Investigation of plasma parameters in a VHF plasma with narrow gap under high gaseous pressure

Hiroshi Muta, Shinichi Kishida, Masayoshi Tanaka, Yasuhiro Yamauchi, Tomoyoshi Baba, Yoshiaki Takeuchi, Hiromu Takatsuka, Yoshinobu Kawai

    研究成果: Contribution to journalArticle査読

    3 被引用数 (Scopus)

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    The plasma parameters in a VHF plasma with a narrow gap under high gaseous pressure were experimentally investigated. As a result of the Langmuir probe measurement for hydrogen plasma with a gap length of 5 mm and a pressure of 1 torr, it was found that the electron temperature (-10 eV) was high enough to promote the dissociation reaction of SiH4 molecules, and that a large amount of negative ions which could play a role in reducing the sheath potential were produced. On the other hand, the results of the ion measurement using a quadrupole mass spectrometer with an energy analyzer indicated that the highest produced ion was H3- and its incident energy to the substrate was low due to the collisions. These results suggest that the condition of high pressure and narrow gap are advantageous for the preparation of high-quality μc-Si thin films

    本文言語英語
    ページ(範囲)S792-S795
    ジャーナルPlasma Processes and Polymers
    6
    SUPPL. 1
    DOI
    出版ステータス出版済み - 2009

    All Science Journal Classification (ASJC) codes

    • Condensed Matter Physics
    • Polymers and Plastics

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