Crystallization in thin films of polymer glasses: The role of free surfaces, solid interfaces and their competition

Y Yang, H Tian, S Napolitano, B Zuo - Progress in Polymer Science, 2023 - Elsevier
Polymer coatings of nanometric thickness are about to enter in everyday life as part of a
wide range of applications such as protective layers, stimuli-responsive membranes or as …

[HTML][HTML] Ultrastable glasses: new perspectives for an old problem

C Rodriguez-Tinoco, M Gonzalez-Silveira… - La Rivista del Nuovo …, 2022 - Springer
Ultrastable glasses (mostly prepared from the vapor phase under optimized deposition
conditions) represent a unique class of materials with low enthalpies and high kinetic …

Fast equilibration mechanisms in disordered materials mediated by slow liquid dynamics

Z Song, C Rodríguez-Tinoco, A Mathew… - Science advances, 2022 - science.org
The rate at which a nonequilibrium system decreases its free energy is commonly ascribed
to molecular relaxation processes, arising from spontaneous rearrangements at the …

[HTML][HTML] Physical aging in molecular glasses beyond the α relaxation

V Di Lisio, VM Stavropoulou… - The Journal of Chemical …, 2023 - pubs.aip.org
The description of kinetics of physical aging, namely the slow evolution of a glass
thermodynamic state toward equilibrium, generally relies on the exclusive role of the main α …

Enthalpy-entropy compensation in the slow Arrhenius process

E Thoms, S Napolitano - The Journal of Chemical Physics, 2023 - pubs.aip.org
The Meyer–Neldel compensation law, observed in a wide variety of chemical reactions and
other thermally activated processes, provides a proportionality between the entropic and the …

Vitrification decoupling from α-relaxation in a metallic glass

X Monnier, D Cangialosi, B Ruta, R Busch… - Science advances, 2020 - science.org
Understanding how glasses form, the so-called vitrification, remains a major challenge in
materials science. Here, we study vitrification kinetics, in terms of the limiting fictive …

[HTML][HTML] Surface dynamics of glasses

H Tian, Q Xu, H Zhang, RD Priestley, B Zuo - Applied Physics Reviews, 2022 - pubs.aip.org
Two challenging scientific disciplines, ie, the physics of glasses [Anderson, Science 267,
1615 (1995); Kennedy and Norman, Science 309, 75 (2005)] and interface chemistry …

Effect of phase separation and crystallization on enthalpy relaxation in thermoplastic polyurethane

H Wang, L Zhang, KWE Peh, Q Yu, Y Lu, W Hua… - …, 2022 - ACS Publications
Being composed of alternating soft segments and hard segments, thermoplastic
polyurethane (TPU) always displays complicated thermal behaviors on the heating scans …

[HTML][HTML] Size-dependent vitrification in metallic glasses

V Di Lisio, I Gallino, SS Riegler, M Frey… - Nature …, 2023 - nature.com
Reducing the sample size can profoundly impact properties of bulk metallic glasses. Here,
we systematically reduce the length scale of Au and Pt-based metallic glasses and study …

The slow Arrhenius process in small organic molecules

F Caporaletti, S Napolitano - Physical Chemistry Chemical Physics, 2024 - pubs.rsc.org
Equilibration, the complex set of molecular rearrangements leading to more stable states, is
usually dominated by density fluctuations, occurring through the structural (α-) relaxation …