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. Author manuscript; available in PMC: 2013 Feb 12.
Published in final edited form as: Langmuir. 2011 Apr 13;27(10):6358–6367. doi: 10.1021/la200546g

Figure 8.

Figure 8

(a) Evolution of the effective fractal dimension is shown for DLCA aggregates undergoing sintering and consisting of 64–512 primary particles. Initially, all aggregates are becoming more open as the branches straighten. (b) Temporal evolution of the effective fractal dimension Df for initially DLCA (Df = 1.79), DLA (Df = 2.25), and BPCA (Df = 2.73) agglomerates consisting of 256 primary particles. The DLCA aggregates are more elongated and take more time to reach both the minimum in Df and full coalescence. Equation 22 describes the structural changes during viscous sintering independent of the number of particles N (a) or the initial Df (b). The results (a and b) are averaged over 50 different aggregates of each size/structure and the error bars represent the range of the standard deviation.