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Recent experimental and theoretical investigations of crystal growth from solution in the vicinity of an impermeable wall have shown that: (i) growth can be maintained within the contact region when a liquid film is present between the…

软凝聚态物质 · 物理学 2019-03-27 Luca Gagliardi , Olivier Pierre-Louis

Using an interface displacement model derived from a microscopic density functional theory we investigate thin liquidlike wetting layers adsorbed on flat substrates with an embedded chemical heterogeneity forming a stripe. For a wide range…

软凝聚态物质 · 物理学 2009-10-31 C. Bauer , S. Dietrich , A. O. Parry

We investigate the growth of a film of some element B on a substrate made of another substrance A in a model of molecular beam epitaxy. A vertical exchange mechanism allows the A-atoms to stay on the growing surface with a certain…

统计力学 · 物理学 2009-11-10 Boris Bierwald , Michael von den Driesch , Zeno Farkas , Sang Bub Lee , Dietrich E. Wolf

The simulations of the solidification of ternary Al-Cu-Ni alloys by means of a general multi-phase-field model for an arbitrary number of phases reveal that the real microstructure can be generated by coupling the real thermodynamic…

材料科学 · 物理学 2013-07-15 J. Kundin , E. Pogorelov , H. Emmerich

The influence of miscibility and liquid wettability during droplet impact onto thin wall films is investigated experimentally. Despite similar liquid properties and impact conditions, differences in the splashing limit, the crown extension…

流体动力学 · 物理学 2021-02-03 R. Bernard , D. Baumgartner , G. Brenn , C. Planchette , B. Weigand , G. Lamanna

This paper investigates the conditions for the stability and emergence of patterns in a new three-component reaction-diffusion system. The system describes the coexistence and interaction of water reservoirs, vegetation, and bushfire…

偏微分方程分析 · 数学 2026-04-14 Serena Dipierro , Enrico Valdinoci

The necking instability is a precursor to tensile failure and rupture of materials. A quasistatically loaded free-standing uniaxial specimen typically exhibits necking at a single location, corresponding to a long wavelength bifurcation…

软凝聚态物质 · 物理学 2023-01-04 Jian Li , Hannah Varner , Tal Cohen

Helium implantation in epitaxial thin films is a way to control the out-of-plane deformation independently from the in-plane strain controlled by epitaxy. In particular, implantation by means of a helium microscope allows for local…

The release of hydrophilic solutes from micron scale particulate formulations can be understood as an interfacial transport problem in which diffusion across a heterogeneous amphiphilic coating competes with dissolution and convective…

软凝聚态物质 · 物理学 2026-01-01 Joonggwon Kim , Dogyun Byeon

A static variational model for shape formation in heteroepitaxial crystal growth is considered. The energy functional takes into account surface energy, elastic misfit-energy and nucleation energy of dislocations. A scaling law for the…

偏微分方程分析 · 数学 2024-03-21 Lukas Abel , Janusz Ginster , Barbara Zwicknagl

We present a multi-phase design parameterization to obtain optimized heterogeneous lattice structures. The 3D domain is discretized into a cubical grid wherein each cube has eight distinct unit cell types or phases. When all phases are…

材料科学 · 物理学 2021-03-04 Yash Agrawal , G. K. Ananthasuresh

In capillary-driven fluid dynamics, simple departures from equilibrium offer the chance to quantitatively model the resulting relaxations. These dynamics in turn provide insight on both practical and fundamental aspects of thin-film…

Via hydrodynamics preserving molecular dynamics simulations we study growth phenomena in a phase separating symmetric binary mixture model. We quench high-temperature homogeneous configurations to state points inside the miscibility gap,…

软凝聚态物质 · 物理学 2021-07-23 Koyel Das , Subir K. Das

Segregation of group-III elements during the molecular-beam epitaxy growth of III-V compounds leads to a non-abrupt interface. The composition asymmetry in the structures such as quantum wells, quantum dots, and superlattices, in turn,…

材料科学 · 物理学 2018-01-03 M. Arjomandi , P. Hosseinzadeh , S. Dadgostar , V. R. Yazdanpanah , S. Mirzakuchaki

Many processes in eukaryotic cells, including cell motility, rely on the growth of branched actin networks from surfaces. Despite its central role the mechano-chemical coupling mechanisms which guide the growth process are poorly…

软凝聚态物质 · 物理学 2015-06-23 Karin John , Denis Caillerie , Chaouqi Misbah

We present a continuum model for symmetry-breaking phase transformations in intercalation compounds, based on Ericksen's multi-well energy formulation. The model predicts the nucleation and growth of crystallographic microstructures in…

材料科学 · 物理学 2025-05-29 Delin Zhang , Ananya Renuka Balakrishna

Epitaxial growth of (La$_{1.48}$Nd$_{0.40}$Sr$_{0.12}$)CuO$_4$ thin films was studied by pulsed-laser deposition technique on three different substrates, SrTiO$_3$ (100), LaSrAlO$_4$ (001), and YAlO$_3$ (001). The (Nd,Sr,Ce)$_2$CuO$_4$-type…

超导电性 · 物理学 2016-08-31 I. Tsukada

During the growth of metal thin films on dielectric substrates at a given deposition temperature T, the film's morphology is conditioned by the magnitude and asymmetry of up- and downhill diffusion. Any severe change of this mechanism leads…

介观与纳米尺度物理 · 物理学 2013-04-17 Henning Galinski , Thomas Ryll , Philipp Reibisch , Lukas Schlagenhauf , Iwan Schenker , Ludwig J. Gauckler

Multiphase outflows, revealed by multi-wavelength observations, are crucial in redistributing gas and metals within and around galaxies. These outflows are often modelled theoretically using wind tunnel simulations of a cold ($\sim 10^4$ K)…

星系天体物理 · 物理学 2025-12-10 Alankar Dutta , Prateek Sharma , Max Gronke

Self-organization creates new order and shifts sub-boundaries while reorganizing energy and entropy within a control volume. This article examines pathway selection and tests whether maximizing the entropy generation rate can forecast…

材料科学 · 物理学 2026-03-10 J. A. Sekhar