Metastable polymer adsorption dictates the dynamical gradients at interfaces

H Tian, C Bi, Z Li, C Wang, B Zuo - Macromolecules, 2023 - ACS Publications
Polymer adsorption proceeds through a wide variety of metastable states due to kinetic
constraints originating from the pinning of segments on solid interfaces, creating an …

Surface equilibration mechanism controls the stability of a model codeposited glass mixture of organic semiconductors

S Cheng, Y Lee, J Yu, L Yu… - The Journal of Physical …, 2023 - ACS Publications
While previous work has identified the conditions for preparing ultrastable single-component
organic glasses by physical vapor deposition (PVD), little is known about the stability of …

Surface mobility of amorphous indomethacin containing moisture and a surfactant: a concentration–temperature superposition principle

Y Li, J Yu, X Tan, L Yu - Molecular Pharmaceutics, 2022 - ACS Publications
An amorphous material can have vastly higher mobility on the surface than in the bulk and,
as a result, shows fast surface crystallization. Most amorphous materials contain multiple …

Measurement of the depth-dependent local dynamics in thin polymer films through rejuvenation of ultrastable glasses

S Karimi, J Yin, T Salez, JA Forrest - Communications Physics, 2024 - nature.com
The depth dependence of structural relaxation dynamics is a key part of understanding thin
glassy films. Despite this importance and decades of research, a method to provide this …

Surface Glass Transition Temperature Region of Diarylethene Films Determined by Nano‐Marangoni Effect

T Tsujioka, K Yamabayashi, K Kotani - Small, 2024 - Wiley Online Library
For the last two decades, research has addressed whether the glass transition temperature
and the molecular motions on the surface of organic films are significantly different from …

Effect of the nature of the solid substrate on spatially heterogeneous activated dynamics in glass forming supported films

AD Phan, KS Schweizer - The Journal of Chemical Physics, 2024 - pubs.aip.org
We extend the force-level elastically collective nonlinear Langevin equation theory to treat
the spatial gradients of the alpha relaxation time and glass transition temperature, and the …

[HTML][HTML] Slow dynamics in disordered materials across theory, experiments, and simulations

E Del Gado, A Liu, CP Royall - The Journal of Chemical Physics, 2023 - pubs.aip.org
In the past few years, novel theoretical and experimental developments have significantly
advanced our understanding of slow dynamics in viscous liquids, gels, glasses, and other …

[HTML][HTML] Experimental evidence for the presence of irreversibly adsorbed material in vapor deposited glasses

AB Unni, R Mroczka, J Kubacki… - Journal of Molecular …, 2022 - Elsevier
Vapor deposited glasses got wide scientific attention as they are remarkably stable and
dense materials with significant practical applications. In this work, we investigate the …

[图书][B] A study of amorphous materials: Surface dynamics, surface modification, and polyamorphism

Y Li - 2022 - search.proquest.com
The glass is a unique solid state with liquid-like spatial uniformity and crystal-like
mechanical strength. Different materials have been prepared into the glassy state for …