JAXA Repository / AIREX 未来へ続く、宙(そら)への英知

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Other TitleDiamond synthesis with ten seconds: For airplane experiments
Author(jpn)平井 隆之; 河合 徹; 高木 喜樹; 清水 修; 須田 吉久
Author(eng)Hirai, Takayuki; Kawai, Toru; Takagi, Yoshiki; Shimizu, Osamu; Suda, Yoshihisa
Author Affiliation(jpn)帝京科学大学; 帝京科学大学; 帝京科学大学; 三菱鉛筆; 三菱鉛筆
Author Affiliation(eng)Teikyo University of Science and Technology; Teikyo University of Science and Technology; Teikyo University of Science and Technology; Mitsubishi Pencil Co. Ltd.; Mitsubishi Pencil Co. Ltd.
Issue Date2005-03
PublisherInstitute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA/ISAS)
Publication title宇宙利用シンポジウム 第21回 平成16年度
Space Utilization Research: Proceedings of the Twenty-first Space Utilization Symposium
Start page75
End page78
Publication date2005-03
AbstractThe diamond particles with five micrometers in diameter are synthesized in ten seconds with conventional spark apparatus. The method was originally designed for non-conductive sample pre-treatment for SEM analysis. With these spark apparatus, specimens were coated with carbon fine particles in around ten seconds, and surfaces were kept in low temperature. But carbon fine particles were spread over all directions. The apparatus was specially modified for this study such as tubing for hydrogen gas introduction, with specially designed top shaped rod with prepared ultra-high purity of graphite. It was confirmed that diamond particles were synthesized on silicon wafers, Al2O3 ceramics and non-alkaline glass. Future possibility for install in airplane for parabolic flight will be discussed in the meeting.
Keywordsdiamond; graphite; spark; diamond synthesis; crystal growth rate; short time synthesizing; carbon deposition; hydrogen atmosphere; ダイアモンド; グラファイト; スパーク; ダイアモンド合成; 結晶成長速度; 短時間合成; 炭素蒸着; 水素雰囲気
Document TypeConference Paper
JAXA Categoryシンポジウム・研究会

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