The effect of hydrogen implantation in silicon single crystals is studied using high-resolution x-ray scattering. Large strains normal to the sample surface are evidenced after implantation. A simple and direct procedure to extract the strain profile from the scattering data is described. A comparison between different crystallographic orientation of the implanted silicon surface is then presented, namely, for < 100 >, < 110 >, and < 111 > orientations, showing a dependence that can be related to bond orientation. Effect of annealing on the stressed structure is finally described. (c) 2006 American Institute of Physics.
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