期刊
JOURNAL OF CHEMICAL SCIENCES
卷 118, 期 1, 页码 127-133出版社
INDIAN ACAD SCIENCES
DOI: 10.1007/BF02708774
关键词
layered double hydroxides; pyroaurite; structural disorder; stacking faults; turbostraticity; interstratification; polytypes
Layered hydroxides crystallize in a hexagonal structure and incorporate a number of different types of structural disorders as an exigency of anisotropic bonding. Structural disorder contributes to the non-uniform broadening of lines in the powder X-ray diffraction pattern. Common among the disorders are stacking faults, which broaden the h0l/0kl reflections. Interstratification selectively broadens the 00l reflections and turbostratic disorder broadens the 0kl reflections. The line broadening caused by structural disorder has to be discounted before estimates of particle size are made by applying the Scherrer formula.
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