DC pole | Wartość | Język |
dc.contributor.author | Wojnarowska, Żaneta | - |
dc.contributor.author | Paluch, Marian | - |
dc.date.accessioned | 2021-12-08T14:29:53Z | - |
dc.date.available | 2021-12-08T14:29:53Z | - |
dc.date.issued | 2021 | - |
dc.identifier.citation | "The Journal of Physical Chemistry Letters" (2021), iss. 0, s. 11779-11783 | pl_PL |
dc.identifier.issn | 1948-7185 | - |
dc.identifier.uri | http://hdl.handle.net/20.500.12128/22054 | - |
dc.description.abstract | Nonequilibrium processes, including physical aging, belong to the most
challenging phenomena of glassy dynamics. One of the fundamental problems that needs
clarification is the effect of material polarity on the time scale of the structural recovery of
glass. The importance of this issue arises from practical applications and recent findings
suggesting a substantial contribution of dipole−dipole interactions to the dielectric
permittivity spectra of polar glass-formers. Herein, we use dielectric spectroscopy to
investigate structural relaxation and aging dynamics of highly polar glass-former 4-[(4,4,5,5,5-
pentafluoropentoxy)methyl]-1,3-dioxolan-2-one (FPC), a derivative of propylene carbonate
with εs = 180 and μ = 5.1. We show that ε″(tage) data of FPC at Tage < Tg reveal complex
behavior resulting from considerable cross-correlation effects. Namely, two characteristic
aging time scales, reflecting the evolution of cross-correlation mode and generic structural
relaxation toward equilibrium, are obtained at a given Tage. Furthermore, a single stretched
exponential behavior of ε″(tage) has been received for weakly polar carvedilol with negligible
dipole−dipole interactions. | pl_PL |
dc.language.iso | en | pl_PL |
dc.rights | Uznanie autorstwa 3.0 Polska | * |
dc.rights.uri | http://creativecommons.org/licenses/by/3.0/pl/ | * |
dc.subject | Amorphous materials | pl_PL |
dc.subject | Polarity | pl_PL |
dc.subject | Insulators | pl_PL |
dc.subject | Liquids | pl_PL |
dc.subject | Physiology | pl_PL |
dc.title | Two-step aging of highly polar glass | pl_PL |
dc.type | info:eu-repo/semantics/article | pl_PL |
dc.identifier.doi | 10.1021/acs.jpclett.1c03572 | - |
Pojawia się w kolekcji: | Artykuły (WNŚiT)
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