Function Of Aerogel Powder

In the research of fractal structure. As a controllable nanoporous material structure, silicon aerogel's apparent density depends on the scale size. In a certain scale range, its density often has scale invariance; that is, the density decreases with the increase of scale and has a self-similar structure. The structure in the study of dynamics of aerogel fractal structure also shows that there are three excitation regions with significantly different dispersion relations in different scales; they correspond to the excitation of phonon, fractal, and particle mode, respectively. Two orders of magnitude can change the correlation length of aerogels by changing the preparation conditions of aerogels. Therefore, silicon aerogels have become the best materials for studying fractal structures and their dynamic behavior.