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首页> 外文期刊>Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites >Raman study of fractal voids in hot-pressed SiO2
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Raman study of fractal voids in hot-pressed SiO2

机译：拉曼研究热压SiO2中的分形空隙

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摘要

The sensitivity of the dynamic (vibrational) properties of fractal nanocracks in hot-pressed silica to the thermal and mechanical prehistory of the material was studied by low-frequency Raman scattering. Samples were prepared from gel-derived and fused powdery products. The Raman data demonstrate the fractality of elementary continuity defects. From the frequency dependence of the Raman intensity, the values of the fracton (spectral) dimension that reflects the mid-range order in glass, and the dimensions of fractals in real space were calculated. (C) 2001 Elsevier Science B.V. All rights reserved. [References: 24]
机译：通过低频拉曼散射研究了热压法二氧化硅中的分形纳米裂纹的动态（振动）特性对材料的热和机械前史的敏感性。从凝胶衍生和融合的粉末状产品制备样品。拉曼数据证明了基本连续性缺陷的分形性。根据拉曼强度的频率依赖性，计算出反映玻璃中频阶数的分形（光谱）维的值以及实际空间中的分形维。 （C）2001 Elsevier Science B.V.保留所有权利。 [参考：24]

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