Growth of fluorocarbon macromolecules in a gas phase (I). Mass spectrometric investigation of products in the downstream region of Ar/CF 4 plasmas

Kenji Furuya, Shinobu Yukita, Hiroshi Okumura, Akira Harata

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Abstract

The growth of gaseous neutral species and positive ions was investigated in the downstream region of Ar/CF4 plasmas by mass spectrometry. As a result, there were several series of CnF2n+1 + (n = 1-7), CnF2n-1 + (n = 3-8) and C nF2n-3 + (n = 4-9) for the positive ions and CnF2n+2 (n = 2-7) and CnF2n (n = 4-8) for the neutral species. The intensity dependence of the positive ions on the partial pressure of CF4 was quite different from that of the neutral species, demonstrating that their growth mechanisms are independent of each other.

Original languageEnglish
Pages (from-to)224-225
Number of pages2
JournalChemistry Letters
Volume34
Issue number2
DOIs
Publication statusPublished - Feb 5 2005

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Fluorocarbons
Macromolecules
Gases
Positive ions
Plasmas
Partial pressure
Mass spectrometry

All Science Journal Classification (ASJC) codes

  • Chemistry(all)

Cite this

Growth of fluorocarbon macromolecules in a gas phase (I). Mass spectrometric investigation of products in the downstream region of Ar/CF 4 plasmas. / Furuya, Kenji; Yukita, Shinobu; Okumura, Hiroshi; Harata, Akira.

In: Chemistry Letters, Vol. 34, No. 2, 05.02.2005, p. 224-225.

Research output: Contribution to journalArticle

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