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Nuclear reaction analysis of hydrogen in the buried SiO2 layer of Si/SiO2/Si structures

机译:Si / SiO2 / Si结构的SiO2埋层中氢的核反应分析

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摘要

The concentration of hydrogen introduced by a heat treatment into the buried oxide (BOX) layer of Si/SiO2/Si structures (SIMOX and unibond) was determined by nuclear reaction technique. The areal density of H atoms is of the order of 10(14)/cm(2), regardless whether the top Si layer was removed or not. This value is much less than the reported density of mobile protons in these structures prepared in a similar manner. Thus, it is unlikely that the increased density of mobile protons near the edges of patterned top Si layer is due to the enhanced diffusion of H atoms there. (C) 2001 Elsevier Science B.V. All rights reserved. [References: 5]
机译:通过核反应技术确定通过热处理引入到Si / SiO2 / Si结构(SIMOX和单键)的掩埋氧化物(BOX)层中的氢浓度。 H原子的面密度约为10(14)/ cm(2),无论是否去除了顶层Si层。该值远小于以类似方式制备的这些结构中所报道的移动质子的密度。因此,不太可能在图案化的顶部Si层的边缘附近增加移动质子的密度是由于H原子在此处的扩散增强。 (C)2001 Elsevier Science B.V.保留所有权利。 [参考:5]

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