Chaotic discrete breathers in bcc lattice

ID Kolesnikov, SA Shcherbinin, YV Bebikhov… - Chaos, Solitons & …, 2024 - Elsevier
It is well known that a modulationally unstable short-wavelength delocalized nonlinear
vibrational mode (DNVM) can create chaotic discrete breathers (DBs) in a nonlinear lattice …

An approach to evaluate the accuracy of interatomic potentials as applied to tungsten

IV Kosarev, SA Shcherbinin, AA Kistanov… - Computational Materials …, 2024 - Elsevier
Molecular dynamics (MD) is a powerful tool for modeling structural transformations in
metallic materials under irradiation, severe plastic deformation, laser processing, etc. The …

Collisions of kinks in deformed φ4 and φ6 models

AM Marjaneh, FC Simas, D Bazeia - Chaos, Solitons & Fractals, 2022 - Elsevier
Two hyperbolic-deformed field theoretic models are discussed. In both of them, due to the
effect of specific deformation function on the well known φ 4 and φ 6 models, their internal …

Supersonic voidions in 2D Morse lattice

IA Shepelev, SV Dmitriev, AA Kudreyko… - Chaos, Solitons & …, 2020 - Elsevier
Dynamics of M× 1-crowdion clusters (M= 1, 2 or 3) and vacancy clusters is analyzed in 2D
triangular lattice with Morse interactions. Topological defects are created in the lattice by …

Shock waves in graphene and boron nitride

IA Shepelev, AP Chetverikov, SV Dmitriev… - Computational Materials …, 2020 - Elsevier
Layered materials composed of weakly bonded rigid layers are of interest in modern
material science since they exhibit new mechanisms of deformation when compressed …

Low-energy channel for mass transfer in Pt crystal initiated by molecule impact

RI Babicheva, I Evazzade, EA Korznikova… - Computational Materials …, 2019 - Elsevier
Crystal surface bombardment by atoms or molecules, neutral or ionized, occurs both in
ambient conditions and in many technological operations, such as surface plasma …

Interaction of edge dislocations with voids in tungsten

A Kazakov, RI Babicheva, A Zinovev, D Terentyev… - Tungsten, 2024 - Springer
Tungsten is widely used as a material capable of withstanding extreme operating conditions
and is one of the candidates for use in fusion and Generation IV fission reactors. Atomistic …

[HTML][HTML] Supersonic crowdion clusters in 2D Morse lattice

IA Shepelev, EA Korznikova, DV Bachurin… - Physics Letters A, 2020 - Elsevier
For the first time, the class of simple N-crowdions is expanded to M× N-crowdions, dynamics
of which is investigated in two-dimensional triangular Morse lattice by means of molecular …

Ab initio study of the propagation of a supersonic 2-crowdion in fcc Al

EA Korznikova, VV Shunaev, IA Shepelev… - Computational Materials …, 2022 - Elsevier
A crowdion is an interstitial atom embedded in a close-packed atomic row of a crystal lattice,
it is very mobile and efficient in transferring energy and mass during plastic deformation, ion …

Highly efficient energy and mass transfer in bcc metals by supersonic 2-crowdions

IA Shepelev, DV Bachurin, EA Korznikova… - Journal of Nuclear …, 2022 - Elsevier
During irradiation, bombardment with energetic particles, or plasma treatment, structural
transformations occur in materials, in which point defects play a very important role. Highly …