Electron spin resonance studies on buried oxide silicon‐on‐insulator
摘要:
Electron spin resonance is used to study defects in high‐dose oxygen‐ion implanted Si substrates. By this implantation, a crystalline Si/buried SiO2/crystalline Si structure is created. Two kinds of defect centers are found; one is assigned to the amorphous center, and the other, thePb0center, which has been observed at thermally grown SiO2/(111) Si interfaces. The observedPb0center appears to exist near precipitated SiO2/crystalline Si interfaces, rather than crystalline Si/buried SiO2interfaces. When annealed at 1150°C, spin density decreases due to oxygen outdiffusion from the crystalline Si.
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关键词:
Buried interfaces Crystal defects Electron paramagnetic resonance spectroscopy Amorphous semiconductors Annealing
DOI:
10.1063/1.98221
被引量:
年份:
1987
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