Molecular mechanics of disordered solids
Disordered solids are ubiquitous in engineering and everyday use. Although research has
made considerable progress in the last decades, our understanding of the mechanics of …
made considerable progress in the last decades, our understanding of the mechanics of …
Topology of vibrational modes predicts plastic events in glasses
The plastic deformation of crystalline materials can be understood by considering their
structural defects such as disclinations and dislocations. Although also glasses are solids …
structural defects such as disclinations and dislocations. Although also glasses are solids …
Stochastic atomic acceleration during the X-ray-induced fluidization of a silica glass
The X-ray-induced, nonthermal fluidization of the prototypical SiO2 glass is investigated by X-
ray photon correlation spectroscopy in the small-angle scattering range. This process is …
ray photon correlation spectroscopy in the small-angle scattering range. This process is …
Predicting the failure of two-dimensional silica glasses
Being able to predict the failure of materials based on structural information is a fundamental
issue with enormous practical and industrial relevance for the monitoring of devices and …
issue with enormous practical and industrial relevance for the monitoring of devices and …
Universal low-frequency vibrational modes in silica glasses
It was recently shown that different simple models of glass formers with binary interactions
define a universality class in terms of the density of states of their quasilocalized low …
define a universality class in terms of the density of states of their quasilocalized low …
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 …
Discontinuous yielding of pristine micro-crystals
We study the mechanical response of a dislocation-free 2D crystal under homogenous
shear using a new mesoscopic approach to crystal plasticity, a Landau-type theory …
shear using a new mesoscopic approach to crystal plasticity, a Landau-type theory …
Quasilocalized modes in crystalline and partially crystalline high-entropy alloys
High entropy alloys (HEAs) are designed by mixing multiple metallic species in nearly the
same amount to obtain crystalline or amorphous materials with exceptional mechanical …
same amount to obtain crystalline or amorphous materials with exceptional mechanical …
Avalanches, clusters, and structural change in cyclically sheared silica glass
We investigate avalanches and clusters associated with plastic rearrangements and the
nature of structural change in the prototypical strong glass, silica, computationally. We …
nature of structural change in the prototypical strong glass, silica, computationally. We …
Data-driven classification of elementary rearrangement events in silica glass
Reliable classification and prediction of elementary rearrangement events is a crucial step
towards a profound understanding of the mechanical behavior of silica glass. Using various …
towards a profound understanding of the mechanical behavior of silica glass. Using various …