Abstract
Giving a clear and widely accepted definition in chemistry and physics is always a pretty difficult task, especially because the frontier of science is continuously moving. Time is a good friend for science because knowledge accumulates and allows getting a wider and deeper understanding of nature; however, it is also more complicated organizing what are sometimes only fragments of a big puzzle. Definitions also have a historical development, and they are modified according to the new knowledge or simply with a change of perspective. This short book is dedicated to the sol to gel transition in oxides, and therefore the first mandatory step is a clear understanding of what a gel and a sol are.
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Innocenzi, P. (2019). A Sol and a Gel, What Are They?. In: The Sol-to-Gel Transition. SpringerBriefs in Materials. Springer, Cham. https://doi.org/10.1007/978-3-030-20030-5_1
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DOI: https://doi.org/10.1007/978-3-030-20030-5_1
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