Structural, Optical and Electrical Characteristics of Silicon Carbon Nitride
MATERIALS RESEARCH SOCIETY SYMPOSIUM PROCEEDINGS(2000)
摘要
Dielectric layers of thin silicon carbon nitride (SiC x N y ) films have been prepared by ion beam sputtering deposition (IBD). For submicron metal-insulator-Si (MIS) based device applications, a dielectric of low interface roughness, increased capacitance/area with lower leakage on decreasing scale is highly desirable. We address these aspects for the IBD SiC x N y films on p-type Si and present their structural, optical and electrical characteristics as a function of the deposition conditions. Ultraviolet-visible transmittance and spectroscopic ellipsometry were employed to study the optical properties of the SiC x N y films. For electrical measurements, Al gate electrodes were fabricated on SiC x N y films to form metal-nitride-silicon (MNS) diodes. Characteristic I-V and photoconductivity measurements of the MNS are presented.
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关键词
silicon,carbon
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