本文介绍了用HFPECVD(hot filament plasma enhanced chemical vapor deposition)法制备BN薄膜.通过红外吸收谱和x射线衍射图谱分析确定,射频功率和反应气体(N2)气流量显著影响薄膜中立方相BN(c-BN)的相对含量.当射频功率小于200W时,薄膜中立方相的相对含量随它的增加而增大;而当射频功率大于200W时,则随它增加而减小.当N2气流量增加时,薄膜生长速率增加,但立方相的相对含量却减少.最后通过对不同沉积时间样品的红外吸收谱的分析对BN薄膜的生长机理进行了探讨.
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