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研究了球形纳米硅的振动特性及Raman谱,建立了Raman移动与尺寸的对应关系.用球形纳米硅来模拟多孔硅,发现多孔硅的尺寸比通常认为的尺度要小得多The vibrational properties of spherical nanocrystal Si were studied and the relation between the size and Raman shift was established. It was found that the size of porous Si, simulated by Si spheres, should be much smaller than commonly reported.
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