Role of Anisotropy in Understanding the Molecular Grounds for Density Scaling in Dynamics of Glass-Forming Liquids

A Grzybowski, K Koperwas… - Reports on Progress in …, 2024 - iopscience.iop.org
Molecular Dynamics MD simulations of glass-forming liquids play a pivotal role in
uncovering the molecular nature of the liquid vitrification process. In particular, much focus …

Thermodynamic scaling of vibrational dynamics and relaxation

F Puosi, O Chulkin, S Bernini, S Capaccioli… - The Journal of …, 2016 - pubs.aip.org
We investigate by thorough molecular dynamics simulations the thermodynamic scaling (TS)
of a polymer melt. Two distinct models, with strong and weak virial-energy correlations, are …

Theoretical-experimental evaluation of rheological behavior of asphaltene solutions in toluene and p-xylene: Effect of the additional methyl group

I Moncayo-Riascos, E Taborda, BA Hoyos… - Journal of Molecular …, 2020 - Elsevier
This study is focused on understanding the effect of the additional methyl group (-CH 3) of p-
xylene, in comparison with toluene, on the rheological behavior of model solutions of …

General rules prospected for the liquid fragility in various material groups and different thermodynamic conditions

M Paluch, E Masiewicz, A Grzybowski… - The Journal of …, 2014 - pubs.aip.org
The fragility parameter has been acknowledged as one of the most important characteristics
of glass-forming liquids. We show that the mystery of the dramatic change in molecular …

Universality of density scaling

A Grzybowski, M Paluch - The Scaling of Relaxation Processes, 2018 - Springer
Investigations of the sought after complete and commonly accepted theory of the glass
transition and related phenomena have recently gained an essential support from a very …

Disentangling interatomic repulsion and anharmonicity in the viscosity and fragility of glasses

J Krausser, AE Lagogianni, K Samwer, A Zaccone - Physical Review B, 2017 - APS
Within the shoving model of the glass transition, the relaxation time and the viscosity are
related to the local cage rigidity. This approach can be extended down to the atomic level in …

Breakdown of the simple Arrhenius law in the normal liquid state

E Thoms, A Grzybowski, S Pawlus… - The Journal of Physical …, 2018 - ACS Publications
It is common practice to discuss the temperature effect on molecular dynamics of glass
formers above the melting temperature in terms of the Arrhenius law. Using dielectric …

Entropy Scaling of Molecular Dynamics in a Prototypical Anisotropic Model near the Glass Transition

K Liszka, A Grzybowski, K Grzybowska… - The Journal of …, 2023 - ACS Publications
Dynamics and thermodynamics of molecular systems in the vicinity of the boundary between
thermodynamically nonequilibrium glassy and metastable supercooled liquid states are still …

Thermodynamic scaling of relaxation: insights from anharmonic elasticity

S Bernini, F Puosi, D Leporini - Journal of Physics: Condensed …, 2017 - iopscience.iop.org
Using molecular dynamics simulations of a molecular liquid, we investigate the
thermodynamic scaling (TS) of the structural relaxation time ${{\tau} _ {\alpha}} $ in terms of …

The complex, non-monotonic thermal response of the volumetric space of simple liquids

M Chorążewski, A Grzybowski, M Paluch - … Chemistry Chemical Physics, 2014 - pubs.rsc.org
In this paper, an intricate effect of the isothermal compression of simple liquids on their
volumetric response is reported for α, ω-halogenoalkanes as examples. We apply an …