WSi_(x) Films were deposited on polysilicon film by chemical vapor deposition process. Effects of processing conditions on the electrical properties of the WSi_(x) were studied. As the flow rate of SiH₄ and deposition temperature increases, the resi...
WSi_(x) Films were deposited on polysilicon film by chemical vapor deposition process. Effects of processing conditions on the electrical properties of the WSi_(x) were studied. As the flow rate of SiH₄ and deposition temperature increases, the resistivity decreases, however, it decreases as the WF_(6) flow rate increases. The WSi_(x) deposited at the temperature below 480℃ was oxidized at 900℃ for maximum 90 min, which results in decrease of electrical resistivity by depleting Si from WSi_(x) film of low Si content. The WSi_(x), deposited at the temperature over 480℃ was rich in Si content, and it showed increase of electrical resistivity by depleting Si from WSi_(x) film.