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1998 Fiscal Year Final Research Report Summary

Fundamental studies on the comparison between ultrafine particles produced in laboratory and grains produced in universe.

Research Project

Project/Area Number 07409007
Research Category

Grant-in-Aid for Scientific Research (A)

Allocation TypeSingle-year Grants
Section一般
Research Field 広領域
Research InstitutionRitsumeikan University

Principal Investigator

KAITO Chihiro  Ritsumei Univ., Physics, Professor, 理工学部, 教授 (80027812)

Co-Investigator(Kenkyū-buntansha) KOIKE Chiyoe  Kyoto Pharmaceutical Univ., Professor, 薬学部, 教授 (20097835)
TSUDA Noritoshi  Ritsumei Univ., Physics, Research associate, 理工学部, 助手 (40066684)
Project Period (FY) 1995 – 1998
KeywordsUltrafine particle / Interstellar dust / Crystal / Amorphous / QCC / Silicon Carbide / Functional quantum Ball
Research Abstract

It becomes evident through out present experiments that the structure of particles produced in laboratory becomes key point to elucidate the spectra observed in space. These experiments are increasing interest for the shake of discovery of pre-solar grains such as diamond, graphite, SiC, TiC, MoC, ZrC, Al_2O_3 and Si_3N_4. Since these materials are non volatile, having polymorphism, and amorphous substance, the reading of the structure becomes difficult, which is the origin to diffuse the spectroscopy, In the present project, size, shape and defect effects on the. spectroscopy have been elucidated for some materials. If the size of the particles decreased, the directions of diffusion atom were changed (Size effect). In the growth of SiC, it becomes evident that SiC can be produced by the reaction between Si and carbon even at room temperature. In addition to proceedings .of grain formation work shops, Proceedings of Antactic meteorites, 22 papers and 2 submitted papers have been collected on these reports. Results on carbon, diamond, SiC, SiO, Al_2O_3, MgO are also contained. The next developing direction of research has been seen from the present results.

  • Research Products

    (44 results)

All Other

All Publications (44 results)

  • [Publications] C.Kaito: "Growth of SiC grains by gas evaporation method and relationship between optical properties and structure of SiC grains" Planet.Space SCI.Vol.43, Nos.10/11. 1271-1281 (1995)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] C.Koike: "Extinction Spectra of Corundum in the Wavelengths from UV to FIR" ICARUS. 114. 203-214 (1995)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] C.Koike: "Correlation between the spectral index and the degree of crystallization of carbon and graphite grains" The Astrophysical Journal. 446. 902-906 (1995)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Y.Saito: "Size control of carbon grains and their optical properties" Planet.Space Sci.Vol.43, Nos.10/11. 1303-1309 (1995)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] C.Koike: "The infrared spectra of diamond-like residues from the Allende meteorite" Mon.Not.R.Astron.Soc.277. 986-994 (1995)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] C.Kaito: "A novel method to prepare carbon-coated quantum dots by an advanced gas evaporation method" Journal of Crystal Growth. 167. 580-585 (1996)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] C.Kaito: "Novel Method for Producing Ultrafine Oxide Grains from Metallic Particles" Jpn.J.Appl.Phys.Vol.35. 4736-4737 (1996)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 墻内 千尋: "「超微粒子の育成から機能構築にむけての展開」" 日本結晶成長学会誌. Vol.24, No.5. 418-427 (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] T.Morioka: "Structural and infrared spectral changes of silicon oxide grains by heat treatments" Antarct.Meteorite Res.10. 449-457 (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 墻内 千尋: "「酸化インジウムホイスカーの形態と生成条件および昇華との関係」" 日本結晶成長学会誌. Vol.24, No.3. 287-291 (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 中村 良介: "「微粒子の生成・凝縮実験とシミュレーション」" 日本惑星科学会誌. Vol.6 No.4. 336-343 (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] N.Suzuki: "A New Attempt to Produce a Functional Quantum Ball from Ultrafine Particles" Phys.Low-Dim.Struct.3/4. 55-64 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] C.Kaito: "Size effect on solid-solid reaction growth between Cu film and Se particles" Journal of Crystal Growth. 186. 386-392 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] C.Kaito: "Structure and crystallization of Sb-Se films prepared by vacuum evaporation method" Thin Solid Films. 312. 93-98 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] T.Morioka: "Study of the structure of silica film by infrared spectroscopy and electron diffraction analyses" Mon.Not.R.Astron.Soc.299. 78-82 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] C.Kaito: "Structure and Stability of Metallic Dots Covered with Amorphous Silicon Oxide or Carbon" Phys.Low-Dim.Struct.9/10. 115-126 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] S.Wada: "Fitting the unusual UV extinction curve of V348 Sgr" Astron.Astrophys.339. L61-L64 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] C.Kaito: "Growth of SiC by Reaction between Thin Films and Ultrafine Particles" Jpn.J.Appl.Phys.Vol.38. 213-214 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] S.Wada: "Carbonaceous onion-like particles as a component of interstellar dust" Astron.Astrophys.印刷中 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] C.Kaito: "Spontaneous growth of singular morphology of a comet-like fine particle" Journal of Crystal Growth. 印刷中 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] S.Wada: "STRUCTURE AND UV ABSORPTION OF QCCs : CARBONACEOUS DUST ANALOGUES" COSPAR. 印刷中 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] S.Kimura: "Fundamental study on growth and structure of low-dimensional memory alloy" Phys.Low-Dim.Struct. 印刷中 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] C.Kaito: "Grwoth of SiC grains by gas evaporation method and relationship between optical properties and structure of SiC grains" Planet.Space SCI. VoL.43, Nos.10/11. 1271-1281 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] C.Koike: "Extinction Spectra of Corundum in the Wavelengths from UV to FIR" ICARUS. 114. 203-214 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] C.Koike: "Correlation between the spectral index and the degree of crystallization of carbon and graphite grains" The Astrophysical Journal. 446. 902-906 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Y.Saito: "Size control of carbon grains and their optical properties" Planet.Space Sci.Vol.43, Nos.10/11. 1303-1309 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] C.Koike: "The infrared spectra of diamond-like residues from the Allende meteorite" Mon.Not.R.Astron.Soc.277. 986-994 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] C.Kaito: "A novel method to prepare carbon-coated quantum dots by an advanced gas evaporation method" Journal of Crystal Growth. 167. 580-585 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] C.Kaito: "Novel Method for Producing Ultrafine Oxide Grains from Metallic Particles" Jpn.J.Appl.Phys.Vol.35. 4736-4737 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] C.Kaito: "Growth of Ultrafine Particle and an Attempt to Produce the Functional Particle" Japanese Association for Crystal Growth, JACG. Vol.24, No.5. 418-427 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] T.Morioka: "Structural and infrared spectral changes of silicon oxide grains by heat treatments" Antarct.Meteorite Res.10. 449-457 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] C.Kaito: "Relationship between Growth Condition and Sublimation to Morphology of Indium Oxide Whisker" Japanese Association for Crystal Growth, JACG. Vol.24, No.3. 287-291 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] R.Nakamura: "Condensation and growth of ultrafine particles and their simulation" The Japanese Society for Planetary Sciences. Vol.6 No.4. 336-343 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] N.Suzuki: "A New Attempt to Produce a Functional Quantum Ball from Ultrafine Particles" Phys.Low-Dim.Struct. 3/4. 55-64 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] C.Kaito: "Size effect on solid-solid reaction growth between Cu film and Se particles" Journal of Crystal Growth. 186. 386-392 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] C.Kaito: "Structure and crystallization of Sb-Se films prepared by vacuum evaporation method" Thin Solid Films. 312. 93-98 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] T.Morioka: "Study of the structure of silica film by infrared spectroscopy and electron diffraction analyses" Mon.Not.R.Astron.Soc.299. 78-82 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] C.Kaito: "Structure and Stability of Metallic Dots Covered with Amorphous Silicon Oxide or Carbon" Phys.Low-Dim.Struct.9/10. 115-126 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] S.Wada: "Fitting the unusual UV extinction curve of V348 Sgr" Astron.Astrophys.339. L61-L64 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] C.Kaito: "Growth of SiC by Reaction between Thin Films and Ultrafine Particles" Jpn.J.Appl.Phys.Vol.38. 213-214 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] S.Wada: "Carbonaceous onion-like particles as a component of interstellar dust" Astron.Astrophys. (in print). (1999)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] C.Kaito: "Spontaneous growth of singular morphology of a comet-like fine particle" Journal of Crystal Growth. (in print). (1999)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] S.Wada: "STRUCTURE AND UV ABSORPTION OF QCCs : CARBONACEOUS DUST ANALOGUES" COSPAR. (in print). (1999)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] S.Kimura: "Fundamental study on growth and structure of low-dimensional memory alloy" Phys.Low-Dim.Stuct.(in print). (1999)

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 1999-12-08  

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