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dc.contributor.authorRodriguez-Tinoco, Cristian-
dc.contributor.authorRams-Baron, Marzena-
dc.contributor.authorNgai, K. L.-
dc.contributor.authorJurkiewicz, Karolina-
dc.contributor.authorRodriguez-Viejoc, Javier-
dc.contributor.authorPaluch, Marian-
dc.identifier.citationPhysical Chemistry Chemical Physics, 2018, iss. 6, s. 3939-3945pl_PL
dc.description.abstractSecondary relaxations are fundamental for their impact in the properties of glasses and for their inseparable connection to the structural relaxation. Understanding their density dependence and aging behavior is key to fully address the nature of glasses. Ultrastable glasses establish a new benchmark to study the characteristics of secondary relaxations, since their enthalpy and density levels are unattainable by other routes. Here, we use dielectric spectroscopy at ambient and elevated pressures to study the characteristics of the secondary relaxation in ultrastable etoricoxib, reporting a 71% decrease in dielectric strength and one decade increase in relaxation time compared to the ordinary glass. Interestingly, we find an unprecedented connection between secondary and structural relaxations in ultrastable etoricoxib in exactly the same manner as in the ordinary glass, manifested through different properties, such as aging and devitrification. These results further support and extend the general validity of the connection between the secondary and structural relaxation.pl_PL
dc.rightsUznanie autorstwa 3.0 Polska*
dc.subjectstable glassespl_PL
dc.subjectVapor depositionpl_PL
dc.titleSecondary relaxation in ultrastable etoricoxib : evidence of correlation with structural relaxationpl_PL
dc.relation.journalPhysical Chemistry Chemical Physicspl_PL
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