Using the BWA (Bertaut-Warren-Averbach) Method to Optimize the Technology of Crystalline Powders such as LiFePO4
Aleksandr Bobyl,
Oleg Konkov,
Mislimat Faradzheva
et al.
Abstract:The average sizes \ {\bar{L}}_{i\ } and their dispersion W_i along the i-th axis of crystallites in powders are used to determine the X-ray diffraction sizes, D_{i\ XRD}, averaged over crystallite columns within the BWA method. Numerical calculations have been carried out for an orthorhombic lattice of crystallites, such as LiFePO4, NMC, having Lamé's g-type superellipsoid shape. For Lognormal distributions, the analytical expression for the normalized coefficient Kn is found and includes two constant… Show more
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