Impact of nitrogen incorporation in ultrathin SiO 2 on the chemical and electronic structures of the SiO 2 /Si[100] interface
2001
We have studied the chemical modification of ultrathin SiO/sub 2/ thermally-grown on Si[100], which is caused by annealing in NH/sub 3/ ambient, by using infrared attenuated total reflection (IR-ATR), X-ray photoelectron spectroscopy (XPS) and total photoelectron yield spectroscopy (PYS). We find that nitrogen incorporation with a few atomic percent in thermally-grown SiO/sub 2/ is very effective in reducing the built-in compressive stress near the SiO/sub 2//Si[100] interface.
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