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Particle mobility and metabasin exploration in model glass-formers.
(Elsevier Science, 2007-01)
In this work, we assess the relevance of different range particle displacements and string motions to the metabasin (MB) dynamics of a simple glass former. We find that MB transitions are triggered by the occurrence of ...
Prediction of good glass formers in the Al-Ni-La and Al-Ni-Gd systems using topological instability and electronegativity
(AMER INST PHYSICS, 2011)
A new criterion has been recently proposed combining the topological instability (lambda criterion) and the average electronegativity difference (Delta e) among the elements of an alloy to predict and select new glass-forming ...
Mechanistic view of the relaxation dynamics of a simple glass-former. A bridge between the topographic and the dynamic approaches
(Elsevier Science, 2004-07)
We provide a link between the two main approaches to the relaxation dynamics of glassy systems: The 'real dynamics' scheme and the inherent dynamics or topographic formalism. The first approach is based on molecular dynamics ...
Topological instability, average electronegativity difference and glass forming ability of amorphous alloys
(ELSEVIER SCI LTD, 2009)
In this paper, we report the remarkable agreement of the glass forming ability of binary alloys with a new criterion that combines the topological instability parameter (lambda) and the average electronegativity difference ...
Space and time dynamical heterogeneity in glassy relaxation. The role of democratic clusters
(IOP Publishing, 2009-05)
In this work we review recent computational advances in the understanding of the relaxation<br />dynamics of supercooled glass-forming liquids. In such a supercooled regime these systems<br />experience a striking dynamical ...
Thermodynamic and topological instability approaches for forecasting glass-forming ability in the ternary Al-Ni-Y system
(ELSEVIER SCIENCE SA, 2008)
A thermodynamic approach to predict bulk glass-forming compositions in binary metallic systems was recently proposed. In this approach. the parameter gamma* = Delta H-amor/(Delta H-inter - Delta H-amor) indicates the ...
Static and dynamic correlation lengths in supercooled polymers
(American Institute of Physics, 2019-05)
A key point to understand the glass transition is the relationship between structural and dynamic behavior experienced by a glass former when it approaches Tg. In this work, the relaxation in a simple bead-spring polymer ...
Advances in the study of supercooled water
(Springer, 2021-11-26)
In this review, we report recent progress in the field of supercooled water. Due to its uniqueness, water presents numerous anomalies with respect to most simple liquids, showing polyamorphism both in the liquid and in the ...