: 2007-09-26
• [Presentation] J. A. Nuth III, C. Kaito,Laboratory Annealing Experiments of Refractory Silicate Grain Analogs using Differential Scanning Calorimetry (2007)
  • Author(s): Y. Kimura
  • Organizer: The Workshop on the Chronology of Meteoritesand the Early Solar System
  • Place of Presentation: Kauai, Hawai
• [Presentation] Crystallizations of Forsterite from Amorphous Mg-Bearing Silicate Grains (2007)
  • Author(s): C. Kaito, Y. Kimura
  • Organizer: The Workshop on the Chronology of Meteorites and the Early Solar System
  • Place of Presentation: Kauai, Hawai
• [Presentation] Laboratory Experiments on the Formation of PAHClusters and their Alteration with Inorganicmatter by Plasma, Ultraviolet and Electron Beam Irradiation (2007)
  • Author(s): M. Saito, Y. Kimura, C. Kaito
  • Organizer: The Workshop on the Chronology of Meteorites and the Early Solar System
  • Place of Presentation: Kauai, Hawai
• [Presentation] 原始太陽系星雲中におけるCaS粒子の生成メカニズムと酸素ガスの効果 (2007)
  • Author(s): 横山香織, 山下鉄平, 熊本明仁, 木村勇気,小池千代枝, 墻内千尋
  • Organizer: 第37回結晶成長国内会議NCCG-37
  • Place of Presentation: 北海道大学
• [Presentation] マグネシウム粒子の窒素プラズマ中での構造変化 (2007)
  • Author(s): 新名賢治, 熊本明仁, 木村勇気, 墻内千尋
  • Organizer: 第37回結晶成長国内会議NCCG-37
  • Place of Presentation: 北海道大学
• [Presentation] アルミ空孔クラスター形成過程のその場観察 (2007)
  • Author(s): 熊本明仁, 木村勇気, 墻内千尋, 齋藤嘉夫、
  • Organizer: 第37回結晶成長国内会議NCCG-37
  • Place of Presentation: 北海道大学
• [Presentation] アドヴァンスドガス中蒸発法によるZrO2ナノ粒子の構造と相転移 (2007)
  • Author(s): 弥永英臣, 熊本明仁, 木村勇気, 墻内千尋
  • Organizer: 第37回結晶成長国内会議NCCG-37
  • Place of Presentation: 北海道大学
• [Presentation] 墻内千尋、鉄ニッケル同時蒸着薄膜の構造とテトラテーナイト相の生成 (2007)
  • Author(s): 山下鉄平, 木村勇気, 城戸修, 熊本明仁, 墻内千
  • Organizer: 第37回結晶成長国内会議NCCG-37
  • Place of Presentation: 北海道大学
• [Book] 現代の天文学 第6巻「星間物質と星形成」 (2008)
  • Author(s): 現代の天文学
  • Publisher: 日本評論社
• [Book] 現代の天文学第6巻「星間物質と星形成」 (2008)
  • Author(s): 木村勇気
  • Publisher: 日本評論社