Formation of bismuth-core-carbon-shell nanoparticles by bismuth immersion during plasma CVD synthesis of thin diamond films

Takahiro, Tamura; Takuya, Takami; Sachiko, Kobayashi; Taro, Nagahama; Takashi, Yanase; Toshihiro, Shimada

doi:10.1016/j.diamond.2016.07.015


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Formation of bismuth-core-carbon-shell nanoparticles by bismuth immersion during plasma CVD synthesis of thin diamond films

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Title:	Formation of bismuth-core-carbon-shell nanoparticles by bismuth immersion during plasma CVD synthesis of thin diamond films
Authors:	Takahiro, Tamura Browse this author
	Takuya, Takami Browse this author
	Sachiko, Kobayashi Browse this author
	Taro, Nagahama Browse this author
	Takashi, Yanase Browse this author
	Toshihiro, Shimada Browse this author →KAKEN DB
Issue Date:	Oct-2016
Publisher:	Elsevier
Journal Title:	Diamond & Related Materials
Volume:	69
Start Page:	127
End Page:	132
Publisher DOI:	10.1016/j.diamond.2016.07.015
Abstract:	This paper describes an attempt to synthesize bismuth-doped diamond by plasma CVD. Solid bismuth was inserted into the reaction plasma of CH4 and H2. Examination by TEM showed that most of the bismuth was included as Bi nanoparticles in the carbon nanospheres, which segregated at the grain boundary of the diamond polycrystals. Diffraction peaks corresponding to the carbon allotrope Chaoite were observed at the grain boundaries. The Raman spectra showed very complex features between 100-1600 cm-1, suggesting the existance of molecule-like species.
Rights:	© 2016. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
Rights:	http://creativecommons.org/licenses/by-nc-nd/4.0/
Type:	article (author version)
URI:	http://hdl.handle.net/2115/71555
Appears in Collections:	工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 島田敏宏

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