Deciphering a structural signature of glass dynamics by machine learning
The dynamics of atoms plays a key role in governing various dynamical and transport
properties of glasses. However, it remains elusive which structural features (if any) control …
properties of glasses. However, it remains elusive which structural features (if any) control …
Hidden spatiotemporal sequence in transition to shear band in amorphous solids
Localization of plastic flow into a narrow shear band is a fundamental and ubiquitous
nonequilibrium phenomenon in amorphous solids. Because of the intrinsic entangling of …
nonequilibrium phenomenon in amorphous solids. Because of the intrinsic entangling of …
Global memory from local hysteresis in an amorphous solid
A disordered material that cannot relax to equilibrium, such as an amorphous or glassy
solid, responds to deformation in a way that depends on its past. In experiments we train a …
solid, responds to deformation in a way that depends on its past. In experiments we train a …
Assessing the structural heterogeneity of supercooled liquids through community inference
J Paret, RL Jack, D Coslovich - The Journal of chemical physics, 2020 - pubs.aip.org
We present an information-theoretic approach inspired by distributional clustering to assess
the structural heterogeneity of particulate systems. Our method identifies communities of …
the structural heterogeneity of particulate systems. Our method identifies communities of …
Machine learning atomic-scale stiffness in metallic glass
ZH Peng, ZY Yang, YJ Wang - Extreme Mechanics Letters, 2021 - Elsevier
Due to lack of either translational or rotational symmetries at atomic-scale, predicting
properties of amorphous materials from static structure is a challenging task. To circumvent …
properties of amorphous materials from static structure is a challenging task. To circumvent …
Local symmetry predictors of mechanical stability in glasses
The mechanical properties of crystals are controlled by the translational symmetry of their
structures. But for glasses with a disordered structure, the link between the symmetry of local …
structures. But for glasses with a disordered structure, the link between the symmetry of local …
[HTML][HTML] Assessing the utility of structure in amorphous materials
This paper presents a set of general strategies for the analysis of structure in amorphous
materials and a general approach to assessing the utility of any selected structural …
materials and a general approach to assessing the utility of any selected structural …
[HTML][HTML] Effective subgrouping enhances machine learning prediction in complex materials science phenomena: Inoue's subgrouping in discovering bulk metallic …
Addressing complex materials science problems through machine learning (ML) is
challenging. A primary reason for the challenge is that the underlying controlling …
challenging. A primary reason for the challenge is that the underlying controlling …
Correlation between vibrational anomalies and emergent anharmonicity of the local potential energy landscape in metallic glasses
The boson peak (BP) is a universal feature in the Raman and inelastic scattering spectra of
both disordered and crystalline materials. Here, through a set of atomistically resolved …
both disordered and crystalline materials. Here, through a set of atomistically resolved …
[HTML][HTML] The brittle-to-ductile transition in aluminosilicate glasses is driven by topological and dynamical heterogeneity
Amorphous materials can exhibit varying degrees of nanoscale ductility depending on their
atomic structure. Despite its critical importance for applications, the physical origin that …
atomic structure. Despite its critical importance for applications, the physical origin that …