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 …

Glass transition phenomenon for conjugated polymers

Z Qian, Z Cao, L Galuska, S Zhang… - … Chemistry and Physics, 2019 - Wiley Online Library
Conjugated polymers are emerging as promising building blocks for a broad range of
modern applications including skin‐like electronics, wearable optoelectronics, and sensory …

[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 …

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 …

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 …

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 …

Glass transition temperature of poly (d, l-lactic acid) of different molar mass

R Zhang, F Du, K Jariyavidyanont, E Zhuravlev… - Thermochimica …, 2022 - Elsevier
To evaluate the glass transition of poly (d, l-lactic acid) s (PDLLA), three PDLLA grades of
different molar mass were analyzed by fast scanning calorimetry (FSC), on cooling at rates …

Direct calorimetric observation of the rigid amorphous fraction in a semiconducting polymer

J Martin, N Stingelin, D Cangialosi - The Journal of Physical …, 2018 - ACS Publications
The performance of polymeric semiconductors is profoundly affected by the thermodynamic
state of its crystalline and amorphous fractions and how they affect the optoelectronic …

Twofold facet of kinetics of glass aging

V Di Lisio, LA Rocchi, D Cangialosi - Physical Review Letters, 2024 - APS
We employ fast scanning calorimetry to monitor the isothermal aging kinetics in glassy
polymers, complemented with measurements on other glasses. Apart from following the time …