This paper compares the shrinkage during pyrolysis of a gel precursor as thin film and as bulk sample. The hybrid silica gel, precursor for SiOC glasses, contains Si–CH3 and Si–H moieties. The shrinkage of bulk samples has been measured with conventional dilatometry. Shrinkage of thin films has been studied for the first time with in situ dilatometry allowing to measure the thickness and the refractive index during pyrolysis. Thin films shrink more compared to bulk samples and the pyrolytic transformation occurs at lower temperature (100–150 ◦C) compared to the bulk samples.
On the shrinkage during pyrolysis of thin films and bulk components: the case of a hybrid silica gel precursor for SiOC glasses / Sorarù, Gian Domenico; Karakuscu, Aylin; Boissiere, C.; Babonneau, F.. - In: JOURNAL OF THE EUROPEAN CERAMIC SOCIETY. - ISSN 0955-2219. - STAMPA. - 32(2012), pp. 627-632. [10.1016/j.jeurceramsoc.2011.10.004]
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Titolo: | On the shrinkage during pyrolysis of thin films and bulk components: the case of a hybrid silica gel precursor for SiOC glasses | |
Autori: | Sorarù, Gian Domenico; Karakuscu, Aylin; Boissiere, C.; Babonneau, F. | |
Autori Unitn: | ||
Titolo del periodico: | JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | |
Anno di pubblicazione: | 2012 | |
Codice identificativo Scopus: | 2-s2.0-82155166324 | |
Codice identificativo WOS: | WOS:000298972300013 | |
Digital Object Identifier (DOI): | http://dx.doi.org/10.1016/j.jeurceramsoc.2011.10.004 | |
Handle: | http://hdl.handle.net/11572/90487 | |
Citazione: | On the shrinkage during pyrolysis of thin films and bulk components: the case of a hybrid silica gel precursor for SiOC glasses / Sorarù, Gian Domenico; Karakuscu, Aylin; Boissiere, C.; Babonneau, F.. - In: JOURNAL OF THE EUROPEAN CERAMIC SOCIETY. - ISSN 0955-2219. - STAMPA. - 32(2012), pp. 627-632. [10.1016/j.jeurceramsoc.2011.10.004] | |
Appare nelle tipologie: | 03.1 Articolo su rivista (Journal article) |
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