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To study martensitic phase transformation we use a micromechanical model based on statistical mechanics. Employing lattice Monte-Carlo simulations and realistic material properties for shape-memory alloys (SMA), we investigate the combined…

Twisted graphene layers exhibit extremely low friction for relative sliding. Nevertheless, previous studies suggest that the area contribution to friction for commensurate moir\'e systems is finite and might restrict macroscopic…

Mesoscale and Nanoscale Physics · Physics 2025-11-04 Irina V. Lebedeva , Andrey M. Popov , Yulia G. Polynskaya , Andrey A. Knizhnik , Sergey A. Vyrko , Nikolai A. Poklonski

One of the enticing features common to most of the two-dimensional electronic systems that are currently at the forefront of materials science research is the ability to easily introduce a combination of planar deformations and bending in…

Mesoscale and Nanoscale Physics · Physics 2014-09-29 Gareth Wyn Jones , Vitor M. Pereira

I revisit the well-known phase transition between the hexagonal skyrmion lattice and the homogeneous state within the phenomenological Dzyaloshinskii theory for chiral magnets which includes only the exchange, Dzyaloshinskii-Moriya and…

Mesoscale and Nanoscale Physics · Physics 2024-08-20 Andrey O. Leonov

In this paper we apply both the procedure of dimension reduction and the incorporation of structured deformations to a three-dimensional continuum in the form of a thinning domain. We apply the two processes one after the other, exchanging…

Optimization and Control · Mathematics 2017-12-07 Graça Carita , José Matias , Marco Morandotti , David R. Owen

We study numerically the minimum energy path and energy barriers for dislocation nucleation in a two-dimensional atomistic model of strained epitaxial layers on a substrate with lattice misfit. Stress relaxation processes from coherent to…

Materials Science · Physics 2009-11-07 O. Trushin , E. Granato , S. C. Ying , P. Salo , T. Ala-Nissila

We consider classical lattice models describing first-order phase transitions, and study the finite-size scaling of the magnetization and susceptibility. In order to model the effects of an actual surface in systems like small magnetic…

Condensed Matter · Physics 2009-10-28 C. Borgs , R. Kotecky

The electromagnetic energy equation is analyzed term by term in a 3D simulation of kinetic reconnection previously reported by \citet{vapirev2013formation}. The evolution presents the usual 2D-like topological structures caused by an…

Plasma Physics · Physics 2015-06-18 Giovanni Lapenta , Martin Goldman , David Newman , Stefano Markidis , Andrey Divin

The paper is devoted to the spectral analysis of effective preconditioners for linear systems obtained via a Finite Element approximation to diffusion-dominated convection-diffusion equations. We consider a model setting in which the…

Numerical Analysis · Mathematics 2012-09-12 Alessandro Russo , Stefano Serra Capizzano , Cristina Tablino Possio

In antiferromagnetically coupled superlattices grown on (001) faces of cubic substrates, e.g. based on materials combinations as Co/Cu, Fe/Si, Co/Cr, or Fe/Cr, the magnetic states evolve under competing influence of bilinear and biquadratic…

Condensed Matter · Physics 2009-11-10 U. K. Roessler , A. N. Bogdanov

Atomically thin films of layered chromium triiodide (CrI$_3$) have recently been regarded as suitable candidates to a wide spectrum of technologically relevant applications, mainly owing to the opportunity they offer to achieve a reversible…

Strongly Correlated Electrons · Physics 2020-05-01 Michele Pizzochero , Oleg V. Yazyev

As a new class of two-dimensional (2D) materials, 2D covalent organic frameworks (COFs) are proven to possess remarkable electronic and magnetic properties. However, their mechanical behaviours remain almost unexplored. In this work, taking…

Mesoscale and Nanoscale Physics · Physics 2018-12-26 Jin Zhang

Dislocation patterning and self-organization during plastic deformation are associated with work hardening, but the exact mechanisms remain elusive. This is partly because studies of the structure and local strain during the initial stages…

A quasistatic model for a horizontally loaded thin elastic composite at small strains is studied. The composite consists of two adjacent plates whose interface behaves in a cohesive fashion with respect to the slip of the two layers. We…

Analysis of PDEs · Mathematics 2023-03-13 Filippo Riva

We present a phase-field approximation of sharp-interface energies defined on partitions, designed for modeling grain boundaries in polycrystals. The independent variable takes values in the orthogonal group $\mathrm{O}(d)$ modulo a lattice…

Functional Analysis · Mathematics 2026-01-13 Sergio Conti , Vito Crismale , Adriana Garroni , Annalisa Malusa

Odd materials feature antisymmetric response to perturbations. This anomalous property can stem from the nonequilibrium activity of their components, which is sustained by an external energy supply. These materials open the door to…

Statistical Mechanics · Physics 2022-01-03 Étienne Fodor , Anton Souslov

The crumpling of a thin sheet can be understood as the condensation of elastic energy into a network of ridges which meet in vertices. Elastic energy condensation should occur in response to compressive strain in elastic objects of any…

Mathematical Physics · Physics 2009-11-07 B. A. DiDonna , S. C. Venkataramani , T. A. Witten , E. M. Kramer

The epitaxial synthesis of high-quality 2D layered materials is an essential driver of both fundamental physics studies and technological applications. Bi$_2$Se$_3$, a prototypical 2D layered topological insulator, is sensitive to defects…

Based on original investigations into the stages of nucleation and growth of martensite, a consideration has been given to dynamic models of formation of martensite plates with a fine structure of transformation twins, which are compatible…

Materials Science · Physics 2010-07-02 M. P. Kashchenko , V. G. Chashchina

Large scale two-dimensional (2D) moir\'e superlattices are driving a revolution in designer quantum materials. The electronic interactions in these superlattices, strongly dependent on the periodicity and symmetry of the moir\'e pattern,…

Mesoscale and Nanoscale Physics · Physics 2022-07-26 M. Kögl , P. Soubelet , M. Brotons-Gisbert , A. V. Stier , B. D. Gerardot , J. J. Finley
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