Three-dimensional structure of precipitated silica as determined by electron tomography

被引：0
|
作者：
Schneider, GJ [1 ]
Fink, SA [1 ]
Rachel, R [1 ]
Göritz, D [1 ]
机构：
[1] Univ Regensburg, Inst Phys, D-93053 Regensburg, Germany
来源：
KGK-KAUTSCHUK GUMMI KUNSTSTOFFE | 2005年 / 58卷 / 09期
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D O I：
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中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The three-dimensional structure of silica VN3 has been determined using electron tomography. A detailed investigation of a typical cluster is shown. The cluster is a sparsely packed, almost spherical symmetric object with a diameter of about 130 nm. Its basic units are primary particles, which are more or less spherical symmetric, with an average diameter of about 15 nm. A simple interpretation in terms of a model based on the theory of fractals reveals a mass fractal dimension of about 1.7 which coincides with the results of scattering experiments.
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页码：461 / 463
页数：3
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