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    Dynamic variation of hydrogen dilution during hot-wire chemical vapour deposition of silicon thin films

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    Thesis (8.781Mb)
    Date
    2013
    Author
    Towfie, Nazley
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    Abstract
    This study reports on the effects of hydrogen dilution and deposition time on six silicon thin films deposited at six specific deposition regimes. The thin film properties are investigated via X-Ray diffraction analysis, raman spectroscopy, fourier transform infra-red spectroscopy, elastic recoil detection analysis, scanning and transmission electron microscopy and UV-visible spectroscopy. This investigation revealed the dominating etching effect of atomic hydrogen with the increase in hydrogen dilution and a bonded hydrogen content (CH) exceeding 10 at.% for each of the six thin films. The optically determined void volume fraction and static refractive index remain constant, for each thin film, with the change in CH
    URI
    http://hdl.handle.net/11394/3841
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    • Magister Scientiae - MSc (Physics)

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