Formation mechanism of electrically conductive nanoparticles by induction thermal plasmas

Takayuki Watanabe, Atsushi Nezu, Yoshiyuki Abe, Yoshiro Ishii, Kenji Adachi

研究成果: ジャーナルへの寄稿Conference article

28 引用 (Scopus)

抄録

The purpose of this paper is to prepare electrically conductive nanoparticles such as borides, mixture of nitrides and borides by induction thermal plasmas. Another purpose is to correlate the prepared particle composition with thermodynamic parameters. For B-N-M (M=Ti, Cr, V) system that has low Gibbs free energy of nitridation and boridation, boride and nitride nanoparticles were prepared. While B-N-M (M=Co, Fe, Mo) system that has high Gibbs free energy of nitridation, boride nanoparticles were mainly prepared. For B-N-M (M=Ta, Nb) system that has much higher nucleation temperature of metal than that of boron, nanoparticles of nitride with small fraction of boride were prepared, because these systems have different nucleation mechanism. The composition of prepared nanoparticles depends on the Gibbs free energy as well as the nucleation temperature.

元の言語英語
ページ(範囲)27-32
ページ数6
ジャーナルThin Solid Films
435
発行部数1-2
DOI
出版物ステータス出版済み - 7 1 2003
外部発表Yes
イベントProccedings of the Joint International Plasma Symposium - Jeju Island, 大韓民国
継続期間: 7 1 20027 4 2002

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Boron Compounds
Plasma Gases
borides
Borides
thermal plasmas
induction
Nanoparticles
Plasmas
Gibbs free energy
nanoparticles
Nitrides
nitrides
Nucleation
Nitridation
nucleation
Boron
Chemical analysis
boron
Metals
Hot Temperature

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry

これを引用

Formation mechanism of electrically conductive nanoparticles by induction thermal plasmas. / Watanabe, Takayuki; Nezu, Atsushi; Abe, Yoshiyuki; Ishii, Yoshiro; Adachi, Kenji.

:: Thin Solid Films, 巻 435, 番号 1-2, 01.07.2003, p. 27-32.

研究成果: ジャーナルへの寄稿Conference article

Watanabe, Takayuki ; Nezu, Atsushi ; Abe, Yoshiyuki ; Ishii, Yoshiro ; Adachi, Kenji. / Formation mechanism of electrically conductive nanoparticles by induction thermal plasmas. :: Thin Solid Films. 2003 ; 巻 435, 番号 1-2. pp. 27-32.
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AB - The purpose of this paper is to prepare electrically conductive nanoparticles such as borides, mixture of nitrides and borides by induction thermal plasmas. Another purpose is to correlate the prepared particle composition with thermodynamic parameters. For B-N-M (M=Ti, Cr, V) system that has low Gibbs free energy of nitridation and boridation, boride and nitride nanoparticles were prepared. While B-N-M (M=Co, Fe, Mo) system that has high Gibbs free energy of nitridation, boride nanoparticles were mainly prepared. For B-N-M (M=Ta, Nb) system that has much higher nucleation temperature of metal than that of boron, nanoparticles of nitride with small fraction of boride were prepared, because these systems have different nucleation mechanism. The composition of prepared nanoparticles depends on the Gibbs free energy as well as the nucleation temperature.

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