Homogeneous nucleation of metallic iron in circumstellar environments
| Project/Area Number |
25610037
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Multi-year Fund |
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| Research Field |
Astronomy
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| Research Institution | Hokkaido University |
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Principal Investigator |
TACHIBANA Shogo 北海道大学, 理学(系)研究科(研究院), 准教授 (50361564)
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| Project Period (FY) |
2013-04-01 – 2015-03-31
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| Project Status |
Completed (Fiscal Year 2014)
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| Budget Amount *help |
¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Fiscal Year 2014: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2013: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
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| Keywords | 金属鉄 / ダスト / 晩期型星 / 原始惑星系円盤 / 均質核形成 |
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| Outline of Final Research Achievements |
Dust grains form in circumstellar environments, and play important roles in star formation, planetary system formation, and galactic chemical evolution. It is important to understand the kinetic aspect of dust formation processes, especially the vapor growth kinetics of dust. In this study, we developed a new vacuum furnace to simulate homogeneous nucleation and growth of metallic iron dust in circumstellar environments.
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Report
(3 results)
Research Products
(7 results)
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[Journal Article] Morphology and crystal structures of solar and presolar Al2O3 in unequilibrated ordinary chondrites2014
Author(s)
Takigawa, A., Tachibana, S., Huss, G. R., Nagashima, K., Makide, K., Krot , N. K., Nagahra, H.
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Journal Title
Geochimica Cosmochimica et Acta
Volume: 124
Pages: 309-327
DOI
Related Report
Peer Reviewed / Acknowledgement Compliant
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