期刊
JOURNAL OF APPLIED CRYSTALLOGRAPHY
卷 44, 期 -, 页码 545-557出版社
WILEY-BLACKWELL
DOI: 10.1107/S0021889811011691
关键词
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资金
- Scientific User Facilities Division, Office of Basic Energy Sciences, US Department of Energy
- US Department of Energy through Office of Basic Energy Sciences, Division of Material Science and Engineering [DE-FG02-09ER46279]
The single-particle small-angle scattering properties of five Platonic solids, including the tetrahedron, hexahedron, octahedron, dodecahedron and icosahedron, are systematically investigated. For each given geometry, the Debye spatial autocorrelation function, pair distance distribution function and intraparticle structure factor (form factor) are calculated and compared with the corresponding scattering function of a spherical reference system. From the theoretical models, the empirical relationship between the dodecahedral and icosahedral structural characteristics and those of the equivalent spheres is found. Moreover, the single-particle scattering properties of icosahedral and spherical shells with identical volume are investigated, and the prospect of using different data analysis approaches to explore their structural differences is presented and discussed.
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